{"id":42337,"date":"2025-06-22T04:35:58","date_gmt":"2025-06-21T19:35:58","guid":{"rendered":"https:\/\/jouhou.main.jp\/?p=42337"},"modified":"2026-01-23T14:37:32","modified_gmt":"2026-01-23T05:37:32","slug":"linux-eio-5-%e5%af%be%e7%ad%96%ef%bc%9ai-o-%e3%82%a8%e3%83%a9%e3%83%bc%e7%99%ba%e7%94%9f%e6%99%82%e3%81%ae%e3%83%8f%e3%83%bc%e3%83%89%e3%82%a6%e3%82%a7%e3%82%a2%e8%a8%ba%e6%96%ad%e3%81%a8%e3%83%87","status":"publish","type":"post","link":"https:\/\/jouhou.main.jp\/?p=42337","title":{"rendered":"Linux EIO (5) \u5bfe\u7b56\uff1aI\/O \u30a8\u30e9\u30fc\u767a\u751f\u6642\u306e\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u8a3a\u65ad\u3068\u30c7\u30fc\u30bf\u5fa9\u65e7\u7de8"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"42337\" class=\"elementor elementor-42337\" data-elementor-settings=\"[]\">\n\t\t\t\t\t\t\t<div class=\"elementor-section-wrap\">\n\t\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-06528f5 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"06528f5\" data-element_type=\"section\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-2c1175f\" data-id=\"2c1175f\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-a588791 elementor-widget elementor-widget-html\" data-id=\"a588791\" data-element_type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<section style=\"max-width:100%; box-sizing:border-box; overflow:visible; font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Hiragino Kaku Gothic ProN','Hiragino Sans','Noto Sans JP','Yu Gothic',Meiryo,Arial,sans-serif; line-height:1.6; color:#111827; overflow-wrap:anywhere;\"> <div style=\"max-width:100%; box-sizing:border-box; overflow:visible; border:1px solid #e5e7eb; border-radius:3px; padding:16px; background:#ffffff;\"> <div style=\"max-width:100%; box-sizing:border-box; overflow:visible; display:flex; gap:10px; align-items:flex-start;\"> <div style=\"max-width:100%; box-sizing:border-box; overflow:visible; flex:0 0 auto;\"> <span style=\"max-width:100%; box-sizing:border-box; overflow:visible; display:inline-block; padding:4px 10px; border-radius:3px; background:#f3f4f6; color:#111827; font-size:12px; font-weight:700; letter-spacing:0.02em; overflow-wrap:anywhere;\">\u6700\u77ed\u30c1\u30a7\u30c3\u30af<\/span> <\/div> <div style=\"max-width:100%; box-sizing:border-box; overflow:visible; flex:1 1 auto;\"> <div style=\"max-width:100%; box-sizing:border-box; overflow:visible;\"> <h2 style=\"max-width:100%; overflow-wrap:anywhere; margin:0; font-size:18px; line-height:1.35; font-weight:800;\">EIO (I\/O \u30a8\u30e9\u30fc) \u306f\u300c\u307e\u305a\u8aad\u3080\u30fb\u89e6\u3089\u306a\u3044\u300d\u304c\u8fd1\u9053<\/h2> <p style=\"max-width:100%; overflow-wrap:anywhere; margin:6px 0 0 0; font-size:13px; color:#374151;\">\u5a92\u4f53\u52a3\u5316\u30fb\u30b1\u30fc\u30d6\u30eb\u30fb\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306a\u3069\u304c\u7d61\u3080\u3053\u3068\u304c\u591a\u3044\u75c7\u72b6\u3067\u3059\u3002\u78ba\u8a8d\u306f\u77ed\u304f\u3001\u5909\u66f4\u306f\u6700\u5c0f\u306b\u3057\u3066\u3001\u307e\u305a\u306f\u72b6\u6cc1\u628a\u63e1\u304b\u3089\u9032\u3081\u307e\u3059\u3002<\/p> <\/div> <\/div> <\/div>\n<div style=\"max-width:100%; box-sizing:border-box; overflow:visible; margin-top:14px; border:1px solid #e5e7eb; border-radius:3px; padding:14px; background:#ffffff;\">\n  <h3 style=\"max-width:100%; overflow-wrap:anywhere; margin:0 0 8px 0; font-size:15px; font-weight:800;\">\n    <span style=\"max-width:100%; box-sizing:border-box; overflow:visible; display:inline-block; padding:2px 8px; border-radius:3px; background:#dc2626; color:#ffffff; font-size:13px; font-weight:900; overflow-wrap:anywhere;\">1<\/span>\n    <span style=\"max-width:100%; overflow-wrap:anywhere;\"> 30\u79d2\u3067\u539f\u56e0\u3092\u7d5e\u308b<\/span>\n  <\/h3>\n  <p style=\"max-width:100%; overflow-wrap:anywhere; margin:0 0 10px 0; font-size:13px; color:#374151;\">\u3069\u306e\u30e6\u30fc\u30b6\u30fc\u3067\u3001\u3069\u306e\u30d1\u30b9\u3067\u3001\u3069\u3053\u307e\u3067\u5230\u9054\u3067\u304d\u308b\u304b\u3060\u3051\u78ba\u8a8d\u3057\u307e\u3059\uff08\u3053\u3053\u3067\u7121\u7406\u306b\u76f4\u3055\u306a\u3044\uff09\u3002<\/p>\n  <pre style=\"max-width:100%; box-sizing:border-box; overflow:visible; margin:0; padding:12px; border-radius:3px; background:#111827; color:#ffffff; border:1px solid #374151; font-size:12px; line-height:1.55; white-space:pre-wrap; overflow-wrap:anywhere; word-break:break-word;\">id\n\n\nnamei -l \/\u554f\u984c\u306e\u30d1\u30b9\/\u3053\u3053\u307e\u3067\u5230\u9054\u3067\u304d\u308b\u304b\nls -ld \/\u5bfe\u8c61\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\nls -l \/\u5bfe\u8c61\u30d5\u30a1\u30a4\u30eb<\/pre>\n<\/div>\n\n<div style=\"max-width:100%; box-sizing:border-box; overflow:visible; margin-top:12px; border:1px solid #e5e7eb; border-radius:3px; padding:14px; background:#ffffff;\">\n  <h3 style=\"max-width:100%; overflow-wrap:anywhere; margin:0 0 8px 0; font-size:15px; font-weight:800;\">\n    <span style=\"max-width:100%; box-sizing:border-box; overflow:visible; display:inline-block; padding:2px 8px; border-radius:3px; background:#16a34a; color:#ffffff; font-size:13px; font-weight:900; overflow-wrap:anywhere;\">2<\/span>\n    <span style=\"max-width:100%; overflow-wrap:anywhere;\"> \u75c7\u72b6\u5225\uff1a\u3044\u307e\u306e\u5931\u6557\u306b\u5408\u3046\u6700\u77ed\u30b3\u30de\u30f3\u30c9<\/span>\n  <\/h3>\n  <p style=\"max-width:100%; overflow-wrap:anywhere; margin:0 0 10px 0; font-size:13px; color:#374151;\">EIO \u304c\u300c\u8aad\u3080\/\u66f8\u304f\/\u5b9f\u884c\/\u63a2\u7d22\u300d\u306e\u3069\u308c\u3067\u51fa\u3066\u3044\u308b\u304b\u3067\u3001\u898b\u308b\u3079\u304d\u30ed\u30b0\u3068\u6b21\u306e\u4e00\u624b\u304c\u5909\u308f\u308a\u307e\u3059\u3002<\/p>\n  <pre style=\"max-width:100%; box-sizing:border-box; overflow:visible; margin:0; padding:12px; border-radius:3px; background:#111827; color:#ffffff; border:1px solid #374151; font-size:12px; line-height:1.55; white-space:pre-wrap; overflow-wrap:anywhere; word-break:break-word;\"># 1) \u8aad\u307f\u53d6\u308a\u3067 EIO\uff08cp \/ tar \/ cat \/ dd \u306a\u3069\uff09\n\n\ndmesg -T | tail -n 200\njournalctl -k -b --no-pager | tail -n 200\nsmartctl -a \/dev\/sdX\n\n2) \u66f8\u304d\u8fbc\u307f\u3067 EIO\uff08\u4fdd\u5b58\/\u66f4\u65b0\u3067\u5931\u6557\u3001\u6025\u306b read-only \u306b\u306a\u308b\u7b49\uff09\n\nmount | grep -E ' \/ |\/\u5bfe\u8c61\u30de\u30a6\u30f3\u30c8'\nfindmnt -T \/\u5bfe\u8c61\u30d1\u30b9\ndmesg -T | tail -n 200\n\n3) \u5b9f\u884c\u3067 EIO\uff08\u30d0\u30a4\u30ca\u30ea\u5b9f\u884c\u30fb\u30b9\u30af\u30ea\u30d7\u30c8\u8d77\u52d5\u3067\u843d\u3061\u308b\uff09\n\nfile \/\u5bfe\u8c61\u30b3\u30de\u30f3\u30c9\nldd \/\u5bfe\u8c61\u30b3\u30de\u30f3\u30c9 2>\/dev\/null | head\ndmesg -T | tail -n 200\n\n4) \u63a2\u7d22\u3067 EIO\uff08ls\/find \u3067\u6b62\u307e\u308b\u3001\u7279\u5b9a\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3067\u56fa\u307e\u308b\uff09\n\nls -la \/\u5bfe\u8c61\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\ngetfacl -p \/\u5bfe\u8c61\u30c7\u30a3\u30ec\u30af\u30c8\u30ea 2>\/dev\/null | head -n 80\nstrace -f -o \/tmp\/eio.trace -tt -T ls -la \/\u5bfe\u8c61\u30c7\u30a3\u30ec\u30af\u30c8\u30ea<\/pre>\n<\/div>\n\n<div style=\"max-width:100%; box-sizing:border-box; overflow:visible; margin-top:12px; border:1px solid #e5e7eb; border-radius:3px; padding:14px; background:#ffffff;\">\n  <h3 style=\"max-width:100%; overflow-wrap:anywhere; margin:0 0 8px 0; font-size:15px; font-weight:800;\">\n    <span style=\"max-width:100%; box-sizing:border-box; overflow:visible; display:inline-block; padding:2px 8px; border-radius:3px; background:#2563eb; color:#ffffff; font-size:13px; font-weight:900; overflow-wrap:anywhere;\">3<\/span>\n    <span style=\"max-width:100%; overflow-wrap:anywhere;\"> \u76f4\u3059\u524d\u306b\uff1a\u5f71\u97ff\u7bc4\u56f2\u30921\u5206\u3067\u78ba\u8a8d\uff08\u3084\u308a\u904e\u304e\u9632\u6b62\uff09<\/span>\n  <\/h3>\n  <p style=\"max-width:100%; overflow-wrap:anywhere; margin:0 0 10px 0; font-size:13px; color:#374151;\">\u5171\u6709\u30fb\u672c\u756a\u30fb\u76e3\u67fb\u304c\u7d61\u3080\u3068\u3001\u6a29\u9650\u3084\u8a2d\u5b9a\u306e\u5909\u66f4\u304c\u4e8c\u6b21\u969c\u5bb3\u306b\u306a\u308a\u3084\u3059\u3044\u3067\u3059\u3002\u307e\u305a\u300c\u3069\u3053\u304c\u5f71\u97ff\u7bc4\u56f2\u304b\u300d\u3092\u77ed\u6642\u9593\u3067\u63b4\u307f\u307e\u3059\u3002<\/p>\n  <pre style=\"max-width:100%; box-sizing:border-box; overflow:visible; margin:0; padding:12px; border-radius:3px; background:#111827; color:#ffffff; border:1px solid #374151; font-size:12px; line-height:1.55; white-space:pre-wrap; overflow-wrap:anywhere; word-break:break-word;\"># \u5bfe\u8c61\u304c\u3069\u306e\u30c7\u30d0\u30a4\u30b9\/FS\/\u30de\u30a6\u30f3\u30c8\u306b\u7d10\u3065\u304f\u304b\n\n\nfindmnt -T \/\u5bfe\u8c61\u30d1\u30b9\ndf -T \/\u5bfe\u8c61\u30d1\u30b9\nlsblk -o NAME,RO,TYPE,FSTYPE,SIZE,MOUNTPOINT,MODEL,SERIAL\n\n\u3069\u306e\u30d7\u30ed\u30bb\u30b9\u304c\u63b4\u3093\u3067\u3044\u308b\u304b\uff08\u6b62\u3081\u308b\u5224\u65ad\u306e\u6750\u6599\uff09\n\nlsof +D \/\u5bfe\u8c61\u30c7\u30a3\u30ec\u30af\u30c8\u30ea 2>\/dev\/null | head -n 30\nfuser -vm \/\u5bfe\u8c61\u30de\u30a6\u30f3\u30c8 2>\/dev\/null | head -n 30\n\n\u5171\u6709\/NFS\/\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8981\u56e0\u306e\u5f53\u305f\u308a\u3092\u4ed8\u3051\u308b\n\nmount | grep -E 'nfs|cifs|fuse|\/\u5bfe\u8c61\u30de\u30a6\u30f3\u30c8'\nnfsstat -m 2>\/dev\/null | head -n 80<\/pre>\n<\/div>\n\n<div style=\"max-width:100%; box-sizing:border-box; overflow:visible; margin-top:12px; border:1px solid #fed7aa; border-radius:3px; padding:14px; background:#fff7ed;\">\n  <h3 style=\"max-width:100%; overflow-wrap:anywhere; margin:0 0 8px 0; font-size:15px; font-weight:900; color:#9a3412;\">\u5931\u6557\u3059\u308b\u3068\u3069\u3046\u306a\u308b\uff1f\uff08\u3084\u308a\u304c\u3061\u306a\u30df\u30b9\u3068\u8d77\u3053\u308a\u5f97\u308b\u7d50\u679c\uff09<\/h3>\n  <ul style=\"max-width:100%; box-sizing:border-box; overflow:visible; margin:0; padding:0 0 0 18px;\">\n    <li style=\"max-width:100%; overflow-wrap:anywhere; margin:6px 0; font-size:13px; color:#7c2d12;\">\u6a29\u9650\u3092\u5e83\u3052\u3059\u304e\u308b \u2192 \u60c5\u5831\u6f0f\u3048\u3044\/\u6539\u3056\u3093<\/li>\n    <li style=\"max-width:100%; overflow-wrap:anywhere; margin:6px 0; font-size:13px; color:#7c2d12;\">\u6240\u6709\u8005\u3092\u5909\u3048\u3059\u304e\u308b \u2192 \u4e8c\u6b21\u969c\u5bb3\uff08\u505c\u6b62\u30fb\u30a8\u30e9\u30fc\u9023\u9396\uff09<\/li>\n    <li style=\"max-width:100%; overflow-wrap:anywhere; margin:6px 0; font-size:13px; color:#7c2d12;\">ACL\/\u4fdd\u8b77\u8a2d\u5b9a\u3092\u7121\u9020\u4f5c\u306b\u5916\u3059 \u2192 \u76e3\u67fb\u6307\u6458\/\u518d\u767a\/\u8ffd\u8de1\u4e0d\u80fd<\/li>\n    <li style=\"max-width:100%; overflow-wrap:anywhere; margin:6px 0; font-size:13px; color:#7c2d12;\">\u5171\u6709\/NFS\/\u30b3\u30f3\u30c6\u30ca\u5883\u754c\u306e\u898b\u843d\u3068\u3057 \u2192 \u5fa9\u65e7\u9577\u671f\u5316<\/li>\n  <\/ul>\n<\/div>\n\n<div style=\"max-width:100%; box-sizing:border-box; overflow:visible; margin-top:12px; border:1px solid #e5e7eb; border-radius:3px; padding:14px; background:#ffffff;\">\n  <h3 style=\"max-width:100%; overflow-wrap:anywhere; margin:0 0 8px 0; font-size:15px; font-weight:900;\">\u8ff7\u3063\u305f\u3089\uff1a\u7121\u6599\u3067\u76f8\u8ac7\u3067\u304d\u307e\u3059<\/h3>\n  <div style=\"max-width:100%; box-sizing:border-box; overflow:visible; margin:0 0 10px 0;\">\n    <div style=\"max-width:100%; overflow-wrap:anywhere; font-size:12px; color:#374151; margin:0;\">\n      \u30fb\u5171\u6709\u30b9\u30c8\u30ec\u30fc\u30b8\u3001\u30b3\u30f3\u30c6\u30ca\u3001\u672c\u756a\u30c7\u30fc\u30bf\u3001\u76e3\u67fb\u8981\u4ef6\u304c\u7d61\u3080\u5834\u5408\u306f\u3001\u7121\u7406\u306b\u6a29\u9650\u3092\u89e6\u308b\u524d\u306b\u76f8\u8ac7\u3059\u308b\u3068\u65e9\u304f\u53ce\u675f\u3057\u3084\u3059\u3044\u3067\u3059\u3002<br\/>\n      \u30fbdmesg \u306b I\/O error \u304c\u5897\u3048\u308b\u306e\u306b\u3001\u3069\u3053\u304b\u3089\u5d29\u308c\u3066\u3044\u308b\u304b\u5207\u308a\u5206\u3051\u3067\u304d\u306a\u3044\u3002<br\/>\n      \u30fbSMART \u304c\u8aad\u3081\u306a\u3044\/\u7570\u5e38\u5024\u304c\u51fa\u305f\u304c\u3001\u6b62\u3081\u3069\u304d\u306e\u5224\u65ad\u3067\u8ff7\u3063\u305f\u3089\u3002<br\/>\n      \u30fb\u8aad\u307f\u53d6\u308a\u304c\u9045\u3044\/\u56fa\u307e\u308b\u306e\u3067\u3001\u30af\u30ed\u30fc\u30f3\u512a\u5148\u306b\u5207\u308a\u66ff\u3048\u308b\u3079\u304d\u304b\u8ff7\u3063\u305f\u3089\u3002<br\/>\n      \u30fbNFS\/CIFS\/\u4eee\u60f3\u30c7\u30a3\u30b9\u30af\u7d4c\u7531\u3067 EIO \u304c\u51fa\u3066\u3001\u5883\u754c\u306e\u8a3a\u65ad\u304c\u3067\u304d\u306a\u3044\u3002<br\/>\n      \u30fbRAID\/\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\/\u30b1\u30fc\u30d6\u30eb\u306e\u53ef\u80fd\u6027\u304c\u3042\u308a\u3001\u4ea4\u63db\u524d\u306b\u3084\u308b\u9806\u756a\u3067\u8ff7\u3063\u305f\u3089\u3002<br\/>\n      \u30fb\u5fa9\u65e7\u7528\u306e\u4fdd\u5b58\u5148\u5bb9\u91cf\u3084\u624b\u9806\uff08\u30ed\u30b0\u53d6\u308a\uff09\u3092\u3069\u3046\u7d44\u3080\u304b\u306e\u8a3a\u65ad\u304c\u3067\u304d\u306a\u3044\u3002<br\/>\n      \u30fb\u76e3\u67fb\u3084\u8a3c\u8de1\u304c\u5fc5\u8981\u3067\u3001\u30ed\u30b0\u4fdd\u5168\u3068\u5fa9\u65e7\u3092\u4e21\u7acb\u3067\u304d\u308b\u304b\u8ff7\u3063\u305f\u3089\u3002\n    <\/div>\n  <\/div>\n\n  <p style=\"max-width:100%; overflow-wrap:anywhere; margin:0 0 10px 0; font-size:13px; color:#374151;\"><strong>\u60c5\u5831\u5de5\u5b66\u7814\u7a76\u6240<\/strong>\u3078\u7121\u6599\u76f8\u8ac7<\/p>\n\n  <div style=\"max-width:100%; box-sizing:border-box; overflow:visible; display:flex; gap:10px; flex-wrap:wrap;\">\n    <a href=\"https:\/\/jouhou.main.jp\/?page_id=26983\" style=\"max-width:100%; overflow-wrap:anywhere; display:inline-block; text-decoration:none; padding:10px 12px; border-radius:3px; background:#2563eb; color:#ffffff; font-weight:800; font-size:13px; box-sizing:border-box;\">\u7121\u6599\u76f8\u8ac7\u30d5\u30a9\u30fc\u30e0<\/a>\n    <a href=\"tel:0120838831\" style=\"max-width:100%; overflow-wrap:anywhere; display:inline-block; text-decoration:none; padding:10px 12px; border-radius:3px; background:#1e3a8a; color:#ffffff; font-weight:800; font-size:13px; box-sizing:border-box;\">\u96fb\u8a71\u3067\u76f8\u8ac7\uff080120-838-831\uff09<\/a>\n    <a href=\"tel:0434224240\" style=\"max-width:100%; overflow-wrap:anywhere; display:inline-block; text-decoration:none; padding:10px 12px; border-radius:3px; background:#0b1f4b; color:#ffffff; font-weight:800; font-size:13px; box-sizing:border-box;\">\u6280\u8853\u8005\u76f4\u901a\uff08043-422-4240\uff09<\/a>\n  <\/div>\n\n  <p style=\"max-width:100%; overflow-wrap:anywhere; margin:12px 0 0 0; font-size:19.5px; font-weight:900; color:#111827;\">\u6839\u672c\u7684\u306a\u89e3\u6c7a\u3068BCP\u5bfe\u7b56\u306f\u4ee5\u4e0b\u672c\u6587\u3078\u3002<\/p>\n<\/div>\n\n<\/div> <\/section>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-5158869 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5158869\" data-element_type=\"section\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-3e94e68\" data-id=\"3e94e68\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1b5b5ce elementor-widget elementor-widget-html\" data-id=\"1b5b5ce\" data-element_type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<div style=\"margin:0; padding:30pt; background-color:#EEEEEE;\"> <p style=\"margin:0 0 8px 0; font-size:1.2em;\"><strong>\u3082\u304f\u3058<\/strong><\/p> <ul style=\"list-style-type:none; padding-left:0; margin:0;\"> <li style=\"margin:40px 0;\"><a href=\"#sec01\">\u7b2c1\u7ae0\uff1aEIO\u306f\u300c\u539f\u56e0\u300d\u3067\u306f\u306a\u304f\u300c\u75c7\u72b6\u300d\u2500\u2500\u307e\u305a\u5b88\u308b\u3079\u304d\u4e00\u6b21\u5bfe\u5fdc\u306e\u9244\u5247<\/a><\/li> <li style=\"margin:40px 0;\"><a href=\"#sec02\">\u7b2c2\u7ae0\uff1a\u3084\u3063\u3066\u306f\u3044\u3051\u306a\u3044\u521d\u52d5\u2500\u2500fsck\uff0f\u518d\u8d77\u52d5\uff0f\u518d\u30de\u30a6\u30f3\u30c8\u304c\u5730\u96f7\u306b\u306a\u308b\u7406\u7531<\/a><\/li> <li style=\"margin:40px 0;\"><a href=\"#sec03\">\u7b2c3\u7ae0\uff1admesg\u30fbjournalctl\u3067\u8aad\u3080I\/O\u5931\u6557\u70b9\u2500\u2500\u3069\u306e\u5c64\u3067\u843d\u3061\u3066\u3044\u308b\u304b\u3092\u7279\u5b9a\u3059\u308b<\/a><\/li> <li style=\"margin:40px 0;\"><a href=\"#sec04\">\u7b2c4\u7ae0\uff1aSMART\u306e\u8aad\u307f\u65b9\u3092\u201c\u8a3a\u65ad\u201d\u306b\u3059\u308b\u2500\u2500\u518d\u5272\u5f53\u30fbUNC\u30fb\u6e29\u5ea6\u30fb\u30a8\u30e9\u30fc\u5c65\u6b74\u306e\u89e3\u91c8<\/a><\/li> <li style=\"margin:40px 0;\"><a href=\"#sec05\">\u7b2c5\u7ae0\uff1a\u30b1\u30fc\u30d6\u30eb\uff0f\u30dd\u30fc\u30c8\uff0f\u96fb\u6e90\uff0fHBA\u306e\u843d\u3068\u3057\u7a74\u2500\u2500\u300c\u30c7\u30a3\u30b9\u30af\u4ee5\u5916\u300d\u304c\u72af\u4eba\u306e\u30b1\u30fc\u30b9<\/a><\/li> <li style=\"margin:40px 0;\"><a href=\"#sec06\">\u7b2c6\u7ae0\uff1a\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u8996\u70b9\u306e\u5207\u308a\u5206\u3051\u2500\u2500ext4\uff0fXFS\u3068\u30b8\u30e3\u30fc\u30ca\u30eb\u304c\u898b\u305b\u308b\u9055\u3044<\/a><\/li> <li style=\"margin:40px 0;\"><a href=\"#sec07\">\u7b2c7\u7ae0\uff1a\u5f71\u97ff\u7bc4\u56f2\u3092\u5b9a\u91cf\u5316\u3059\u308b\u2500\u2500\u8aad\u307f\u53d6\u308a\u691c\u8a3c\u3067\u300c\u9032\u884c\u4e2d\u969c\u5bb3\u300d\u3092\u898b\u629c\u304f<\/a><\/li> <li style=\"margin:40px 0;\"><a href=\"#sec08\">\u7b2c8\u7ae0\uff1a\u5fa9\u65e7\u306e\u4f0f\u7dda\u306f\u201c\u4fdd\u5168\u201d\u306b\u3042\u308b\u2500\u2500\u30a4\u30e1\u30fc\u30b8\u53d6\u5f97\uff08ddrescue\u7b49\uff09\u3092\u5148\u306b\u3084\u308b\u8a2d\u8a08<\/a><\/li> <li style=\"margin:40px 0;\"><a href=\"#sec09\">\u7b2c9\u7ae0\uff1aRAID\uff0fLVM\uff0f\u4eee\u60f3\u5316\u3067\u8907\u96d1\u5316\u3059\u308bEIO\u2500\u2500\u518d\u69cb\u7bc9\u3088\u308a\u5148\u306b\u78ba\u8a8d\u3059\u3079\u304d\u4f9d\u5b58\u95a2\u4fc2<\/a><\/li> <li style=\"margin:40px 0;\"><a href=\"#sec10\">\u7b2c10\u7ae0\uff1a\u5e30\u7d50\uff1aEIO\u5bfe\u5fdc\u306f\u300c\u4ea4\u63db\u300d\u3067\u7d42\u308f\u3089\u306a\u3044\u2500\u2500\u518d\u767a\u9632\u6b62\u3068\u5fa9\u65e7\u8a08\u753b\u3092\u30b3\u30fc\u30c9\u5316\u3059\u308b<\/a><\/li> <\/ul> <\/div>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-3f19106 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3f19106\" data-element_type=\"section\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-87ef30c\" data-id=\"87ef30c\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1f3f074 elementor-widget elementor-widget-html\" data-id=\"1f3f074\" data-element_type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<p><strong>\u3010\u6ce8\u610f\u3011\u672c\u8a18\u4e8b\u306f\u3001Linux\u306b\u304a\u3051\u308bEIO\uff08Input\/output error\uff09\u767a\u751f\u6642\u306e\u4e00\u822c\u7684\u306a\u8003\u3048\u65b9\u3068\u624b\u9806\u3092\u6574\u7406\u3057\u305f\u60c5\u5831\u63d0\u4f9b\u3067\u3059\u3002\u5b9f\u74b0\u5883\u3067\u306f\u6a5f\u5668\u69cb\u6210\u30fb\u8ca0\u8377\u30fbRAID\/\u4eee\u60f3\u5316\u30fb\u904b\u7528\u8981\u4ef6\u306b\u3088\u3063\u3066\u6700\u9069\u89e3\u304c\u5909\u308f\u308a\u307e\u3059\u3002\u91cd\u8981\u30c7\u30fc\u30bf\u3092\u6271\u3046\u5834\u5408\u3084\u969c\u5bb3\u304c\u9032\u884c\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u5834\u5408\u306f\u3001\u5224\u65ad\u3092\u8aa4\u308b\u3068\u5fa9\u65e7\u96e3\u6613\u5ea6\u304c\u4e0a\u304c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u500b\u5225\u6848\u4ef6\u306e\u5207\u308a\u5206\u3051\u30fb\u5fa9\u65e7\u65b9\u91dd\u306e\u8a2d\u8a08\u30fb\u4f5c\u696d\u624b\u9806\u306e\u5b89\u5168\u5316\u306b\u3064\u3044\u3066\u306f\u3001\u682a\u5f0f\u4f1a\u793e\u60c5\u5831\u5de5\u5b66\u7814\u7a76\u6240\u306e\u3088\u3046\u306a\u5c02\u9580\u5bb6\u3078\u306e\u76f8\u8ac7\u3092\u3054\u691c\u8a0e\u304f\u3060\u3055\u3044\u3002<\/strong><\/p>\r\n\r\n\r\n<a id=\"sec01\"><\/a>\r\n\r\n<p>\u3000<\/p> <h2 style=\"font-size:1.2em; font-weight:bold; text-decoration:underline;\">\u7b2c1\u7ae0\uff1aEIO\u306f\u300c\u539f\u56e0\u300d\u3067\u306f\u306a\u304f\u300c\u75c7\u72b6\u300d\u2500\u2500\u307e\u305a\u3084\u308b\u3079\u304d\u201c\u88ab\u5bb3\u6700\u5c0f\u5316\u201d\u306e\u4e00\u6b21\u5bfe\u5fdc<\/h2> <p>\u73fe\u5834\u3067 EIO\uff08errno=5\uff09\u304c\u51fa\u305f\u77ac\u9593\u3001\u982d\u306e\u4e2d\u3063\u3066\u3053\u3046\u306a\u308a\u307e\u305b\u3093\u304b\u3002<\/p> <p>\u300c\u3048\u3001\u30c7\u30a3\u30b9\u30af\u6b7b\u3093\u3060\uff1f \u3067\u3082\u4eca\u591c\u306e\u30d0\u30c3\u30c1\u2026\u6b62\u3081\u3089\u308c\u306a\u3044\u2026\u300d\u300c\u3068\u308a\u3042\u3048\u305a\u518d\u8d77\u52d5\u3067\u76f4\u308b\u3084\u3064\uff1f\u2026\u3044\u3084\u3001\u76f4\u3063\u305f\u3068\u3057\u3066\u3082\u201c\u4f55\u304c\u8d77\u304d\u305f\u304b\u201d\u304c\u5206\u304b\u3089\u306a\u3044\u306e\u304c\u4e00\u756a\u6016\u3044\u300d<\/p> <p>\u3053\u306e\u30e2\u30e4\u30e2\u30e4\u306f\u81ea\u7136\u3067\u3059\u3002\u306a\u305c\u306a\u3089 EIO \u306f\u201c\u539f\u56e0\u540d\u201d\u3067\u306f\u306a\u304f\u3001\u201cI\/O \u304c\u6210\u7acb\u3057\u306a\u304b\u3063\u305f\u201d\u3068\u3044\u3046\u75c7\u72b6\u306e\u30e9\u30d9\u30eb\u3060\u304b\u3089\u3067\u3059\u3002\u30a2\u30d7\u30ea\u5c64\u304b\u3089\u898b\u308b\u3068\u300c\u8aad\u307f\u66f8\u304d\u3067\u304d\u306a\u3044\u300d\u3068\u3044\u3046\u4e00\u70b9\u306b\u898b\u3048\u307e\u3059\u304c\u3001\u5b9f\u969b\u306b\u306f\u30b9\u30c8\u30ec\u30fc\u30b8\u306e\u7269\u7406\u5c64\u3001\u30b1\u30fc\u30d6\u30eb\u3001\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u3001\u30c9\u30e9\u30a4\u30d0\u3001\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u3001RAID\u3001\u4eee\u60f3\u5316\u57fa\u76e4\u306a\u3069\u8907\u6570\u306e\u5c64\u3067\u767a\u751f\u3057\u5f97\u307e\u3059\u3002\u3053\u3053\u3067\u6700\u521d\u306b\u72d9\u3046\u3079\u304d\u30b4\u30fc\u30eb\u306f\u3001\u6b63\u89e3\u306e\u65ad\u5b9a\u3067\u306f\u306a\u304f<strong>\u300c\u3053\u308c\u4ee5\u4e0a\u72b6\u6cc1\u3092\u60aa\u5316\u3055\u305b\u306a\u3044\u300d<\/strong>\u3053\u3068\u3001\u3064\u307e\u308a\u30c0\u30e1\u30fc\u30b8\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3067\u3059\u3002<\/p> <hr> <h3>\u307e\u305a\u5b88\u308b\u201c3\u3064\u306e\u539f\u5247\u201d<\/h3> <p>EIO\u304c\u51fa\u305f\u3089\u3001\u4e00\u6b21\u5bfe\u5fdc\u306f\u6b21\u306e3\u3064\u306b\u96c6\u7d04\u3055\u308c\u307e\u3059\u3002\u6d3e\u624b\u3055\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u3053\u306e3\u3064\u3092\u5b88\u308c\u308b\u304b\u3069\u3046\u304b\u3067\u5fa9\u65e7\u30eb\u30fc\u30c8\u304c\u5909\u308f\u308a\u307e\u3059\u3002<\/p> <ul> <li><strong>\u66f8\u304d\u8fbc\u307f\u3092\u5897\u3084\u3055\u306a\u3044<\/strong>\uff1a\u539f\u56e0\u304c\u7269\u7406\u969c\u5bb3\u30fb\u30e1\u30c7\u30a3\u30a2\u52a3\u5316\u30fb\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u4e0d\u8abf\u306e\u5834\u5408\u3001\u8ffd\u52a0\u66f8\u304d\u8fbc\u307f\u306f\u75c7\u72b6\u3092\u52a0\u901f\u3055\u305b\u307e\u3059\u3002<\/li> <li><strong>\u8a3c\u62e0\uff08\u30ed\u30b0\u3068\u72b6\u614b\uff09\u3092\u6b8b\u3059<\/strong>\uff1a\u3042\u3068\u3067\u300c\u3044\u3064\u300d\u300c\u3069\u3053\u3067\u300d\u300c\u3069\u306e\u5c64\u304c\u300d\u5d29\u308c\u305f\u304b\u3092\u8fbf\u308c\u306a\u3044\u3068\u3001\u518d\u767a\u9632\u6b62\u3082\u5fa9\u65e7\u3082\u30d6\u30ec\u307e\u3059\u3002<\/li> <li><strong>\u5207\u308a\u5206\u3051\u306f\u201c\u5b89\u5168\u5074\u201d\u306b\u5012\u3059<\/strong>\uff1a\u4e0d\u78ba\u5b9f\u306a\u3089\u3001\u307e\u305a\u4fdd\u5168\uff08\u30a4\u30e1\u30fc\u30b8\u53d6\u5f97\uff09\u3092\u512a\u5148\u3067\u304d\u308b\u8a2d\u8a08\u306b\u5bc4\u305b\u307e\u3059\u3002<\/li> <\/ul> <p>\u300c\u3067\u3082\u3001\u73fe\u5834\u306f\u6b62\u3081\u3089\u308c\u306a\u3044\u3093\u3060\u3088\u2026\u300d\u3068\u3044\u3046\u58f0\u3082\u5206\u304b\u308a\u307e\u3059\u3002\u3060\u304b\u3089\u3053\u305d\u201c\u6b62\u3081\u308b\/\u6b62\u3081\u306a\u3044\u201d\u306e\u4e8c\u629e\u3067\u306f\u306a\u304f\u3001<strong>\u30ea\u30b9\u30af\u3092\u4e0b\u3052\u308b\u9806\u756a<\/strong>\u3067\u8003\u3048\u307e\u3059\u3002<\/p> <h3>\u6700\u521d\u306b\u3084\u308b\u30c1\u30a7\u30c3\u30af\uff1a\u5f71\u97ff\u7bc4\u56f2\u3068\u201c\u4eca\u3082\u9032\u884c\u3057\u3066\u3044\u308b\u304b\u201d<\/h3> <p>\u540c\u3058EIO\u3067\u3082\u3001\u5358\u767a\u306e\u8aad\u307f\u53d6\u308a\u5931\u6557\u3068\u3001\u9023\u9396\u7684\u306b\u5931\u6557\u304c\u5897\u3048\u3066\u3044\u308b\u30b1\u30fc\u30b9\u3067\u306f\u7dca\u6025\u5ea6\u304c\u9055\u3044\u307e\u3059\u3002\u3053\u3053\u3067\u91cd\u8981\u306a\u306e\u306f\u300c\u969c\u5bb3\u304c\u9032\u884c\u4e2d\u304b\u3069\u3046\u304b\u300d\u3092\u65e9\u3081\u306b\u898b\u6975\u3081\u308b\u3053\u3068\u3067\u3059\u3002<\/p> <table style=\"border-collapse:collapse; width:100%;\"> <tr> <th style=\"background-color:#eeeeee; border:1px solid #999; padding:6px;\">\u89b3\u70b9<\/th> <th style=\"background-color:#eeeeee; border:1px solid #999; padding:6px;\">\u9032\u884c\u3057\u3066\u3044\u306a\u3044\u53ef\u80fd\u6027<\/th> <th style=\"background-color:#eeeeee; border:1px solid #999; padding:6px;\">\u9032\u884c\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027<\/th> <\/tr> <tr> <td style=\"background-color:#eeeeee; border:1px solid #999; padding:6px;\">\u767a\u751f\u983b\u5ea6<\/td> <td style=\"border:1px solid #999; padding:6px;\">\u9650\u5b9a\u7684\u30fb\u518d\u73fe\u3057\u306b\u304f\u3044<\/td> <td style=\"border:1px solid #999; padding:6px;\">\u77ed\u6642\u9593\u3067\u5897\u3048\u308b\uff0f\u518d\u73fe\u6027\u304c\u9ad8\u3044<\/td> <\/tr> <tr> <td style=\"background-color:#eeeeee; border:1px solid #999; padding:6px;\">\u30ed\u30b0\u306e\u50be\u5411<\/td> <td style=\"border:1px solid #999; padding:6px;\">\u5358\u767a\u306e\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u7b49<\/td> <td style=\"border:1px solid #999; padding:6px;\">reset\u3001I\/O error\u304c\u9023\u767a\u3001\u30ea\u30f3\u30af\u4e0d\u5b89\u5b9a<\/td> <\/tr> <tr> <td style=\"background-color:#eeeeee; border:1px solid #999; padding:6px;\">\u30a2\u30d7\u30ea\u5f71\u97ff<\/td> <td style=\"border:1px solid #999; padding:6px;\">\u7279\u5b9a\u51e6\u7406\u3060\u3051\u5931\u6557<\/td> <td style=\"border:1px solid #999; padding:6px;\">\u5e83\u7bc4\u56f2\u3067\u8aad\u307f\u66f8\u304d\u4e0d\u80fd\u3001\u9045\u5ef6\u304c\u6025\u5897<\/td> <\/tr> <\/table> <p>\u3053\u306e\u6bb5\u968e\u3067\u306f\u201c\u65ad\u5b9a\u201d\u306f\u3057\u307e\u305b\u3093\u3002\u4ee3\u308f\u308a\u306b\u3001\u6b21\u7ae0\u4ee5\u964d\u3067\u4f7f\u3046\u305f\u3081\u306e\u4f0f\u7dda\u3068\u3057\u3066\u3001<strong>\u30ed\u30b0\u306e\u63a1\u53d6\u3068\u4f5c\u696d\u65b9\u91dd\u306e\u512a\u5148\u5ea6<\/strong>\u3092\u56fa\u3081\u307e\u3059\u3002<\/p> <h3>\u30ed\u30b0\u63a1\u53d6\u306e\u6700\u4f4e\u30e9\u30a4\u30f3\uff1a\u3042\u3068\u304b\u3089\u518d\u73fe\u3067\u304d\u308b\u5f62\u306b\u3059\u308b<\/h3> <p>\u300c\u30ed\u30b0\u306f\u5f8c\u3067\u898b\u308b\u300d\u3068\u8a00\u3063\u3066\u3044\u308b\u3068\u3001\u518d\u8d77\u52d5\u3084\u81ea\u52d5\u56de\u5fa9\u3067\u72b6\u6cc1\u304c\u5909\u308f\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002\u6700\u4f4e\u9650\u3001\u6b21\u306e\u60c5\u5831\u306f\u65e9\u3081\u306b\u78ba\u4fdd\u3057\u3066\u304a\u304f\u3068\u3001\u5207\u308a\u5206\u3051\u306e\u30b9\u30d4\u30fc\u30c9\u304c\u4e0a\u304c\u308a\u307e\u3059\u3002<\/p> <ul> <li>\u76f4\u8fd1\u306e\u30ab\u30fc\u30cd\u30eb\u30ed\u30b0\uff08dmesg\u76f8\u5f53\uff09<\/li> <li>systemd\u74b0\u5883\u306a\u3089 journalctl \u306e\u8a72\u5f53\u671f\u9593<\/li> <li>\u3069\u306e\u30c7\u30d0\u30a4\u30b9\uff08\/dev\/sdX \u7b49\uff09\u3068\u30de\u30a6\u30f3\u30c8\u30dd\u30a4\u30f3\u30c8\u304c\u95a2\u9023\u3057\u3066\u3044\u308b\u304b<\/li> <li>RAID\/LVM\/\u6697\u53f7\u5316\/\u4eee\u60f3\u30c7\u30a3\u30b9\u30af\u306e\u6709\u7121\uff08\u201c\u5c64\u201d\u306e\u628a\u63e1\uff09<\/li> <\/ul> <p>\u3053\u3053\u3067\u306e\u30dd\u30a4\u30f3\u30c8\u306f\u300c\u8ab0\u304c\u898b\u3066\u3082\u8ffd\u3048\u308b\u5f62\u300d\u306b\u3057\u3066\u304a\u304f\u3053\u3068\u3067\u3059\u3002\u5c5e\u4eba\u5316\u3057\u3066\u3044\u308b\u3068\u3001\u5f15\u304d\u7d99\u304e\u6642\u306b\u5224\u65ad\u304c\u30d6\u30ec\u3066\u3001\u4f59\u8a08\u306a\u64cd\u4f5c\uff08\u4e0d\u8981\u306afsck\u3084\u518d\u69cb\u7bc9\uff09\u306b\u5bc4\u308a\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p> <hr> <h3>\u3053\u306e\u7ae0\u306e\u307e\u3068\u3081\uff1aEIO\u5bfe\u5fdc\u306e\u201c\u52dd\u3061\u7b4b\u201d\u306f\u3001\u6700\u521d\u306e10\u5206\u3067\u6c7a\u307e\u308b<\/h3> <p>EIO\u306f\u6016\u3044\u3067\u3059\u304c\u3001\u6016\u3055\u306e\u6b63\u4f53\u306f\u300c\u75c7\u72b6\u304c\u540c\u3058\u3067\u3082\u539f\u56e0\u304c\u9055\u3046\u300d\u3053\u3068\u3067\u3059\u3002\u3060\u304b\u3089\u6700\u521d\u306f\u201c\u6b63\u89e3\u63a2\u3057\u201d\u3088\u308a\u3001\u88ab\u5bb3\u6700\u5c0f\u5316\u3068\u8a3c\u62e0\u306e\u78ba\u4fdd\u3092\u512a\u5148\u3057\u307e\u3059\u3002\u6b21\u7ae0\u3067\u306f\u3001\u73fe\u5834\u3067\u3084\u308a\u304c\u3061\u306a\u521d\u52d5\uff08\u518d\u8d77\u52d5\u3001fsck\u3001\u518d\u30de\u30a6\u30f3\u30c8\u306a\u3069\uff09\u304c\u306a\u305c\u5730\u96f7\u306b\u306a\u308a\u5f97\u308b\u306e\u304b\u3092\u3001\u6280\u8853\u7684\u306b\u6574\u7406\u3057\u307e\u3059\u3002<\/p> \r\n\r\n<a id=\"sec02\"><\/a>\r\n\r\n<p>\u3000<\/p> <h2 style=\"font-size:1.2em; font-weight:bold; text-decoration:underline;\">\u7b2c2\u7ae0\uff1a\u3084\u3063\u3066\u306f\u3044\u3051\u306a\u3044\u521d\u52d5\u2500\u2500fsck\uff0f\u518d\u8d77\u52d5\uff0f\u518d\u30de\u30a6\u30f3\u30c8\u304c\u201c\u6b6f\u6b62\u3081\u201d\u306b\u306a\u3089\u306a\u3044\u7406\u7531<\/h2> <p>EIO\u304c\u51fa\u305f\u76f4\u5f8c\u3001\u73fe\u5834\u3067\u3088\u304f\u8d77\u304d\u308b\u4f1a\u8a71\u304c\u3042\u308a\u307e\u3059\u3002<\/p> <p>\u300c\u3068\u308a\u3042\u3048\u305a\u518d\u8d77\u52d5\u3057\u3088\u3046\u3002\u76f4\u308b\u3053\u3068\u3042\u308b\u3057\u300d\u300cfsck\u56de\u305b\u3070\u6574\u5408\u6027\u53d6\u308c\u3066\u623b\u308b\u306e\u3067\u306f\uff1f\u300d\u300c\u30de\u30a6\u30f3\u30c8\u3057\u76f4\u3057\u305f\u3089\u3044\u3051\u308b\u304b\u3082\u300d<\/p> <p>\u3053\u306e\u5224\u65ad\u3001\u8cac\u3081\u3089\u308c\u308b\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u5e73\u6642\u306e\u904b\u7528\u3067\u306f\u3001\u78ba\u304b\u306b\u201c\u518d\u8d77\u52d5\u3067\u76f4\u308b\u4e0d\u8abf\u201d\u3082\u3042\u308a\u307e\u3059\u3002\u305f\u3060\u3057\u3001EIO\u304c\u7d61\u3080\u30b1\u30fc\u30b9\u3067\u306f\u3001\u3053\u308c\u3089\u304c<strong>\u201c\u53ce\u675f\u201d\u3067\u306f\u306a\u304f\u60aa\u5316<\/strong>\u306b\u5411\u304b\u3046\u3053\u3068\u304c\u3042\u308b\u3002\u3053\u3053\u3092\u51b7\u9759\u306b\u5206\u89e3\u3057\u307e\u3059\u3002<\/p> <hr> <h3>\u518d\u8d77\u52d5\u304c\u5371\u967a\u306b\u306a\u308a\u5f97\u308b\u30d1\u30bf\u30fc\u30f3<\/h3> <p>\u518d\u8d77\u52d5\u306f\u300c\u72b6\u614b\u3092\u521d\u671f\u5316\u3057\u3066\u5fa9\u5e30\u3059\u308b\u300d\u624b\u6bb5\u3067\u3059\u304c\u3001\u30b9\u30c8\u30ec\u30fc\u30b8\u969c\u5bb3\u3067\u306f\u6b21\u306e\u30ea\u30b9\u30af\u304c\u3042\u308a\u307e\u3059\u3002<\/p> <ul> <li><strong>\u30ed\u30b0\u3068\u72b6\u614b\u306e\u6d88\u5931<\/strong>\uff1a\u76f4\u524d\u306e\u30a8\u30e9\u30fc\u9023\u9396\u3084\u3001\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u306e\u524d\u5146\u304c\u8ffd\u3044\u306b\u304f\u304f\u306a\u308b\u3002<\/li> <li><strong>\u8d77\u52d5\u6642\u306e\u8ffd\u52a0I\/O<\/strong>\uff1a\u30b8\u30e3\u30fc\u30ca\u30eb\u30ea\u30d7\u30ec\u30a4\u3001\u30b5\u30fc\u30d3\u30b9\u8d77\u52d5\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u518d\u69cb\u7bc9\u306a\u3069\u3067\u8aad\u307f\u66f8\u304d\u304c\u5897\u3048\u308b\u3002<\/li> <li><strong>\u81ea\u52d5\u4fee\u5fa9\u304c\u8d70\u308b<\/strong>\uff1a\u74b0\u5883\u306b\u3088\u3063\u3066\u306f\u8d77\u52d5\u6642\u30c1\u30a7\u30c3\u30af\u3084\u3001\u30a2\u30d7\u30ea\u5074\u306e\u81ea\u52d5\u518d\u540c\u671f\u304c\u59cb\u307e\u308a\u3001\u4fdd\u5168\u524d\u306b\u66f8\u304d\u63db\u3048\u304c\u9032\u3080\u3002<\/li> <\/ul> <p>\u3064\u307e\u308a\u518d\u8d77\u52d5\u306f\u201c\u4e07\u80fd\u30ea\u30bb\u30c3\u30c8\u201d\u3067\u306f\u306a\u304f\u3001\u969c\u5bb3\u304c\u9032\u884c\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u72b6\u6cc1\u3092\u304b\u304d\u56de\u3059\u64cd\u4f5c\u306b\u306a\u308a\u5f97\u307e\u3059\u3002\u3082\u3061\u308d\u3093\u3001\u696d\u52d9\u7d99\u7d9a\u4e0a\u3069\u3046\u3057\u3066\u3082\u5fc5\u8981\u306a\u518d\u8d77\u52d5\u304c\u3042\u308b\u306e\u3082\u73fe\u5b9f\u3067\u3059\u3002\u305d\u306e\u5834\u5408\u306f\u3001<strong>\u518d\u8d77\u52d5\u524d\u306b\u30ed\u30b0\u78ba\u4fdd<\/strong>\u3001\u305d\u3057\u3066\u53ef\u80fd\u306a\u3089\u5f71\u97ff\u7bc4\u56f2\u306e\u7e2e\u5c0f\uff08\u30b5\u30fc\u30d3\u30b9\u505c\u6b62\u30fb\u5bfe\u8c61\u30dc\u30ea\u30e5\u30fc\u30e0\u306e\u5207\u308a\u96e2\u3057\uff09\u3092\u5148\u306b\u8003\u3048\u307e\u3059\u3002<\/p> <h3>fsck\u304c\u5730\u96f7\u306b\u306a\u308a\u5f97\u308b\u7406\u7531\uff1a\u6574\u5408\u6027\u4fee\u5fa9\uff1d\u66f8\u304d\u8fbc\u307f<\/h3> <p>fsck\uff08\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u30c1\u30a7\u30c3\u30af\uff09\u306f\u3001\u6574\u5408\u6027\u304c\u5d29\u308c\u305f\u3068\u304d\u306b\u5f37\u529b\u3067\u3059\u304c\u3001\u57fa\u672c\u7684\u306b<strong>\u30e1\u30bf\u30c7\u30fc\u30bf\u306e\u4fee\u5fa9\uff1d\u66f8\u304d\u8fbc\u307f<\/strong>\u3092\u4f34\u3044\u307e\u3059\u3002\u30c7\u30a3\u30b9\u30af\u304c\u4e0d\u5b89\u5b9a\u306a\u72b6\u614b\u3067\u66f8\u304d\u8fbc\u307f\u3092\u5897\u3084\u3059\u3068\u3001\u6b21\u306e\u60aa\u5faa\u74b0\u306b\u5165\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p> <ul> <li>\u8aad\u307f\u53d6\u308a\u30a8\u30e9\u30fc\u304c\u51fa\u308b \u2192 \u4fee\u5fa9\u306e\u305f\u3081\u306b\u8ffd\u52a0\u8aad\u307f\u53d6\u308a\/\u66f8\u304d\u8fbc\u307f\u304c\u5897\u3048\u308b<\/li> <li>\u4e0d\u826f\u30bb\u30af\u30bf\u3084\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u304c\u5897\u3048\u308b \u2192 fsck\u304c\u9577\u6642\u9593\u5316\u3059\u308b<\/li> <li>\u9014\u4e2d\u3067\u6b62\u307e\u308b\/\u518d\u8a66\u884c\u304c\u5897\u3048\u308b \u2192 \u3055\u3089\u306bI\/O\u304c\u5897\u3048\u308b<\/li> <\/ul> <p>\u300c\u6574\u5408\u6027\u3055\u3048\u76f4\u308c\u3070\u623b\u308b\u306f\u305a\u300d\u3068\u3044\u3046\u671f\u5f85\u306f\u5206\u304b\u308a\u307e\u3059\u3002\u3057\u304b\u3057\u3001EIO\u306e\u80cc\u666f\u304c\u7269\u7406\u30fb\u30ea\u30f3\u30af\u30fb\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u7531\u6765\u306e\u5834\u5408\u3001fsck\u306f\u6839\u672c\u539f\u56e0\u3092\u76f4\u3055\u305a\u306bI\/O\u3092\u5897\u3084\u3059\u65b9\u5411\u3078\u632f\u308c\u307e\u3059\u3002\u7d50\u679c\u3068\u3057\u3066\u3001\u5fa9\u65e7\u306e\u305f\u3081\u306b\u672c\u6765\u53d6\u308a\u305f\u304b\u3063\u305f\u201c\u5b89\u5168\u306a\u8aad\u307f\u51fa\u3057\u201d\u304c\u96e3\u3057\u304f\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p> <hr> <h3>\u518d\u30de\u30a6\u30f3\u30c8\uff0frw\u2194ro\u5207\u66ff\u304c\u5371\u967a\u306b\u306a\u308a\u5f97\u308b\u7406\u7531<\/h3> <p>Linux\u306fI\/O\u7570\u5e38\u306e\u691c\u77e5\u6642\u306b\u3001\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306b\u8aad\u307f\u53d6\u308a\u5c02\u7528\uff08ro\uff09\u3078\u843d\u3068\u3059\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u3053\u3067\u300crw\u3067\u518d\u30de\u30a6\u30f3\u30c8\u3057\u3066\u66f8\u304d\u8fbc\u307f\u3092\u7d9a\u3051\u308b\u300d\u5224\u65ad\u306f\u3001\u77ed\u671f\u7684\u306b\u306f\u696d\u52d9\u304c\u56de\u308b\u3088\u3046\u306b\u898b\u3048\u3066\u3082\u3001\u9577\u671f\u7684\u306b\u306f\u640d\u5931\u30fb\u6d41\u51fa\uff08\uff1d\u30c7\u30fc\u30bf\u6b20\u640d\uff09\u304c\u5897\u3048\u3084\u3059\u3044\u3067\u3059\u3002<\/p> <p>\u73fe\u5834\u76ee\u7dda\u3067\u8a00\u3046\u3068\u3001\u3053\u3046\u3044\u3046\u72ec\u308a\u8a00\u304c\u51fa\u3066\u304d\u307e\u3059\u3002<\/p> <p>\u300c\u4eca\u3060\u3051\u66f8\u3051\u308c\u3070\u52a9\u304b\u308b\u3093\u3060\u3051\u3069\u2026\u3053\u306e\u5148\u306b\u5730\u7344\u304c\u5f85\u3063\u3066\u305d\u3046\u3067\u5acc\u3060\u300d<\/p> <p>\u305d\u306e\u52d8\u306f\u3060\u3044\u305f\u3044\u6b63\u3057\u3044\u3067\u3059\u3002I\/O\u304c\u4e0d\u5b89\u5b9a\u306a\u72b6\u614b\u3067\u201c\u3068\u306b\u304b\u304f\u7d99\u7d9a\u201d\u3059\u308b\u3068\u3001\u30a2\u30d7\u30ea\u306f\u6210\u529f\/\u5931\u6557\u3092\u7e70\u308a\u8fd4\u3057\u3001\u7d50\u679c\u7684\u306b\u6574\u5408\u6027\u304c\u5d29\u308c\u305f\u72b6\u614b\u304c\u7a4d\u307f\u4e0a\u304c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p> <hr> <h3>\u4ee3\u308f\u308a\u306b\u4f55\u3092\u3059\u308b\u3079\u304d\u304b\uff1a\u5b89\u5168\u5074\u306e\u624b\u9806\u306b\u201c\u30d6\u30ec\u30fc\u30ad\u201d\u3092\u304b\u3051\u308b<\/h3> <p>\u7981\u6b62\u3057\u305f\u3044\u306e\u306f\u300c\u518d\u8d77\u52d5\u300d\u3084\u300cfsck\u300d\u305d\u306e\u3082\u306e\u3067\u306f\u306a\u304f\u3001<strong>\u4fdd\u5168\u3084\u5207\u308a\u5206\u3051\u3088\u308a\u5148\u306b\u305d\u308c\u3092\u5b9f\u884c\u3057\u3066\u3057\u307e\u3046\u9806\u756a<\/strong>\u3067\u3059\u3002EIO\u304c\u51fa\u305f\u3089\u3001\u6b21\u306e\u9806\u756a\u3092\u57fa\u672c\u5f62\u306b\u3059\u308b\u3068\u5224\u65ad\u304c\u5b89\u5b9a\u3057\u307e\u3059\u3002<\/p> <ol> <li>\u30ed\u30b0\u78ba\u4fdd\uff08\u5f8c\u8ffd\u3044\u53ef\u80fd\u306a\u5f62\u3067\u6b8b\u3059\uff09<\/li> <li>\u5f71\u97ff\u7bc4\u56f2\u306e\u628a\u63e1\uff08\u3069\u306e\u30dc\u30ea\u30e5\u30fc\u30e0\/\u30b5\u30fc\u30d3\u30b9\u304c\u8a72\u5f53\u304b\uff09<\/li> <li>\u4e0d\u8981\u306a\u66f8\u304d\u8fbc\u307f\u306e\u6291\u3048\u8fbc\u307f\uff08\u30b5\u30fc\u30d3\u30b9\u505c\u6b62\u30fb\u5bfe\u8c61\u5206\u96e2\u306e\u691c\u8a0e\uff09<\/li> <li>\u539f\u56e0\u5c64\u306e\u5207\u308a\u5206\u3051\uff08\u6b21\u7ae0\uff1a\u30ed\u30b0\u304b\u3089\u201c\u3069\u3053\u3067\u843d\u3061\u305f\u304b\u201d\u3092\u898b\u308b\uff09<\/li> <li>\u5fc5\u8981\u306a\u3089\u4fdd\u5168\uff08\u5b89\u5168\u306a\u30a4\u30e1\u30fc\u30b8\u53d6\u5f97\uff09\u3092\u512a\u5148\u3057\u3066\u5fa9\u65e7\u3078<\/li> <\/ol> <p>\u3053\u306e\u9806\u756a\u304c\u5b88\u308c\u308c\u3070\u3001fsck\u304c\u6709\u52b9\u306a\u5c40\u9762\u3067\u306f\u6709\u52b9\u306b\u4f7f\u3048\u307e\u3059\u3057\u3001\u518d\u8d77\u52d5\u304c\u5fc5\u8981\u306a\u5c40\u9762\u3067\u3082\u201c\u623b\u3057\u65b9\u201d\u3092\u8a2d\u8a08\u3067\u304d\u307e\u3059\u3002\u9006\u306b\u9806\u756a\u3092\u8aa4\u308b\u3068\u3001\u5fa9\u65e7\u306f\u904b\u4efb\u305b\u306b\u306a\u308a\u304c\u3061\u3067\u3059\u3002<\/p> <hr> <h3>\u3053\u306e\u7ae0\u306e\u307e\u3068\u3081\uff1a\u7126\u308a\u304c\u5224\u65ad\u3092\u96d1\u306b\u3059\u308b\u3002\u9806\u756a\u3092\u56fa\u5b9a\u3057\u3066\u201c\u5834\u3092\u6574\u3048\u308b\u201d<\/h3> <p>EIO\u5bfe\u5fdc\u3067\u4e00\u756a\u306e\u6575\u306f\u3001\u6280\u8853\u4e0d\u8db3\u3088\u308a\u3082\u300c\u7126\u308a\u3067\u9806\u756a\u304c\u5d29\u308c\u308b\u3053\u3068\u300d\u3067\u3059\u3002\u518d\u8d77\u52d5\u30fbfsck\u30fb\u518d\u30de\u30a6\u30f3\u30c8\u306f\u3001\u72b6\u6cc1\u306b\u3088\u3063\u3066\u306f\u6b63\u89e3\u306b\u3082\u306a\u308a\u307e\u3059\u304c\u3001\u4fdd\u5168\u3068\u5207\u308a\u5206\u3051\u3088\u308a\u5148\u306b\u8d70\u308b\u3068\u3001\u6b6f\u6b62\u3081\u306b\u306a\u3089\u306a\u3044\u3069\u3053\u308d\u304b\u60aa\u5316\u306e\u5f15\u304d\u91d1\u306b\u306a\u308a\u307e\u3059\u3002\u6b21\u7ae0\u3067\u306f\u3001dmesg\/journalctl\u304b\u3089\u201c\u3069\u306e\u5c64\u3067\u843d\u3061\u3066\u3044\u308b\u304b\u201d\u3092\u8aad\u3080\u5177\u4f53\u50cf\u3092\u3001\u73fe\u5834\u3067\u4f7f\u3048\u308b\u5f62\u306b\u843d\u3068\u3057\u307e\u3059\u3002<\/p> \r\n\r\n<a id=\"sec03\"><\/a>\r\n\r\n<p>\u3000<\/p> <h2 style=\"font-size:1.2em; font-weight:bold; text-decoration:underline;\">\u7b2c3\u7ae0\uff1admesg\u30fbjournalctl\u3067\u8aad\u3080I\/O\u5931\u6557\u70b9\u2500\u2500\u300c\u3069\u306e\u5c64\u3067\u843d\u3061\u305f\u304b\u300d\u3092\u7279\u5b9a\u3059\u308b<\/h2> <p>EIO\u304c\u51fa\u305f\u3068\u304d\u3001\u6700\u521d\u306b\u898b\u308b\u3079\u304d\u306f\u300c\u30a2\u30d7\u30ea\u306e\u4f8b\u5916\u30ed\u30b0\u300d\u3088\u308a\u3082\u3001\u30ab\u30fc\u30cd\u30eb\u5074\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u3067\u3059\u3002\u3053\u3053\u3067\u3084\u308b\u3053\u3068\u306f\u5358\u7d14\u3067\u3001<strong>\u201c\u5931\u6557\u3057\u305f\u5834\u6240\uff08\u5c64\uff09\u201d\u3092\u5f53\u3066\u306b\u3044\u304f<\/strong>\u3053\u3068\u3067\u3059\u3002<\/p> <p>\u73fe\u5834\u306e\u5fc3\u306e\u58f0\u3068\u3057\u3066\u306f\u3053\u3046\u3067\u3059\u3002<\/p> <p>\u300c\u30a2\u30d7\u30ea\u304c\u843d\u3061\u305f\u306e\u306f\u5206\u304b\u3063\u305f\u3002\u3067\u3001\u4e0b\u3067\u4f55\u304c\u8d77\u304d\u305f\uff1f \u3069\u3053\u304b\u3089\u7591\u3048\u3070\u3044\u3044\uff1f\u300d<\/p> <p>\u3053\u306e\u554f\u3044\u306b\u7b54\u3048\u308b\u6750\u6599\u304c\u3001dmesg\uff08\u30ab\u30fc\u30cd\u30eb\u30ed\u30b0\uff09\u3084journalctl\uff08systemd\u74b0\u5883\u306e\u30ed\u30b0\uff09\u3067\u3059\u3002EIO\u306f\u6700\u7d42\u7684\u306b\u30e6\u30fc\u30b6\u30fc\u7a7a\u9593\u3078\u8fd4\u3063\u3066\u304d\u307e\u3059\u304c\u3001\u539f\u56e0\u306e\u624b\u304c\u304b\u308a\u306f\u305d\u306e\u76f4\u524d\u306b\u30ab\u30fc\u30cd\u30eb\u304c\u558b\u3063\u3066\u3044\u308b\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002<\/p> <hr> <h3>\u307e\u305a\u201c\u30c7\u30d0\u30a4\u30b9\u540d\u201d\u3068\u201c\u30bf\u30a4\u30e0\u30e9\u30a4\u30f3\u201d\u3092\u62bc\u3055\u3048\u308b<\/h3> <p>\u30ed\u30b0\u3067\u306f\u3001<strong>\/dev\/sdX\u3001nvme0n1\u3001dm-0\u3001md0<\/strong>\u306e\u3088\u3046\u306a\u8868\u8a18\u304c\u51fa\u307e\u3059\u3002\u3053\u3053\u3067\u5927\u4e8b\u306a\u306e\u306f\u300c\u30a2\u30d7\u30ea\u304c\u89e6\u3063\u3066\u3044\u308b\u8ad6\u7406\u30dc\u30ea\u30e5\u30fc\u30e0\u300d\u3068\u300c\u5b9f\u4f53\u306e\u30d6\u30ed\u30c3\u30af\u30c7\u30d0\u30a4\u30b9\u300d\u304c\u30ba\u30ec\u308b\u3053\u3068\u304c\u3042\u308b\u70b9\u3067\u3059\uff08LVM\/\u6697\u53f7\u5316\/RAID\/\u4eee\u60f3\u5316\u304c\u3042\u308b\u3068\u7279\u306b\uff09\u3002<\/p> <p>\u3057\u305f\u304c\u3063\u3066\u3001\u30ed\u30b0\u3092\u8aad\u3080\u9806\u5e8f\u306f\u3001<\/p> <ul> <li><strong>\u3044\u3064<\/strong>\uff08\u6642\u523b\uff1a\u30a8\u30e9\u30fc\u304c\u5897\u3048\u59cb\u3081\u305f\u30bf\u30a4\u30df\u30f3\u30b0\uff09<\/li> <li><strong>\u3069\u308c<\/strong>\uff08\u30c7\u30d0\u30a4\u30b9\uff1asdX \/ nvme \/ dm \/ md\uff09<\/li> <li><strong>\u4f55\u304c<\/strong>\uff08reset \/ timeout \/ media error \/ filesystem error\uff09<\/li> <\/ul> <p>\u306e3\u70b9\u30bb\u30c3\u30c8\u3067\u3059\u3002\u7279\u306b\u300creset\u300d\u300ctimeout\u300d\u300cI\/O error\u300d\u304c\u9023\u9396\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u969c\u5bb3\u304c\u9032\u884c\u4e2d\u306e\u30b5\u30a4\u30f3\u306b\u306a\u308a\u5f97\u307e\u3059\u3002<\/p> <hr> <h3>\u30ed\u30b0\u306e\u5178\u578b\u30d1\u30bf\u30fc\u30f3\uff1a\u3069\u306e\u5c64\u306e\u8a00\u8449\u304b\u3067\u5206\u985e\u3059\u308b<\/h3> <p>EIO\u3092\u5f15\u304d\u8d77\u3053\u3059\u30ed\u30b0\u306f\u591a\u69d8\u3067\u3059\u304c\u3001\u5206\u985e\u306e\u8ef8\u306f\u30b7\u30f3\u30d7\u30eb\u3067\u3059\u3002<strong>\u7269\u7406\/\u30ea\u30f3\u30af\uff08SATA\/SAS\/NVMe\uff09\u2192\u30d6\u30ed\u30c3\u30af\u5c64\u2192\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u5c64<\/strong>\u306e\u3069\u3053\u3067\u201c\u5931\u6557\u304c\u78ba\u5b9a\u3057\u305f\u304b\u201d\u3092\u898b\u307e\u3059\u3002<\/p> <table style=\"border-collapse:collapse; width:100%;\"> <tr> <th style=\"background-color:#eeeeee; border:1px solid #999; padding:6px;\">\u5c64<\/th> <th style=\"background-color:#eeeeee; border:1px solid #999; padding:6px;\">\u30ed\u30b0\u306b\u51fa\u3084\u3059\u3044\u30ad\u30fc\u30ef\u30fc\u30c9\u4f8b<\/th> <th style=\"background-color:#eeeeee; border:1px solid #999; padding:6px;\">\u793a\u5506<\/th> <\/tr> <tr> <td style=\"background-color:#eeeeee; border:1px solid #999; padding:6px;\">\u30ea\u30f3\u30af\/\u30c7\u30d0\u30a4\u30b9<\/td> <td style=\"border:1px solid #999; padding:6px;\">reset\u3001timeout\u3001link down\/up\u3001controller reset\u3001CRC<\/td> <td style=\"border:1px solid #999; padding:6px;\">\u30b1\u30fc\u30d6\u30eb\/\u30dd\u30fc\u30c8\/\u96fb\u6e90\/\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\/\u5a92\u4f53\u4e0d\u8abf\u306e\u53ef\u80fd\u6027<\/td> <\/tr> <tr> <td style=\"background-color:#eeeeee; border:1px solid #999; padding:6px;\">\u30d6\u30ed\u30c3\u30af\u5c64<\/td> <td style=\"border:1px solid #999; padding:6px;\">I\/O error, dev XXX, sector N\u3001blk_update_request<\/td> <td style=\"border:1px solid #999; padding:6px;\">\u7279\u5b9a\u30bb\u30af\u30bf\u8aad\u307f\u66f8\u304d\u5931\u6557\u3001\u518d\u8a66\u884c\u306e\u75d5\u8de1\u304c\u51fa\u308b\u3053\u3068\u304c\u591a\u3044<\/td> <\/tr> <tr> <td style=\"background-color:#eeeeee; border:1px solid #999; padding:6px;\">\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0<\/td> <td style=\"border:1px solid #999; padding:6px;\">EXT4-fs error\u3001XFS metadata error\u3001journal abort\u3001read-only<\/td> <td style=\"border:1px solid #999; padding:6px;\">\u4e0b\u5c64\u969c\u5bb3\u306e\u201c\u7d50\u679c\u201d\u3068\u3057\u3066\u6574\u5408\u6027\u554f\u984c\u304c\u8868\u9762\u5316\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027<\/td> <\/tr> <\/table> <p>\u3053\u3053\u3067\u306e\u6ce8\u610f\u70b9\u306f\u3001\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u306e\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u51fa\u3066\u3044\u3066\u3082\u3001\u5fc5\u305a\u3057\u3082\u300c\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u304c\u539f\u56e0\u300d\u3068\u306f\u9650\u3089\u306a\u3044\u3053\u3068\u3067\u3059\u3002\u4e0b\u5c64\u306eI\/O\u304c\u6b20\u3051\u305f\u7d50\u679c\u3068\u3057\u3066\u3001\u4e0a\u5c64\u304c\u6574\u5408\u6027\u3092\u5931\u3063\u3066\u3044\u308b\u30b1\u30fc\u30b9\u304c\u591a\u3044\u304b\u3089\u3067\u3059\u3002<\/p> <hr> <h3>\u201c\u8ab0\u304cI\/O\u3057\u3066\u3044\u305f\u304b\u201d\u3092\u898b\u3066\u3001\u5fa9\u65e7\u65b9\u91dd\u306b\u4f0f\u7dda\u3092\u5f35\u308b<\/h3> <p>EIO\u304c\u51fa\u305f\u3068\u304d\u3001\u3082\u3046\u4e00\u3064\u5927\u4e8b\u306a\u306e\u306f\u300c\u305d\u306eI\/O\u306f\u8aad\u53d6\u308a\u304b\u66f8\u8fbc\u307f\u304b\u300d\u3067\u3059\u3002\u30ed\u30b0\u306bop\uff08READ\/WRITE\uff09\u3084\u3001\u5931\u6557\u304c\u591a\u3044\u30bf\u30a4\u30df\u30f3\u30b0\uff08\u591c\u9593\u30d0\u30c3\u30c1\u3001\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3001DB\u306e\u30c1\u30a7\u30c3\u30af\u30dd\u30a4\u30f3\u30c8\u7b49\uff09\u304c\u898b\u3048\u308b\u306a\u3089\u3001<strong>\u8ca0\u8377\u3068\u969c\u5bb3\u306e\u76f8\u95a2<\/strong>\u304c\u7591\u3048\u307e\u3059\u3002<\/p> <p>\u73fe\u5834\u306e\u3042\u308b\u3042\u308b\u3068\u3057\u3066\u3001<\/p> <p>\u300c\u663c\u306f\u5e73\u6c17\u306a\u306e\u306b\u3001\u6df1\u591c\u306e\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3067\u3060\u3051\u843d\u3061\u308b\u300d<\/p> <p>\u3068\u3044\u3046\u30b1\u30fc\u30b9\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u201c\u5bb9\u91cf\u304c\u5927\u304d\u3044\u9023\u7d9a\u8aad\u307f\u66f8\u304d\u201d\u3067\u521d\u3081\u3066\u75c7\u72b6\u304c\u51fa\u308b\u3001\u3064\u307e\u308a<strong>\u5e73\u5e38\u904b\u8ee2\u3067\u306f\u898b\u3048\u306a\u3044\u4e0d\u5b89\u5b9a\u3055<\/strong>\u304c\u3042\u308b\u53ef\u80fd\u6027\u3092\u793a\u3057\u307e\u3059\u3002\u3053\u3053\u307e\u3067\u8aad\u3081\u308b\u3068\u3001\u6b21\u7ae0\u306eSMART\u8a3a\u65ad\u3084\u3001\u7b2c8\u7ae0\u306e\u4fdd\u5168\uff08\u30a4\u30e1\u30fc\u30b8\u53d6\u5f97\uff09\u306b\u81ea\u7136\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002<\/p> <hr> <h3>\u3053\u306e\u7ae0\u306e\u307e\u3068\u3081\uff1a\u30ed\u30b0\u306f\u300c\u72af\u4eba\u63a2\u3057\u300d\u3067\u306f\u306a\u304f\u300c\u5c64\u306e\u7279\u5b9a\u300d\u306b\u4f7f\u3046<\/h3> <p>EIO\u5bfe\u5fdc\u3067\u30ed\u30b0\u3092\u898b\u308b\u76ee\u7684\u306f\u3001\u65ad\u5b9a\u3067\u306f\u306a\u304f\u3001\u7591\u3046\u7bc4\u56f2\u3092\u72ed\u3081\u3066\u201c\u6b21\u306e\u4e00\u624b\u201d\u3092\u5b89\u5168\u5316\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u3069\u306e\u5c64\u3067\u843d\u3061\u3066\u3044\u308b\u304b\u304c\u898b\u3048\u308c\u3070\u3001\u30c7\u30a3\u30b9\u30af\u5358\u4f53\u3092\u7591\u3046\u306e\u304b\u3001\u30ea\u30f3\u30af\u30fbHBA\u30fb\u96fb\u6e90\u3084\u30d0\u30c3\u30af\u30d7\u30ec\u30fc\u30f3\u307e\u3067\u8996\u91ce\u306b\u5165\u308c\u308b\u306e\u304b\u3001\u305d\u3057\u3066\u300c\u4fdd\u5168\u3092\u5148\u306b\u3059\u308b\u3079\u304d\u304b\u300d\u304c\u6c7a\u3081\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002\u6b21\u7ae0\u3067\u306f\u3001SMART\u60c5\u5831\u3092\u201c\u8a3a\u65ad\u201d\u306b\u5909\u3048\u308b\u8aad\u307f\u65b9\u3092\u6574\u7406\u3057\u307e\u3059\u3002<\/p> \r\n\r\n<a id=\"sec04\"><\/a>\r\n\r\n<p>\u3000<\/p> <h2 style=\"font-size:1.2em; font-weight:bold; text-decoration:underline;\">\u7b2c4\u7ae0\uff1aSMART\u306e\u8aad\u307f\u65b9\u3092\u201c\u8a3a\u65ad\u201d\u306b\u3059\u308b\u2500\u2500\u518d\u5272\u5f53\u30fbUNC\u30fb\u6e29\u5ea6\u30fb\u5c65\u6b74\u306e\u89e3\u91c8<\/h2> <p>\u30ed\u30b0\u3067\u201c\u602a\u3057\u3044\u5c64\u201d\u306e\u5f53\u305f\u308a\u304c\u4ed8\u3044\u305f\u3089\u3001\u6b21\u306f\u30b9\u30c8\u30ec\u30fc\u30b8\u306e\u81ea\u5df1\u8a3a\u65ad\u60c5\u5831\uff08SMART\uff09\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u305f\u3060\u3057SMART\u306f\u3001\u6570\u5024\u3092\u898b\u305f\u3060\u3051\u3067\u5373\u65ad\u3067\u304d\u308b\u9b54\u6cd5\u306e\u6307\u6a19\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u6b63\u3057\u3044\u4f7f\u3044\u65b9\u306f<strong>\u300c\u5358\u767a\u306e\u826f\u5426\u5224\u5b9a\u300d\u3067\u306f\u306a\u304f\u300c\u50be\u5411\u3068\u6574\u5408\u6027\u300d<\/strong>\u3092\u8aad\u3080\u3053\u3068\u3067\u3059\u3002<\/p> <p>\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u672c\u97f3\u3068\u3057\u3066\u306f\u3053\u3046\u3067\u3059\u3002<\/p> <p>\u300cSMART\u3063\u3066\u7d50\u5c40\u201cPASSED\u201d\u3063\u3066\u51fa\u308b\u3053\u3068\u591a\u304f\u306a\u3044\uff1f \u305d\u308c\u3067\u3082\u58ca\u308c\u308b\u3058\u3083\u3093\u300d<\/p> <p>\u305d\u306e\u7591\u3044\u306f\u5065\u5168\u3067\u3059\u3002\u3060\u304b\u3089\u3053\u305d\u3001PASSED\/FAILED\u3060\u3051\u3067\u7d42\u308f\u3089\u305b\u305a\u3001\u201c\u3069\u306e\u7a2e\u985e\u306e\u30a8\u30e9\u30fc\u304c\u5897\u3048\u3066\u3044\u308b\u304b\u201d\u3092\u8aad\u307f\u3001\u30ed\u30b0\u3068\u7a81\u304d\u5408\u308f\u305b\u3066\u56e0\u679c\u306e\u7b4b\u3092\u901a\u3057\u307e\u3059\u3002<\/p> <hr> <h3>\u898b\u308b\u3079\u304d\u306f\u300c\u5897\u3048\u305f\u304b\u3069\u3046\u304b\u300d\uff1a\u30ab\u30a6\u30f3\u30bf\u578b\u6307\u6a19\u306e\u6271\u3044<\/h3> <p>HDD\/SSD\uff08SATA\u7cfb\uff09\u3067\u7279\u306b\u6ce8\u76ee\u3055\u308c\u308b\u3053\u3068\u304c\u591a\u3044\u4ee3\u8868\u4f8b\u3092\u3001\u8a3a\u65ad\u89b3\u70b9\u3067\u6574\u7406\u3057\u307e\u3059\uff08\u540d\u79f0\u306f\u30d9\u30f3\u30c0\u3067\u591a\u5c11\u7570\u306a\u308a\u307e\u3059\uff09\u3002<\/p> <table style=\"border-collapse:collapse; width:100%;\"> <tr> <th style=\"background-color:#eeeeee; border:1px solid #999; padding:6px;\">\u9805\u76ee\u4f8b<\/th> <th style=\"background-color:#eeeeee; border:1px solid #999; padding:6px;\">\u610f\u5473\uff08\u3056\u3063\u304f\u308a\uff09<\/th> <th style=\"background-color:#eeeeee; border:1px solid #999; padding:6px;\">\u8aad\u307f\u65b9\u306e\u30b3\u30c4<\/th> <\/tr> <tr> <td style=\"background-color:#eeeeee; border:1px solid #999; padding:6px;\">Reallocated Sector Count<\/td> <td style=\"border:1px solid #999; padding:6px;\">\u4e0d\u826f\u30bb\u30af\u30bf\u3092\u5225\u9818\u57df\u3078\u9000\u907f\u3057\u305f\u56de\u6570<\/td> <td style=\"border:1px solid #999; padding:6px;\">\u201c\u5897\u52a0\u50be\u5411\u201d\u306a\u3089\u5a92\u4f53\u52a3\u5316\u306e\u53ef\u80fd\u6027\u304c\u4e0a\u304c\u308b<\/td> <\/tr> <tr> <td style=\"background-color:#eeeeee; border:1px solid #999; padding:6px;\">Current Pending Sector<\/td> <td style=\"border:1px solid #999; padding:6px;\">\u8aad\u3081\u305a\u4fdd\u7559\u306b\u306a\u3063\u3066\u3044\u308b\u30bb\u30af\u30bf<\/td> <td style=\"border:1px solid #999; padding:6px;\">EIO\u3068\u76f8\u95a2\u3057\u3084\u3059\u3044\u3002\u4fdd\u5168\uff08\u30a4\u30e1\u30fc\u30b8\u53d6\u5f97\uff09\u512a\u5148\u306e\u4f0f\u7dda<\/td> <\/tr> <tr> <td style=\"background-color:#eeeeee; border:1px solid #999; padding:6px;\">Offline Uncorrectable<\/td> <td style=\"border:1px solid #999; padding:6px;\">\u8a02\u6b63\u3067\u304d\u306a\u3044\u30a8\u30e9\u30fc<\/td> <td style=\"border:1px solid #999; padding:6px;\">\u5897\u3048\u308b\u306a\u3089\u8aad\u307f\u51fa\u3057\u56f0\u96e3\u304c\u9032\u884c\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027<\/td> <\/tr> <tr> <td style=\"background-color:#eeeeee; border:1px solid #999; padding:6px;\">UDMA CRC Error Count<\/td> <td style=\"border:1px solid #999; padding:6px;\">\u901a\u4fe1\u30a8\u30e9\u30fc\uff08\u30ea\u30f3\u30af\u54c1\u8cea\uff09<\/td> <td style=\"border:1px solid #999; padding:6px;\">\u30c7\u30a3\u30b9\u30af\u5a92\u4f53\u3068\u3044\u3046\u3088\u308a\u30b1\u30fc\u30d6\u30eb\/\u30dd\u30fc\u30c8\/\u30d0\u30c3\u30af\u30d7\u30ec\u30fc\u30f3\u7591\u3044\uff08\u7b2c5\u7ae0\u3078\uff09<\/td> <\/tr> <tr> <td style=\"background-color:#eeeeee; border:1px solid #999; padding:6px;\">Temperature \/ Power-On Hours<\/td> <td style=\"border:1px solid #999; padding:6px;\">\u6e29\u5ea6\/\u7a3c\u50cd\u6642\u9593<\/td> <td style=\"border:1px solid #999; padding:6px;\">\u9ad8\u6e29\u7d99\u7d9a\u3084\u9577\u6642\u9593\u7a3c\u50cd\u306f\u30ea\u30b9\u30af\u8a55\u4fa1\u306e\u6750\u6599\u306b\u306a\u308b<\/td> <\/tr> <\/table> <p>\u30dd\u30a4\u30f3\u30c8\u306f\u3001\u95be\u5024\u3092\u4e00\u767a\u3067\u6c7a\u3081\u308b\u3053\u3068\u3088\u308a\u3082\u3001<strong>\u300c\u6628\u65e5\u3068\u6bd4\u3079\u3066\u5897\u3048\u305f\u304b\u300d\u300c\u30ed\u30b0\u306e\u75c7\u72b6\u3068\u6574\u5408\u3059\u308b\u304b\u300d<\/strong>\u3067\u3059\u3002\u4f8b\u3048\u3070\u3001EIO\u304c\u5897\u3048\u3066\u3044\u3066 Pending\/Uncorrectable \u3082\u5897\u3048\u3066\u3044\u308b\u306a\u3089\u3001\u5a92\u4f53\u5074\u306e\u8aad\u307f\u51fa\u3057\u56f0\u96e3\u304c\u7591\u308f\u308c\u307e\u3059\u3002\u4e00\u65b9\u3067\u3001EIO\u304c\u51fa\u3066\u3044\u308b\u306e\u306bCRC\u3060\u3051\u304c\u5897\u3048\u3066\u3044\u308b\u306a\u3089\u3001\u30ea\u30f3\u30af\u5074\uff08\u30b1\u30fc\u30d6\u30eb\u7b49\uff09\u304c\u7591\u308f\u3057\u3044\u3001\u3068\u3044\u3046\u3088\u3046\u306b\u6b21\u306e\u6253\u3061\u624b\u304c\u5909\u308f\u308a\u307e\u3059\u3002<\/p> <hr> <h3>NVMe\/SSD\u3067\u306f\u201c\u5225\u306e\u6307\u6a19\u201d\u3082\u898b\u308b<\/h3> <p>NVMe\u306f\u8868\u73fe\u304cSATA\u306eSMART\u5c5e\u6027\u3068\u9055\u3046\u305f\u3081\u3001\u898b\u65b9\u304c\u30ba\u30ec\u3084\u3059\u3044\u3067\u3059\u3002\u4ee3\u8868\u7684\u306b\u306f\u3001\u30e1\u30c7\u30a3\u30a2\u30a8\u30e9\u30fc\u6570\u3084\u30a8\u30e9\u30fc\u30ed\u30b0\u306e\u30a8\u30f3\u30c8\u30ea\u6570\u3001\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306e\u30ea\u30bb\u30c3\u30c8\/\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u306e\u75d5\u8de1\u306a\u3069\u3092\u78ba\u8a8d\u3057\u3001\u30ab\u30fc\u30cd\u30eb\u30ed\u30b0\uff08nvme reset\u3084timeout\uff09\u3068\u5408\u308f\u305b\u3066\u8aad\u307f\u307e\u3059\u3002<\/p> <p>\u3053\u3053\u3067\u3082\u91cd\u8981\u306a\u306e\u306f\u300c\u5358\u767a\u306e\u5024\u300d\u3088\u308a\u300c\u5897\u52a0\u300d\u300c\u518d\u73fe\u6027\u300d\u3067\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u8ca0\u8377\u3092\u304b\u3051\u305f\u3068\u304d\u3060\u3051\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u304c\u51fa\u308b\u306a\u3089\u3001\u71b1\u3001\u96fb\u6e90\u3001PCIe\u7d4c\u8def\u3001\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u8981\u56e0\u306a\u3069\u201c\u30c7\u30a3\u30b9\u30af\u4ee5\u5916\u201d\u306e\u53ef\u80fd\u6027\u3082\u6b8b\u308a\u307e\u3059\u3002<\/p> <hr> <h3>SMART\u304c\u53d6\u308c\u306a\u3044\u30fb\u4fe1\u983c\u3057\u306b\u304f\u3044\u30b1\u30fc\u30b9\u3082\u3042\u308b<\/h3> <p>RAID\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u914d\u4e0b\u3084\u3001\u7279\u5b9a\u306e\u5916\u4ed8\u3051\u30b1\u30fc\u30b9\u306a\u3069\u3067\u306fSMART\u304c\u7d20\u76f4\u306b\u898b\u3048\u306a\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305f\u3001SMART\u306f\u201c\u672a\u6765\u4e88\u77e5\u201d\u3067\u306f\u306a\u3044\u305f\u3081\u3001\u660e\u78ba\u306a\u7570\u5e38\u5024\u304c\u51fa\u306a\u3044\u307e\u307e\u6545\u969c\u304c\u9855\u5728\u5316\u3059\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002<\/p> <p>\u3060\u304b\u3089\u3053\u305dSMART\u306f\u300c\u552f\u4e00\u306e\u5224\u6c7a\u300d\u3067\u306f\u306a\u304f\u3001<strong>\u30ed\u30b0\u30fb\u75c7\u72b6\u30fb\u69cb\u6210<\/strong>\u3068\u7d44\u307f\u5408\u308f\u305b\u308b\u90e8\u54c1\u3067\u3059\u3002\u3053\u306e\u7d44\u307f\u5408\u308f\u305b\u304c\u3067\u304d\u308b\u3068\u3001\u6b21\u306e\u7ae0\u3067\u6271\u3046\u300c\u30b1\u30fc\u30d6\u30eb\u3084HBA\u304c\u72af\u4eba\u300d\u306e\u30b1\u30fc\u30b9\u3082\u65e9\u3081\u306b\u6c17\u3065\u3051\u307e\u3059\u3002<\/p> <hr> <h3>\u3053\u306e\u7ae0\u306e\u307e\u3068\u3081\uff1aSMART\u306f\u201c\u5224\u5b9a\u201d\u3067\u306f\u306a\u304f\u201c\u72b6\u6cc1\u8aac\u660e\u201d\u306e\u6750\u6599<\/h3> <p>SMART\u306f\u3001EIO\u306e\u80cc\u666f\u3092\u8aac\u660e\u3059\u308b\u5f37\u3044\u6750\u6599\u306b\u306a\u308a\u5f97\u307e\u3059\u304c\u3001\u5358\u72ec\u3067\u4e07\u80fd\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u5897\u52a0\u50be\u5411\u3068\u30ed\u30b0\u306e\u6574\u5408\u6027\u3092\u898b\u308b\u3053\u3068\u3067\u3001\u5a92\u4f53\u52a3\u5316\u306a\u306e\u304b\u3001\u30ea\u30f3\u30af\u4e0d\u826f\u306a\u306e\u304b\u3001\u5225\u8981\u56e0\u306a\u306e\u304b\u3092\u7d5e\u308a\u8fbc\u3081\u307e\u3059\u3002\u6b21\u7ae0\u3067\u306f\u300c\u30c7\u30a3\u30b9\u30af\u3092\u4ea4\u63db\u3057\u3066\u3082\u76f4\u3089\u306a\u3044\u300d\u5178\u578b\u3068\u3057\u3066\u3001\u30b1\u30fc\u30d6\u30eb\/\u30dd\u30fc\u30c8\/\u96fb\u6e90\/HBA\u306a\u3069\u201c\u5468\u8fba\u8981\u56e0\u201d\u3092\u6574\u7406\u3057\u307e\u3059\u3002<\/p> \r\n\r\n<a id=\"sec05\"><\/a>\r\n\r\n<p>\u3000<\/p> <h2 style=\"font-size:1.2em; font-weight:bold; text-decoration:underline;\">\u7b2c5\u7ae0\uff1a\u30b1\u30fc\u30d6\u30eb\uff0f\u30dd\u30fc\u30c8\uff0f\u96fb\u6e90\uff0fHBA\u306e\u843d\u3068\u3057\u7a74\u2500\u2500\u300c\u30c7\u30a3\u30b9\u30af\u4ee5\u5916\u300d\u304c\u72af\u4eba\u306e\u30b1\u30fc\u30b9<\/h2> <p>\u73fe\u5834\u3067\u672c\u5f53\u306b\u3084\u3063\u304b\u3044\u306a\u306e\u306f\u3001\u300c\u30c7\u30a3\u30b9\u30af\u3092\u4ea4\u63db\u3057\u305f\u306e\u306bEIO\u304c\u518d\u767a\u3059\u308b\u300d\u30d1\u30bf\u30fc\u30f3\u3067\u3059\u3002\u3053\u3053\u3067\u7a7a\u6c17\u304c\u60aa\u304f\u306a\u308a\u307e\u3059\u3002<\/p> <p>\u300c\u4ea4\u63db\u3057\u305f\u3088\u306d\uff1f \u306a\u3093\u3067\u307e\u305f\u2026\u300d\u300c\u6b21\u306f\u4f55\u3092\u7591\u3048\u3070\u3044\u3044\u306e\uff1f\u300d<\/p> <p>\u3053\u306e\u72b6\u6cc1\u3067\u5fc5\u8981\u306a\u306e\u306f\u3001\u8ab0\u304b\u306e\u8cac\u4efb\u63a2\u3057\u3067\u306f\u306a\u304f\u3001\u539f\u56e0\u306e\u5019\u88dc\u3092\u4f53\u7cfb\u7684\u306b\u4e26\u3079\u3066\u201c\u53ce\u675f\u201d\u3078\u6301\u3063\u3066\u3044\u304f\u3053\u3068\u3067\u3059\u3002EIO\u306fI\/O\u5931\u6557\u306e\u7d50\u679c\u306a\u306e\u3067\u3001\u5a92\u4f53\u4ee5\u5916\u306b\u3082\u72af\u4eba\u304c\u3044\u307e\u3059\u3002<\/p> <hr> <h3>\u30ea\u30f3\u30af\u7cfb\u30c8\u30e9\u30d6\u30eb\u306e\u4ee3\u8868\uff1a\u30b1\u30fc\u30d6\u30eb\u30fb\u30dd\u30fc\u30c8\u30fb\u30d0\u30c3\u30af\u30d7\u30ec\u30fc\u30f3<\/h3> <p>\u30b1\u30fc\u30d6\u30eb\u3084\u30dd\u30fc\u30c8\u306e\u4e0d\u826f\u3001\u30d0\u30c3\u30af\u30d7\u30ec\u30fc\u30f3\uff08\u30db\u30c3\u30c8\u30b9\u30ef\u30c3\u30d7\u30d9\u30a4\uff09\u3084\u30a8\u30ad\u30b9\u30d1\u30f3\u30c0\u306e\u4e0d\u8abf\u306f\u3001\u75c7\u72b6\u304c\u300c\u30c7\u30a3\u30b9\u30af\u969c\u5bb3\u3063\u307d\u304f\u300d\u898b\u3048\u307e\u3059\u3002\u7279\u306bSATA\/SAS\u3067\u306f\u3001\u30ea\u30f3\u30af\u304c\u4e0d\u5b89\u5b9a\u306b\u306a\u308b\u3068\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u2192\u30ea\u30bb\u30c3\u30c8\u2192\u518d\u8a66\u884c\u2192I\/O\u5931\u6557\u3001\u3068\u3044\u3046\u6d41\u308c\u306b\u306a\u308a\u3084\u3059\u3044\u3067\u3059\u3002<\/p> <p>\u7b2c4\u7ae0\u3067\u89e6\u308c\u305f<strong>CRC\u7cfb\u306e\u30ab\u30a6\u30f3\u30bf\u5897\u52a0<\/strong>\u304c\u898b\u3048\u308b\u5834\u5408\u3001\u5a92\u4f53\u3088\u308a\u3082\u30ea\u30f3\u30af\u54c1\u8cea\uff08\u914d\u7dda\u30fb\u63a5\u89e6\u30fb\u632f\u52d5\u30fb\u52a3\u5316\uff09\u306b\u5bc4\u308a\u307e\u3059\u3002\u3053\u3053\u3067\u306e\u73fe\u5b9f\u7684\u306a\u5bfe\u51e6\u306f\u3001\u539f\u56e0\u3092\u201c\u7406\u5c48\u3067\u5b8c\u5168\u306b\u8a3c\u660e\u3059\u308b\u201d\u3088\u308a\u3001<strong>\u4ea4\u63db\u30fb\u5dee\u3057\u66ff\u3048\u3067\u518d\u73fe\u6027\u3092\u6f70\u3059<\/strong>\u3053\u3068\u3067\u3059\uff08\u305f\u3060\u3057\u4f5c\u696d\u306f\u8a08\u753b\u7684\u306b\u3002\u30db\u30c3\u30c8\u30b9\u30ef\u30c3\u30d7\u3084\u518d\u8a8d\u8b58\u3067I\/O\u304c\u5897\u3048\u3001\u60aa\u5316\u3059\u308b\u30b1\u30fc\u30b9\u3082\u3042\u308b\u305f\u3081\u3067\u3059\uff09\u3002<\/p> <hr> <h3>\u96fb\u6e90\u30fb\u77ac\u65ad\u30fb\u96fb\u5727\u964d\u4e0b\uff1a\u30ed\u30b0\u306b\u51fa\u306b\u304f\u3044\u306e\u306b\u7834\u58ca\u529b\u304c\u3042\u308b<\/h3> <p>\u30b9\u30c8\u30ec\u30fc\u30b8\u5468\u308a\u3067\u898b\u843d\u3068\u3055\u308c\u304c\u3061\u306a\u306e\u304c\u96fb\u6e90\u3067\u3059\u3002\u96fb\u6e90\u30e6\u30cb\u30c3\u30c8\u3084\u30b1\u30fc\u30d6\u30eb\u3001\u96fb\u6e90\u5197\u9577\u306e\u7247\u7cfb\u4e0d\u8abf\u3001\u30e9\u30c3\u30af\u306ePDU\u3001UPS\u306e\u52a3\u5316\u306a\u3069\u304c\u7d61\u3080\u3068\u3001<strong>\u4e00\u77ac\u306e\u4e0d\u5b89\u5b9a<\/strong>\u304cI\/O\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3068\u3057\u3066\u73fe\u308c\u307e\u3059\u3002\u3057\u304b\u3082\u3001\u3053\u306e\u624b\u306e\u554f\u984c\u306f\u300c\u305d\u306e\u77ac\u9593\u300d\u306e\u30ed\u30b0\u304c\u8584\u3044\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p> <p>\u300c\u591c\u9593\u3060\u3051\u8d77\u304d\u308b\u300d\u300c\u7279\u5b9a\u306e\u8ca0\u8377\uff08\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\/\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8\uff09\u3067\u8d77\u304d\u308b\u300d\u5834\u5408\u3001\u96fb\u6e90\u3084\u71b1\u306e\u4f59\u88d5\u304c\u306a\u3044\u53ef\u80fd\u6027\u3082\u7591\u3044\u307e\u3059\u3002\u3053\u3053\u3067\u306e\u30dd\u30a4\u30f3\u30c8\u306f\u3001\u30a2\u30d7\u30ea\u3084OS\u3060\u3051\u3067\u306f\u306a\u304f\u3001<strong>\u7b50\u4f53\u30fb\u30e9\u30c3\u30af\u30fb\u96fb\u6e90\u7cfb\u306e\u904b\u7528\u60c5\u5831<\/strong>\u3082\u542b\u3081\u3066\u6642\u7cfb\u5217\u3092\u4f5c\u308b\u3053\u3068\u3067\u3059\u3002\u5f79\u54e1\u8aac\u660e\u304c\u96e3\u3057\u3044\u3068\u304d\u3082\u3001\u6642\u7cfb\u5217\u304c\u3042\u308b\u3068\u201c\u8aac\u660e\u53ef\u80fd\u6027\u201d\u304c\u4e0a\u304c\u308a\u307e\u3059\u3002<\/p> <hr> <h3>HBA\/RAID\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\/\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\uff1a\u4ea4\u63db\u3057\u3066\u3082\u6b8b\u308b\u201c\u5171\u901a\u56e0\u5b50\u201d<\/h3> <p>\u30c7\u30a3\u30b9\u30af\u4ea4\u63db\u3067\u76f4\u3089\u306a\u3044\u3068\u304d\u3001\u5171\u901a\u56e0\u5b50\u3068\u3057\u3066\u6b8b\u308b\u306e\u304cHBA\u3084RAID\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u3001\u30c9\u30e9\u30a4\u30d0\u3001\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u3067\u3059\u3002\u3053\u3053\u304c\u4e0d\u5b89\u5b9a\u3060\u3068\u3001\u8907\u6570\u30c7\u30a3\u30b9\u30af\u306b\u307e\u305f\u304c\u3063\u3066\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3084\u30ea\u30bb\u30c3\u30c8\u304c\u898b\u3048\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p> <p>\u305f\u3060\u3057\u3001\u3053\u3053\u3067\u6ce8\u610f\u3057\u305f\u3044\u306e\u306f\u300c\u95c7\u96f2\u306a\u66f4\u65b0\u300d\u3067\u3059\u3002\u30d5\u30a1\u30fc\u30e0\u66f4\u65b0\u306f\u6709\u52b9\u306a\u624b\u6bb5\u306b\u306a\u308a\u5f97\u307e\u3059\u304c\u3001\u696d\u52d9\u5f71\u97ff\u304c\u5927\u304d\u3044\u74b0\u5883\u3067\u306f\u691c\u8a3c\u8a08\u753b\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p> <ul> <li>\u73fe\u8c61\u306e\u518d\u73fe\u6761\u4ef6\uff08\u8ca0\u8377\u30fb\u6642\u9593\u5e2f\u30fbI\/O\u30d1\u30bf\u30fc\u30f3\uff09<\/li> <li>\u30ed\u30b0\u4e0a\u306e\u7279\u5fb4\uff08reset\u304c\u8ab0\u3092\u8d77\u70b9\u306b\u8d77\u304d\u308b\u304b\uff09<\/li> <li>\u69cb\u6210\uff08RAID\u30ec\u30d9\u30eb\u3001\u30ad\u30e5\u30fc\u6df1\u5ea6\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u8a2d\u5b9a\u3001BBU\/\u30d5\u30e9\u30c3\u30b7\u30e5\u30d0\u30c3\u30af\uff09<\/li> <\/ul> <p>\u3053\u308c\u3089\u304c\u63c3\u3063\u3066\u3044\u306a\u3044\u3068\u3001\u66f4\u65b0\u3057\u3066\u826f\u304f\u306a\u3063\u305f\u306e\u304b\u3001\u5076\u7136\u843d\u3061\u7740\u3044\u305f\u306e\u304b\u5224\u65ad\u3067\u304d\u307e\u305b\u3093\u3002\u3064\u307e\u308a\u201c\u5834\u3092\u6574\u3048\u308b\u201d\u3053\u3068\u304c\u3001\u7d50\u5c40\u3044\u3061\u3070\u3093\u901f\u3044\u3067\u3059\u3002<\/p> <hr> <h3>\u3053\u306e\u7ae0\u306e\u307e\u3068\u3081\uff1a\u4ea4\u63db\u3067\u76f4\u3089\u306a\u3044\u306a\u3089\u3001\u539f\u56e0\u306f\u300c\u5171\u901a\u90e8\u5206\u300d\u306b\u5bc4\u3063\u3066\u3044\u308b<\/h3> <p>\u30c7\u30a3\u30b9\u30af\u4ea4\u63db\u3067\u6539\u5584\u3057\u306a\u3044EIO\u306f\u3001\u30ea\u30f3\u30af\u30fb\u96fb\u6e90\u30fb\u30d0\u30c3\u30af\u30d7\u30ec\u30fc\u30f3\u30fbHBA\/\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u3068\u3044\u3063\u305f\u201c\u5171\u901a\u90e8\u5206\u201d\u304c\u7591\u308f\u3057\u3044\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002\u3053\u3053\u307e\u3067\u6765\u308b\u3068\u3001\u73fe\u5834\u3060\u3051\u3067\u62b1\u3048\u308b\u306e\u304c\u3057\u3093\u3069\u304f\u306a\u308a\u307e\u3059\u3002\u30ed\u30b0\u30fbSMART\u30fb\u69cb\u6210\u30fb\u8ca0\u8377\u6761\u4ef6\u3092\u6574\u7406\u3067\u304d\u3066\u3044\u308b\u307b\u3069\u3001\u6b21\u306e\u7ae0\u4ee5\u964d\uff08\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u306e\u898b\u3048\u65b9\u3001\u4fdd\u5168\u3001\u5fa9\u65e7\u8a08\u753b\uff09\u3092\u5b89\u5168\u306b\u9032\u3081\u3089\u308c\u307e\u3059\u3002\u6b21\u306f\u3001ext4\/XFS\u306a\u3069\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u5074\u306e\u8996\u70b9\u3067\u300c\u4f55\u304c\u8d77\u304d\u3066\u3044\u308b\u3088\u3046\u306b\u898b\u3048\u308b\u304b\u300d\u3092\u6574\u7406\u3057\u307e\u3059\u3002<\/p> \r\n\r\n<a id=\"sec06\"><\/a>\r\n\r\n<p>\u3000<\/p> <h2 style=\"font-size:1.2em; font-weight:bold; text-decoration:underline;\">\u7b2c6\u7ae0\uff1a\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u8996\u70b9\u306e\u5207\u308a\u5206\u3051\u2500\u2500ext4\uff0fXFS\u3068\u300c\u8aad\u307f\u53d6\u308a\u5c02\u7528\u5316\u300d\u304c\u610f\u5473\u3059\u308b\u3053\u3068<\/h2> <p>EIO\u304c\u8868\u306b\u51fa\u308b\u3068\u3001\u30a2\u30d7\u30ea\u306f\u3082\u3061\u308d\u3093\u3001\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u3082\u201c\u7570\u5e38\u201d\u3068\u3057\u3066\u53cd\u5fdc\u3057\u307e\u3059\u3002\u3053\u3053\u3067\u73fe\u5834\u304c\u56f0\u308b\u306e\u304c\u3001\u30ed\u30b0\u306b\u51fa\u3066\u304f\u308b\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u300c\u539f\u56e0\u300d\u306b\u898b\u3048\u3066\u3057\u307e\u3046\u3053\u3068\u3067\u3059\u3002<\/p> <p>\u300cEXT4-fs error \u3063\u3066\u66f8\u3044\u3066\u3042\u308b\u2026\u3058\u3083\u3042 ext4 \u304c\u58ca\u308c\u305f\uff1f\u300d\u300cXFS metadata error\u2026\u30e1\u30bf\u30c7\u30fc\u30bf\u304c\u58ca\u308c\u305f\u306a\u3089\u5fa9\u65e7\u7121\u7406\uff1f\u300d<\/p> <p>\u305d\u306e\u4e0d\u5b89\u306f\u81ea\u7136\u3067\u3059\u304c\u3001\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u306e\u30a8\u30e9\u30fc\u306f<strong>\u4e0b\u5c64I\/O\u5931\u6557\u306e\u201c\u7d50\u679c\u201d<\/strong>\u3068\u3057\u3066\u51fa\u3066\u3044\u308b\u3053\u3068\u304c\u5c11\u306a\u304f\u3042\u308a\u307e\u305b\u3093\u3002\u7b2c3\u7ae0\u3067\u89e6\u308c\u305f\u901a\u308a\u3001\u5c64\u3092\u5206\u3051\u3066\u8aad\u3080\u3068\u5224\u65ad\u304c\u5b89\u5b9a\u3057\u307e\u3059\u3002<\/p> <hr> <h3>ext4\u3068XFS\u306e\u201c\u5b88\u308a\u65b9\u201d\u306e\u9055\u3044\u3092\u7406\u89e3\u3059\u308b<\/h3> <p>ext4\u3082XFS\u3082\u30b8\u30e3\u30fc\u30ca\u30ea\u30f3\u30b0\u3084\u6574\u5408\u6027\u7dad\u6301\u306e\u4ed5\u7d44\u307f\u3092\u6301\u3061\u307e\u3059\u304c\u3001\u7570\u5e38I\/O\u6642\u306e\u898b\u3048\u65b9\u3084\u6319\u52d5\u306f\u540c\u3058\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u91cd\u8981\u306a\u306e\u306f\u300c\u3069\u3061\u3089\u304c\u512a\u308c\u3066\u3044\u308b\u304b\u300d\u3067\u306f\u306a\u304f\u3001<strong>\u7570\u5e38\u6642\u306b\u4f55\u304c\u8d77\u304d\u305f\u3088\u3046\u306b\u898b\u3048\u308b\u304b<\/strong>\u3092\u7406\u89e3\u3057\u3066\u304a\u304f\u3053\u3068\u3067\u3059\u3002<\/p> <table style=\"border-collapse:collapse; width:100%;\"> <tr> <th style=\"background-color:#eeeeee; border:1px solid #999; padding:6px;\">\u89b3\u70b9<\/th> <th style=\"background-color:#eeeeee; border:1px solid #999; padding:6px;\">ext4\u3067\u8d77\u304d\u3084\u3059\u3044\u201c\u898b\u3048\u65b9\u201d<\/th> <th style=\"background-color:#eeeeee; border:1px solid #999; padding:6px;\">XFS\u3067\u8d77\u304d\u3084\u3059\u3044\u201c\u898b\u3048\u65b9\u201d<\/th> <\/tr> <tr> <td style=\"background-color:#eeeeee; border:1px solid #999; padding:6px;\">\u7570\u5e38\u691c\u77e5<\/td> <td style=\"border:1px solid #999; padding:6px;\">\u30b8\u30e3\u30fc\u30ca\u30eb\u4e2d\u65ad\u3084\u6574\u5408\u6027\u30a8\u30e9\u30fc\u304c\u6bd4\u8f03\u7684\u5206\u304b\u308a\u3084\u3059\u304f\u51fa\u308b<\/td> <td style=\"border:1px solid #999; padding:6px;\">\u30e1\u30bf\u30c7\u30fc\u30bf\u306eI\/O\u30a8\u30e9\u30fc\u3068\u3057\u3066\u51fa\u308b\u3053\u3068\u304c\u591a\u3044<\/td> <\/tr> <tr> <td style=\"background-color:#eeeeee; border:1px solid #999; padding:6px;\">\u4fdd\u8b77\u52d5\u4f5c<\/td> <td style=\"border:1px solid #999; padding:6px;\">\u72b6\u6cc1\u306b\u3088\u308a\u8aad\u307f\u53d6\u308a\u5c02\u7528\uff08ro\uff09\u306b\u843d\u3061\u308b\u3053\u3068\u304c\u3042\u308b<\/td> <td style=\"border:1px solid #999; padding:6px;\">\u91cd\u5927\u306a\u30e1\u30bf\u30c7\u30fc\u30bf\u969c\u5bb3\u3067\u306f\u904b\u7528\u7d99\u7d9a\u304c\u96e3\u3057\u304f\u306a\u308b<\/td> <\/tr> <tr> <td style=\"background-color:#eeeeee; border:1px solid #999; padding:6px;\">\u5224\u65ad\u30dd\u30a4\u30f3\u30c8<\/td> <td style=\"border:1px solid #999; padding:6px;\">\u300c\u4e0b\u5c64I\/O\u304c\u6b20\u3051\u305f\u306e\u304b\u300d\u3092\u30ed\u30b0\u3067\u8ffd\u3046<\/td> <td style=\"border:1px solid #999; padding:6px;\">\u201c\u76f4\u3059\u524d\u306b\u4fdd\u5168\u201d\u304c\u3088\u308a\u91cd\u8981\u306b\u306a\u308a\u3084\u3059\u3044<\/td> <\/tr> <\/table> <p>\u3069\u3061\u3089\u306b\u3057\u3066\u3082\u3001\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u306f\u300c\u3053\u308c\u4ee5\u4e0a\u66f8\u304f\u3068\u5371\u306a\u3044\u300d\u3068\u3044\u3046\u5c40\u9762\u3067\u3001\u8aad\u307f\u53d6\u308a\u5c02\u7528\u5316\u3084\u30a8\u30e9\u30fc\u9023\u767a\u3068\u3057\u3066\u30b5\u30a4\u30f3\u3092\u51fa\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u90aa\u9b54\u3067\u306f\u306a\u304f\u3001<strong>\u88ab\u5bb3\u6700\u5c0f\u5316\u306e\u305f\u3081\u306e\u30d6\u30ec\u30fc\u30ad<\/strong>\u3067\u3059\u3002<\/p> <hr> <h3>\u300c\u8aad\u307f\u53d6\u308a\u5c02\u7528\u5316\uff08ro\uff09\u300d\u306f\u201c\u8ca0\u3051\u201d\u3067\u306f\u306a\u304f\u3001\u72b6\u6cc1\u6574\u7406\u306e\u30c1\u30e3\u30f3\u30b9<\/h3> <p>\u73fe\u5834\u3060\u3068\u3001ro\u306b\u843d\u3061\u308b\u3068\u4e00\u6c17\u306b\u7dca\u5f35\u611f\u304c\u4e0a\u304c\u308a\u307e\u3059\u3002<\/p> <p>\u300c\u66f8\u3051\u306a\u3044\uff1d\u30b5\u30fc\u30d3\u30b9\u505c\u6b62\u3058\u3083\u3093\u2026\u300d\u300c\u3068\u308a\u3042\u3048\u305arw\u306b\u623b\u3057\u305f\u3044\u300d<\/p> <p>\u305f\u3060\u3001ro\u3078\u306e\u9077\u79fb\u306f\u201c\u5b88\u308a\u201d\u3068\u3057\u3066\u50cd\u3044\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002rw\u306b\u623b\u3059\u3053\u3068\u81ea\u4f53\u304c\u5e38\u306b\u60aa\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u623b\u3059\u524d\u306b\u6b21\u306e\u78ba\u8a8d\u3092\u3057\u3066\u304a\u304f\u3068\u3001\u5f8c\u5de5\u7a0b\uff08\u4fdd\u5168\u30fb\u5fa9\u65e7\u30fb\u518d\u767a\u9632\u6b62\uff09\u304c\u73fe\u5b9f\u7684\u306b\u306a\u308a\u307e\u3059\u3002<\/p> <ul> <li><strong>\u306a\u305cro\u306b\u843d\u3061\u305f\u304b<\/strong>\uff1a\u76f4\u524d\u306eI\/O\u30a8\u30e9\u30fc\u3084\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3001\u30ea\u30bb\u30c3\u30c8\u306e\u9023\u9396\u304c\u3042\u308b\u304b<\/li> <li><strong>\u5bfe\u8c61\u304c\u5358\u4e00\u30dc\u30ea\u30e5\u30fc\u30e0\u304b<\/strong>\uff1aRAID\/LVM\/\u4eee\u60f3\u30c7\u30a3\u30b9\u30af\u306a\u3069\u201c\u4e0b\u306b\u4f55\u304c\u3044\u308b\u304b\u201d<\/li> <li><strong>\u66f8\u304d\u8fbc\u307f\u3092\u6b62\u3081\u305f\u5834\u5408\u306e\u696d\u52d9\u5f71\u97ff<\/strong>\uff1a\u6b62\u3081\u308b\u7bc4\u56f2\u3092\u72ed\u3081\u3089\u308c\u306a\u3044\u304b\uff08\u7279\u5b9a\u30b5\u30fc\u30d3\u30b9\u306e\u307f\u505c\u6b62\u306a\u3069\uff09<\/li> <\/ul> <hr> <h3>\u3053\u306e\u7ae0\u306e\u307e\u3068\u3081\uff1a\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u306e\u30a8\u30e9\u30fc\u306f\u201c\u539f\u56e0\u306e\u78ba\u5b9a\u201d\u3067\u306f\u306a\u304f\u201c\u5c64\u306e\u89b3\u5bdf\u201d<\/h3> <p>ext4\/XFS\u306e\u30a8\u30e9\u30fc\u306f\u3001\u4e0b\u5c64\u306eI\/O\u6b20\u640d\u304c\u4e0a\u5c64\u306b\u6ce2\u53ca\u3057\u305f\u7d50\u679c\u3068\u3057\u3066\u51fa\u3066\u3044\u308b\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002\u8aad\u307f\u53d6\u308a\u5c02\u7528\u5316\u3084\u30a8\u30e9\u30fc\u9023\u767a\u306f\u3001\u5fa9\u65e7\u3092\u9060\u3056\u3051\u308b\u90aa\u9b54\u3067\u306f\u306a\u304f\u3001\u72b6\u6cc1\u3092\u6574\u3048\u308b\u5408\u56f3\u306b\u306a\u308a\u5f97\u307e\u3059\u3002\u6b21\u7ae0\u3067\u306f\u3001\u3053\u3053\u307e\u3067\u306e\u60c5\u5831\u3092\u4f7f\u3063\u3066\u300c\u3069\u3053\u307e\u3067\u58ca\u308c\u3066\u3044\u308b\u304b\u300d\u3092\u5b9a\u91cf\u5316\u3057\u3001\u5fa9\u65e7\u65b9\u91dd\u3092\u6c7a\u3081\u3084\u3059\u304f\u3057\u307e\u3059\u3002<\/p> \r\n\r\n<a id=\"sec07\"><\/a>\r\n\r\n<p>\u3000<\/p> <h2 style=\"font-size:1.2em; font-weight:bold; text-decoration:underline;\">\u7b2c7\u7ae0\uff1a\u5f71\u97ff\u7bc4\u56f2\u3092\u5b9a\u91cf\u5316\u3059\u308b\u2500\u2500\u300c\u9032\u884c\u4e2d\u969c\u5bb3\u300d\u3092\u898b\u629c\u304f\u8aad\u307f\u53d6\u308a\u691c\u8a3c\u306e\u8003\u3048\u65b9<\/h2> <p>EIO\u5bfe\u5fdc\u3067\u3064\u3089\u3044\u306e\u306f\u3001\u300c\u76f4\u3063\u305f\u306e\u304b\u3001\u305f\u307e\u305f\u307e\u9759\u304b\u306b\u306a\u3063\u305f\u3060\u3051\u306a\u306e\u304b\u300d\u304c\u5206\u304b\u3089\u306a\u3044\u3053\u3068\u3067\u3059\u3002\u3053\u3053\u3067\u5fc5\u8981\u306a\u306e\u306f\u3001\u6c17\u5408\u3067\u306f\u306a\u304f<strong>\u5b9a\u91cf\u5316<\/strong>\u3067\u3059\u3002<\/p> <p>\u300c\u4ea4\u63db\u3057\u305f\u3057\u3001\u30ed\u30b0\u3082\u843d\u3061\u7740\u3044\u305f\u3002\u2026\u3067\u3082\u3001\u660e\u65e5\u307e\u305f\u51fa\u305f\u3089\u8aac\u660e\u3067\u304d\u306a\u3044\u300d<\/p> <p>\u3053\u306e\u4e0d\u5b89\u306b\u7b54\u3048\u308b\u306e\u304c\u3001\u5f71\u97ff\u7bc4\u56f2\u306e\u628a\u63e1\u3068\u8aad\u307f\u53d6\u308a\u691c\u8a3c\u3067\u3059\u3002\u76ee\u7684\u306f\u201c\u5b8c\u5168\u8a3a\u65ad\u201d\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<strong>\u30ea\u30b9\u30af\u306e\u6fc3\u6de1\u3092\u898b\u3048\u308b\u5316\u3057\u3066\u3001\u6b21\u306e\u4e00\u624b\u306b\u6b6f\u6b62\u3081\u3092\u304b\u3051\u308b<\/strong>\u3053\u3068\u3067\u3059\u3002<\/p> <hr> <h3>\u5b9a\u91cf\u5316\u306e\u8ef8\u306f2\u3064\uff1a\u300c\u5c40\u6240\u300d\u304b\u300c\u5e83\u57df\u300d\u304b\uff0f\u300c\u518d\u73fe\u300d\u3059\u308b\u304b<\/h3> <p>EIO\u304c\u5c40\u6240\uff08\u7279\u5b9a\u30d5\u30a1\u30a4\u30eb\u3001\u7279\u5b9a\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3001\u7279\u5b9aLBA\u4ed8\u8fd1\uff09\u306b\u504f\u3063\u3066\u3044\u308b\u306e\u304b\u3001\u5e83\u57df\uff08\u5168\u4f53\u7684\u306b\u9045\u3044\u3001\u5404\u6240\u3067\u5931\u6557\uff09\u306a\u306e\u304b\u3067\u3001\u5fa9\u65e7\u306e\u6226\u7565\u304c\u5909\u308f\u308a\u307e\u3059\u3002\u307e\u305f\u3001\u518d\u73fe\u6027\u304c\u3042\u308b\u306a\u3089\u539f\u56e0\u5c64\u306e\u7279\u5b9a\u304c\u9032\u307f\u307e\u3059\u3002<\/p> <table style=\"border-collapse:collapse; width:100%;\"> <tr> <th style=\"background-color:#eeeeee; border:1px solid #999; padding:6px;\">\u89b3\u70b9<\/th> <th style=\"background-color:#eeeeee; border:1px solid #999; padding:6px;\">\u5c40\u6240\u306b\u504f\u308b<\/th> <th style=\"background-color:#eeeeee; border:1px solid #999; padding:6px;\">\u5e83\u57df\u306b\u5e83\u304c\u308b<\/th> <\/tr> <tr> <td style=\"background-color:#eeeeee; border:1px solid #999; padding:6px;\">\u793a\u5506<\/td> <td style=\"border:1px solid #999; padding:6px;\">\u4e0d\u826f\u9818\u57df\u306e\u5b58\u5728\u3001\u7279\u5b9a\u30e1\u30bf\u30c7\u30fc\u30bf\u7834\u640d\u3001\u90e8\u5206\u7684\u52a3\u5316\u306e\u53ef\u80fd\u6027<\/td> <td style=\"border:1px solid #999; padding:6px;\">\u30ea\u30f3\u30af\/\u96fb\u6e90\/\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u4e0d\u8abf\u3001\u5a92\u4f53\u5168\u4f53\u306e\u52a3\u5316\u3001\u8ca0\u8377\u7531\u6765\u306e\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8<\/td> <\/tr> <tr> <td style=\"background-color:#eeeeee; border:1px solid #999; padding:6px;\">\u53d6\u308b\u3079\u304d\u59ff\u52e2<\/td> <td style=\"border:1px solid #999; padding:6px;\">\u201c\u89e6\u3089\u306a\u3044\u9818\u57df\u201d\u3092\u660e\u78ba\u306b\u3057\u3001\u4fdd\u5168\u512a\u5148\u306e\u5224\u65ad\u3078<\/td> <td style=\"border:1px solid #999; padding:6px;\">\u69cb\u6210\u5168\u4f53\u306e\u898b\u76f4\u3057\u3068\u3001\u65e9\u671f\u306e\u5c02\u9580\u5bfe\u5fdc\u3092\u691c\u8a0e<\/td> <\/tr> <\/table> <hr> <h3>\u8aad\u307f\u53d6\u308a\u691c\u8a3c\u306f\u300c\u5b89\u5168\u306a\u7bc4\u56f2\u300d\u304b\u3089\uff1a\u66f8\u304d\u8fbc\u307f\u3092\u5897\u3084\u3055\u306a\u3044\u8a2d\u8a08<\/h3> <p>\u691c\u8a3c\u3067\u3084\u308a\u304c\u3061\u306a\u306e\u304c\u3001\u300c\u3064\u3044\u3067\u306b\u4fee\u5fa9\u300d\u300c\u3064\u3044\u3067\u306b\u6574\u7406\u300d\u300c\u3064\u3044\u3067\u306b\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u300d\u3067\u3059\u3002\u3053\u308c\u304c\u72b6\u6cc1\u3092\u60aa\u5316\u3055\u305b\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u691c\u8a3c\u306f\u3042\u304f\u307e\u3067\u3001<strong>\u8aad\u307f\u53d6\u308a\u4e2d\u5fc3\u30fb\u6700\u5c0f\u9650\u306e\u8ca0\u8377<\/strong>\u3067\u884c\u3044\u3001\u300c\u4f55\u304c\u3069\u308c\u3060\u3051\u602a\u3057\u3044\u304b\u300d\u3092\u898b\u308b\u306e\u304c\u4e3b\u773c\u3067\u3059\u3002<\/p> <ul> <li><strong>\u6642\u9593\u5e2f\u3092\u9078\u3076<\/strong>\uff1a\u696d\u52d9\u30d4\u30fc\u30af\u3092\u907f\u3051\u3001\u8ffd\u52a0\u8ca0\u8377\u306b\u3088\u308b\u8aa4\u5224\u5b9a\u3092\u6e1b\u3089\u3059<\/li> <li><strong>\u7bc4\u56f2\u3092\u9650\u5b9a\u3059\u308b<\/strong>\uff1a\u5168\u9818\u57df\u30b9\u30ad\u30e3\u30f3\u306b\u98db\u3073\u3064\u304b\u305a\u3001\u4ee3\u8868\u9818\u57df\u3084\u91cd\u8981\u30c7\u30fc\u30bf\u5468\u8fba\u304b\u3089<\/li> <li><strong>\u30a8\u30e9\u30fc\u7387\u30fb\u9045\u5ef6<\/strong>\uff1a\u5931\u6557\u306e\u4ef6\u6570\u3060\u3051\u3067\u306a\u304f\u3001\u6975\u7aef\u306a\u9045\u5ef6\uff08\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u5bf8\u524d\uff09\u304c\u5897\u3048\u3066\u3044\u306a\u3044\u304b<\/li> <\/ul> <p>\u3053\u3053\u3067\u300c\u691c\u8a3c\u3067\u30a8\u30e9\u30fc\u304c\u5897\u3048\u308b\u300d\u306a\u3089\u3001\u969c\u5bb3\u304c\u9032\u884c\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u4e0a\u304c\u308a\u307e\u3059\u3002\u9006\u306b\u300c\u691c\u8a3c\u306f\u901a\u308b\u304c\u3001\u7279\u5b9a\u306e\u8ca0\u8377\u3067\u843d\u3061\u308b\u300d\u306a\u3089\u3001\u96fb\u6e90\u3084\u6e29\u5ea6\u3001\u30ea\u30f3\u30af\u4e0d\u5b89\u5b9a\u306e\u3088\u3046\u306a\u201c\u6761\u4ef6\u4f9d\u5b58\u201d\u304c\u7591\u3048\u307e\u3059\u3002<\/p> <hr> <h3>\u3053\u306e\u7ae0\u306e\u307e\u3068\u3081\uff1a\u5b9a\u91cf\u5316\u306f\u3001\u8aac\u660e\u8cac\u4efb\u3068\u5fa9\u65e7\u6226\u7565\u306e\u4e21\u65b9\u3092\u697d\u306b\u3059\u308b<\/h3> <p>EIO\u5bfe\u5fdc\u306f\u3001\u6280\u8853\u3060\u3051\u3067\u306a\u304f\u300c\u8aac\u660e\u300d\u304c\u96e3\u3057\u3044\u9818\u57df\u3067\u3059\u3002\u5f71\u97ff\u7bc4\u56f2\u3068\u518d\u73fe\u6027\u3092\u5b9a\u91cf\u5316\u3067\u304d\u308b\u3068\u3001\u4e0a\u53f8\u30fb\u5f79\u54e1\u3078\u306e\u5831\u544a\u3082\u3001\u5fa9\u65e7\u306e\u512a\u5148\u9806\u4f4d\u4ed8\u3051\u3082\u3001\u6025\u306b\u73fe\u5b9f\u7684\u306b\u306a\u308a\u307e\u3059\u3002\u6b21\u7ae0\u3067\u306f\u3001\u3053\u3053\u307e\u3067\u306e\u4f0f\u7dda\u3092\u56de\u53ce\u3059\u308b\u5f62\u3067\u3001\u30c7\u30fc\u30bf\u5fa9\u65e7\u3067\u6700\u3082\u91cd\u8981\u306b\u306a\u308a\u3084\u3059\u3044\u201c\u4fdd\u5168\uff08\u30a4\u30e1\u30fc\u30b8\u53d6\u5f97\uff09\u201d\u306e\u8a2d\u8a08\u3092\u6574\u7406\u3057\u307e\u3059\u3002<\/p> \r\n\r\n<a id=\"sec08\"><\/a>\r\n\r\n<p>\u3000<\/p> <h2 style=\"font-size:1.2em; font-weight:bold; text-decoration:underline;\">\u7b2c8\u7ae0\uff1a\u5fa9\u65e7\u306e\u4f0f\u7dda\u306f\u201c\u4fdd\u5168\u201d\u306b\u3042\u308b\u2500\u2500\u30a4\u30e1\u30fc\u30b8\u53d6\u5f97\u3092\u5148\u306b\u3084\u308b\u8a2d\u8a08\uff08ddrescue\u7b49\uff09<\/h2> <p>EIO\u304c\u7d61\u3080\u5fa9\u65e7\u3067\u3001\u6700\u7d42\u7684\u306b\u5dee\u304c\u4ed8\u304f\u306e\u306f\u300c\u5fa9\u65e7\u30c4\u30fc\u30eb\u306e\u8155\u524d\u300d\u3088\u308a\u3082\u3001<strong>\u4fdd\u5168\u306e\u8a2d\u8a08<\/strong>\u3067\u3042\u308b\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002\u3053\u3053\u3067\u8a00\u3046\u4fdd\u5168\u3068\u306f\u3001\u73fe\u7269\u306b\u5bfe\u3057\u3066\u8a66\u884c\u932f\u8aa4\u3092\u7e70\u308a\u8fd4\u3059\u306e\u3067\u306f\u306a\u304f\u3001<strong>\u307e\u305a\u5b89\u5168\u306b\u8aad\u307f\u51fa\u305b\u308b\u7bc4\u56f2\u3092\u8907\u88fd\uff08\u30a4\u30e1\u30fc\u30b8\u5316\uff09\u3057\u3001\u4f5c\u696d\u3092\u201c\u30b3\u30d4\u30fc\u5074\u201d\u3067\u9032\u3081\u308b<\/strong>\u8003\u3048\u65b9\u3067\u3059\u3002<\/p> <p>\u73fe\u5834\u306e\u672c\u97f3\u306f\u3053\u3046\u3067\u3059\u3002<\/p> <p>\u300c\u7d50\u5c40\u3001\u89e6\u308c\u3070\u89e6\u308b\u307b\u3069\u58ca\u308c\u305d\u3046\u3002\u3058\u3083\u3042\u3069\u3046\u3059\u308c\u3070\u3044\u3044\u306e\uff1f\u300d<\/p> <p>\u305d\u306e\u7b54\u3048\u304c\u3001\u4fdd\u5168\u3067\u3059\u3002\u3053\u308c\u306f\u30d5\u30a9\u30ec\u30f3\u30b8\u30c3\u30af\u3067\u3082\u30c7\u30fc\u30bf\u5fa9\u65e7\u3067\u3082\u57fa\u672c\u3067\u3001\u7406\u7531\u306f\u30b7\u30f3\u30d7\u30eb\u3067\u3059\u3002<strong>\u73fe\u7269\u306f\u4e00\u3064\u3001\u3084\u308a\u76f4\u3057\u304c\u5229\u304b\u306a\u3044<\/strong>\u304b\u3089\u3067\u3059\u3002<\/p> <hr> <h3>\u306a\u305c\u30a4\u30e1\u30fc\u30b8\u53d6\u5f97\u304c\u52b9\u304f\u306e\u304b\uff1a\u73fe\u7269\u3078\u306e\u30a2\u30af\u30bb\u30b9\u56de\u6570\u3092\u201c\u6291\u3048\u8fbc\u307f\u201d\u3067\u304d\u308b<\/h3> <p>\u969c\u5bb3\u30c7\u30a3\u30b9\u30af\u306f\u3001\u8aad\u307f\u53d6\u308a\u306b\u6210\u529f\u3057\u305f\u308a\u5931\u6557\u3057\u305f\u308a\u3057\u307e\u3059\u3002\u73fe\u7269\u306b\u5bfe\u3057\u3066\u300c\u4f55\u5ea6\u3082\u540c\u3058\u30d5\u30a1\u30a4\u30eb\u3092\u8aad\u307f\u76f4\u3059\u300d\u300c\u5fa9\u65e7\u30c4\u30fc\u30eb\u3092\u5909\u3048\u3066\u4f55\u56de\u3082\u8d70\u3089\u305b\u308b\u300d\u3068\u3001\u305d\u306e\u3076\u3093I\/O\u304c\u5897\u3048\u3001\u75c7\u72b6\u304c\u9032\u3080\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p> <p>\u4e00\u65b9\u3001\u30a4\u30e1\u30fc\u30b8\uff08\u8907\u88fd\uff09\u304c\u4f5c\u308c\u3066\u3057\u307e\u3048\u3070\u3001\u8a66\u884c\u932f\u8aa4\u306f\u30b3\u30d4\u30fc\u5074\u3067\u884c\u3048\u307e\u3059\u3002\u73fe\u7269\u306b\u5bfe\u3059\u308b\u30a2\u30af\u30bb\u30b9\u306f\u3001<strong>\u4e00\u56de\uff08\u307e\u305f\u306f\u6700\u5c0f\u56de\u6570\uff09\u306b\u8fd1\u3065\u3051\u308b<\/strong>\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u304c\u88ab\u5bb3\u6700\u5c0f\u5316\u306b\u76f4\u7d50\u3057\u307e\u3059\u3002<\/p> <hr> <h3>\u300c\u901f\u304f\u5168\u90e8\u8aad\u3080\u300d\u3067\u306f\u306a\u304f\u300c\u8aad\u3081\u308b\u3068\u3053\u308d\u304b\u3089\u78ba\u4fdd\u3059\u308b\u300d<\/h3> <p>\u3053\u3053\u3067\u91cd\u8981\u306a\u306e\u306f\u3001\u5b8c\u74a7\u4e3b\u7fa9\u3092\u6368\u3066\u308b\u3053\u3068\u3067\u3059\u3002EIO\u306e\u3042\u308b\u5a92\u4f53\u306f\u3001\u5168\u9818\u57df\u3092\u5747\u7b49\u306b\u8aad\u3081\u308b\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002\u8aad\u307f\u3084\u3059\u3044\u9818\u57df\u3092\u5148\u306b\u78ba\u4fdd\u3057\u3001\u96e3\u6240\u306f\u5f8c\u56de\u3057\u306b\u3059\u308b\u3001\u3068\u3044\u3046\u767a\u60f3\u304c\u73fe\u5b9f\u7684\u3067\u3059\u3002<\/p> <ul> <li><strong>\u5148\u306b\u201c\u53d6\u308c\u308b\u30c7\u30fc\u30bf\u201d\u3092\u78ba\u4fdd<\/strong>\uff1a\u91cd\u8981\u30c7\u30fc\u30bf\u306e\u55aa\u5931\u30ea\u30b9\u30af\u3092\u4e0b\u3052\u308b<\/li> <li><strong>\u96e3\u6240\u306f\u5f8c\u3067\u6226\u3046<\/strong>\uff1a\u30a8\u30e9\u30fc\u306e\u591a\u3044\u9818\u57df\u306b\u7a81\u3063\u8fbc\u307f\u7d9a\u3051\u306a\u3044<\/li> <li><strong>\u9032\u884c\u5ea6\u3092\u8a18\u9332<\/strong>\uff1a\u3069\u3053\u304c\u8aad\u3081\u305f\/\u8aad\u3081\u306a\u3044\u306e\u304b\u3092\u5f8c\u3067\u8aac\u660e\u3067\u304d\u308b<\/li> <\/ul> <p>\u3053\u306e\u300c\u8aad\u3081\u308b\u3068\u3053\u308d\u304b\u3089\u78ba\u4fdd\u3059\u308b\u300d\u601d\u60f3\u306f\u3001\u5c02\u7528\u30c4\u30fc\u30eb\uff08\u4f8b\uff1addrescue\u306e\u3088\u3046\u306b\u3001\u8aad\u3081\u305f\u7bc4\u56f2\u3068\u672a\u8aad\u7bc4\u56f2\u3092\u8a18\u9332\u3057\u306a\u304c\u3089\u9032\u3081\u308b\u30bf\u30a4\u30d7\uff09\u3068\u76f8\u6027\u304c\u826f\u3044\u3067\u3059\u3002\u305f\u3060\u3057\u3001\u74b0\u5883\u3084\u69cb\u6210\u306b\u3088\u3063\u3066\u306f\u5358\u7d14\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002RAID\u3084\u6697\u53f7\u5316\u3001\u4eee\u60f3\u30c7\u30a3\u30b9\u30af\u306e\u4e0a\u306b\u4e57\u3063\u3066\u3044\u308b\u5834\u5408\u3001\u30a4\u30e1\u30fc\u30b8\u306e\u53d6\u308a\u65b9\u305d\u306e\u3082\u306e\u304c\u8a2d\u8a08\u8ab2\u984c\u306b\u306a\u308a\u307e\u3059\uff08\u3053\u306e\u70b9\u306f\u6b21\u7ae0\u3067\u6271\u3044\u307e\u3059\uff09\u3002<\/p> <hr> <h3>\u4fdd\u5168\u3067\u201c\u5fc5\u305a\u4e00\u7dd2\u306b\u6b8b\u3059\u3082\u306e\u201d\uff1a\u69cb\u6210\u60c5\u5831\u3068\u6642\u70b9\u60c5\u5831<\/h3> <p>\u30a4\u30e1\u30fc\u30b8\u3060\u3051\u53d6\u3063\u3066\u3082\u3001\u69cb\u6210\u304c\u5206\u304b\u3089\u306a\u3051\u308c\u3070\u5fa9\u5143\u3067\u304d\u306a\u3044\u30b1\u30fc\u30b9\u304c\u3042\u308a\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u4fdd\u5168\u3067\u306f\u300c\u30c7\u30fc\u30bf\u300d\u3068\u540c\u3058\u304f\u3089\u3044\u300c\u60c5\u5831\u300d\u3092\u6b8b\u3057\u307e\u3059\u3002<\/p> <ul> <li><strong>\u69cb\u6210\u60c5\u5831<\/strong>\uff1aRAID\u30ec\u30d9\u30eb\u3001\u30c7\u30a3\u30b9\u30af\u9806\u5e8f\u3001LVM\u69cb\u6210\u3001\u6697\u53f7\u5316\u306e\u6709\u7121\u3001\u4eee\u60f3\u5316\u30b9\u30c8\u30ec\u30fc\u30b8\u306e\u7a2e\u5225<\/li> <li><strong>\u6642\u70b9\u60c5\u5831<\/strong>\uff1a\u3044\u3064\u53d6\u5f97\u3057\u305f\u304b\u3001\u53d6\u5f97\u6642\u306e\u30ed\u30b0\u306e\u72b6\u6cc1\u3001\u30a8\u30e9\u30fc\u306e\u983b\u5ea6<\/li> <li><strong>\u6574\u5408\u78ba\u8a8d<\/strong>\uff1a\u53ef\u80fd\u306a\u7bc4\u56f2\u3067\u30cf\u30c3\u30b7\u30e5\u7b49\u306b\u3088\u308a\u201c\u540c\u4e00\u6027\u201d\u3092\u8aac\u660e\u3067\u304d\u308b\u5f62\u306b\u3059\u308b<\/li> <\/ul> <p>\u3053\u306e\u3042\u305f\u308a\u304b\u3089\u3001\u300c\u4e00\u822c\u8ad6\u3060\u3051\u3067\u306f\u6c7a\u3081\u3089\u308c\u306a\u3044\u300d\u9818\u57df\u304c\u5897\u3048\u3066\u304d\u307e\u3059\u3002\u696d\u52d9\u3092\u6b62\u3081\u3089\u308c\u306a\u3044\u5236\u7d04\u3001\u69cb\u6210\u306e\u8907\u96d1\u3055\u3001\u4fdd\u5168\u5148\u30b9\u30c8\u30ec\u30fc\u30b8\u306e\u5bb9\u91cf\u3001\u53d6\u308a\u5916\u3057\u53ef\u5426\u306a\u3069\u3001\u73fe\u5834\u3054\u3068\u306e\u6761\u4ef6\u3067\u6700\u9069\u89e3\u304c\u5909\u308f\u308b\u304b\u3089\u3067\u3059\u3002\u3060\u304b\u3089\u3053\u305d\u3001\u5f8c\u534a\u3067\u201c\u5c02\u9580\u5bb6\u306b\u76f8\u8ac7\u3059\u3079\u304d\u7406\u7531\u201d\u304c\u81ea\u7136\u306b\u3064\u306a\u304c\u3063\u3066\u304d\u307e\u3059\u3002<\/p> <hr> <h3>\u3053\u306e\u7ae0\u306e\u307e\u3068\u3081\uff1a\u5fa9\u65e7\u306e\u6210\u5426\u306f\u3001\u4fdd\u5168\u3067\u201c\u8edf\u7740\u9678\u201d\u3067\u304d\u308b\u304b\u306b\u304b\u304b\u308b<\/h3> <p>EIO\u306e\u3042\u308b\u5fa9\u65e7\u306f\u3001\u73fe\u7269\u306b\u8a66\u884c\u932f\u8aa4\u3092\u7a4d\u3080\u307b\u3069\u82e6\u3057\u304f\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305a\u4fdd\u5168\u3057\u3066\u3001\u73fe\u7269\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u6291\u3048\u8fbc\u307f\u3001\u30b3\u30d4\u30fc\u5074\u3067\u5224\u65ad\u3068\u4f5c\u696d\u3092\u9032\u3081\u308b\u3002\u3053\u308c\u304c\u5fa9\u65e7\u3092\u8edf\u7740\u9678\u3055\u305b\u308b\u57fa\u672c\u6226\u7565\u3067\u3059\u3002\u6b21\u7ae0\u3067\u306f\u3001RAID\/LVM\/\u4eee\u60f3\u5316\u304c\u7d61\u3080\u3068\u4fdd\u5168\u3068\u5fa9\u65e7\u304c\u3069\u3046\u96e3\u3057\u304f\u306a\u308b\u306e\u304b\u3001\u305d\u3057\u3066\u300c\u518d\u69cb\u7bc9\u3088\u308a\u5148\u306b\u78ba\u8a8d\u3059\u3079\u304d\u3053\u3068\u300d\u3092\u6574\u7406\u3057\u307e\u3059\u3002<\/p> \r\n\r\n<a id=\"sec09\"><\/a>\r\n\r\n<p>\u3000<\/p> <h2 style=\"font-size:1.2em; font-weight:bold; text-decoration:underline;\">\u7b2c9\u7ae0\uff1aRAID\uff0fLVM\uff0f\u4eee\u60f3\u5316\u3067\u8907\u96d1\u5316\u3059\u308bEIO\u2500\u2500\u518d\u69cb\u7bc9\u3088\u308a\u5148\u306b\u78ba\u8a8d\u3059\u3079\u304d\u4f9d\u5b58\u95a2\u4fc2<\/h2> <p>EIO\u304c\u51fa\u3066\u3044\u308b\u74b0\u5883\u304c\u3001\u5358\u4f53\u30c7\u30a3\u30b9\u30af\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002\u3080\u3057\u308d\u73fe\u5834\u3067\u306f\u3001RAID\uff08\u30cf\u30fc\u30c9\/\u30bd\u30d5\u30c8\uff09\u3001LVM\u3001\u6697\u53f7\u5316\u3001\u4eee\u60f3\u5316\u30b9\u30c8\u30ec\u30fc\u30b8\u306e\u4e0a\u306b\u30a2\u30d7\u30ea\u304c\u8f09\u3063\u3066\u3044\u3066\u3001<strong>\u300c\u898b\u3048\u3066\u3044\u308b\/dev\u304c\u201c\u672c\u4f53\u201d\u3067\u306f\u306a\u3044<\/strong>\u300d\u3053\u3068\u304c\u666e\u901a\u3067\u3059\u3002<\/p> <p>\u3053\u3053\u3067\u7a7a\u6c17\u304c\u904e\u71b1\u3057\u3084\u3059\u3044\u306e\u304c\u3001\u6b21\u306e\u5834\u9762\u3067\u3059\u3002<\/p> <p>\u300cRAID\u304cdegraded\u306b\u306a\u3063\u3066\u308b\u3002\u3068\u308a\u3042\u3048\u305a\u518d\u69cb\u7bc9\uff08rebuild\uff09\u56de\u3059\uff1f\u300d\u300c\u3068\u306b\u304b\u304f\u5197\u9577\u6027\u3092\u623b\u3057\u305f\u3044\u300d<\/p> <p>\u6c17\u6301\u3061\u306f\u5206\u304b\u308a\u307e\u3059\u3002\u305f\u3060\u3001EIO\u304c\u7d61\u3080\u3068\u304d\u306b\u518d\u69cb\u7bc9\u3092\u6025\u3050\u3068\u3001\u72b6\u6cc1\u304c\u53ce\u675f\u305b\u305a\u306b\u60aa\u5316\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u7406\u7531\u306f\u5358\u7d14\u3067\u3001\u518d\u69cb\u7bc9\u3084\u518d\u540c\u671f\u306f<strong>\u5927\u91cf\u306e\u8aad\u307f\u66f8\u304d<\/strong>\u3092\u767a\u751f\u3055\u305b\u3001\u3082\u3068\u3082\u3068\u4e0d\u5b89\u5b9a\u306a\u5c64\u306b\u5f37\u3044\u8ca0\u8377\u3092\u639b\u3051\u308b\u304b\u3089\u3067\u3059\u3002<\/p> <hr> <h3>\u201c\u898b\u3048\u3066\u3044\u308b\u30a8\u30e9\u30fc\u201d\u304c\u3069\u306e\u5c64\u306e\u3082\u306e\u304b\u3092\u6574\u7406\u3059\u308b<\/h3> <p>\u8907\u5408\u69cb\u6210\u3067\u306f\u3001\u540c\u3058EIO\u3067\u3082\u300c\u3069\u306e\u5c64\u3067I\/O\u304c\u6b20\u3051\u305f\u304b\u300d\u306b\u3088\u3063\u3066\u3001\u6253\u3064\u624b\u304c\u5909\u308f\u308a\u307e\u3059\u3002\u307e\u305a\u306f\u4f9d\u5b58\u95a2\u4fc2\u3092\u8a00\u8a9e\u5316\u3057\u307e\u3059\u3002<\/p> <ul> <li><strong>\u7269\u7406\u30c7\u30a3\u30b9\u30af<\/strong>\uff08HDD\/SSD\/NVMe\uff09<\/li> <li><strong>\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9<\/strong>\uff08HBA\/RAID\u30ab\u30fc\u30c9\/\u30d0\u30c3\u30af\u30d7\u30ec\u30fc\u30f3\uff09<\/li> <li><strong>RAID\u5c64<\/strong>\uff08mdadm\u3084\u30cf\u30fc\u30c9RAID\uff09<\/li> <li><strong>\u6697\u53f7\u5316<\/strong>\uff08dm-crypt\u7b49\uff09<\/li> <li><strong>LVM<\/strong>\uff08PV\/VG\/LV\u3001thin\u7b49\uff09<\/li> <li><strong>\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0<\/strong>\uff08ext4\/XFS\u7b49\uff09<\/li> <li><strong>\u4eee\u60f3\u30c7\u30a3\u30b9\u30af<\/strong>\uff08VM\u306evmdk\u7b49\u3001\u30b3\u30f3\u30c6\u30ca\u306e\u6c38\u7d9a\u30dc\u30ea\u30e5\u30fc\u30e0\u7b49\uff09<\/li> <\/ul> <p>\u3053\u306e\u201c\u7a4d\u307f\u4e0a\u3052\u201d\u304c\u3042\u308b\u3068\u3001\/dev\/dm-0\u3067EIO\u304c\u51fa\u305f\u3068\u304d\u306b\u3001\u4e0b\u5c64\u306e\u3069\u3053\u3078\u964d\u308a\u3066\u78ba\u8a8d\u3059\u3079\u304d\u304b\u304c\u898b\u3048\u307e\u3059\u3002\u9006\u306b\u3001\u3053\u306e\u6574\u7406\u304c\u306a\u3044\u307e\u307e\u4f5c\u696d\u3092\u59cb\u3081\u308b\u3068\u3001\u5fa9\u65e7\u3057\u305f\u3044\u30c7\u30fc\u30bf\u306e\u571f\u53f0\u3092\u81ea\u5206\u3067\u63fa\u3089\u3057\u3066\u3057\u307e\u3046\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p> <hr> <h3>\u518d\u69cb\u7bc9\uff08rebuild\uff09\u3084\u518d\u540c\u671f\uff08resync\uff09\u3092\u6025\u3050\u3068\u5371\u306a\u3044\u7406\u7531<\/h3> <p>\u5197\u9577\u6027\u3092\u623b\u3059\u884c\u70ba\u306f\u3001\u672c\u6765\u306f\u6b63\u3057\u3044\u3067\u3059\u3002\u3057\u304b\u3057\u201c\u969c\u5bb3\u304c\u9032\u884c\u4e2d\u201d\u306e\u3068\u304d\u306f\u3001\u518d\u69cb\u7bc9\u304c\u5f15\u304d\u91d1\u306b\u306a\u308a\u5f97\u307e\u3059\u3002<\/p> <ul> <li><strong>\u8ca0\u8377\u304c\u8df3\u306d\u4e0a\u304c\u308b<\/strong>\uff1a\u5168\u30c7\u30a3\u30b9\u30af\u3092\u6a2a\u65ad\u3057\u3066\u8aad\u307f\u3001\u518d\u8a08\u7b97\u3057\u3001\u66f8\u304d\u8fbc\u3080\u305f\u3081\u3001I\/O\u304c\u5897\u3048\u308b\u3002<\/li> <li><strong>\u6f5c\u5728\u4e0d\u826f\u304c\u9732\u898b\u3059\u308b<\/strong>\uff1a\u666e\u6bb5\u8aad\u307e\u306a\u3044\u9818\u57df\u3092\u8aad\u3080\u3053\u3068\u3067\u3001\u5225\u30c7\u30a3\u30b9\u30af\u306e\u8aad\u307f\u53d6\u308a\u56f0\u96e3\u304c\u8868\u9762\u5316\u3057\u3084\u3059\u3044\u3002<\/li> <li><strong>\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u304c\u9023\u9396\u3059\u308b<\/strong>\uff1a\u30ea\u30f3\u30af\u3084\u96fb\u6e90\u3001\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u304c\u4e0d\u5b89\u5b9a\u3060\u3068\u3001\u518d\u8a66\u884c\u304c\u5897\u3048\u3066\u5168\u4f53\u304c\u9045\u304f\u306a\u308b\u3002<\/li> <\/ul> <p>\u8981\u3059\u308b\u306b\u3001\u518d\u69cb\u7bc9\u306f\u201c\u5065\u5eb7\u8a3a\u65ad\u3068\u7b4b\u30c8\u30ec\u3092\u540c\u6642\u306b\u3084\u308b\u201d\u3088\u3046\u306a\u3082\u306e\u3067\u3001\u4f53\u8abf\u304c\u60aa\u3044\u3068\u304d\u306b\u3084\u308b\u3068\u5012\u308c\u307e\u3059\u3002\u3053\u3053\u3067\u5fc5\u8981\u306a\u306e\u306f\u3001\u518d\u69cb\u7bc9\u306e\u662f\u975e\u305d\u306e\u3082\u306e\u3088\u308a\u3001<strong>\u518d\u69cb\u7bc9\u306e\u524d\u306b\u4fdd\u5168\u3084\u5207\u308a\u5206\u3051\u3067\u6b6f\u6b62\u3081\u3092\u639b\u3051\u3089\u308c\u3066\u3044\u308b\u304b<\/strong>\u3067\u3059\u3002<\/p> <hr> <h3>\u4fdd\u5168\u306e\u5358\u4f4d\u3092\u9593\u9055\u3048\u306a\u3044\uff1a\u30c7\u30a3\u30b9\u30af\u5358\u4f53\u304b\u3001RAID\u306e\u8ad6\u7406\u5358\u4f4d\u304b<\/h3> <p>\u4fdd\u5168\uff08\u30a4\u30e1\u30fc\u30b8\u53d6\u5f97\uff09\u3082\u3001\u8907\u5408\u69cb\u6210\u3067\u306f\u8a2d\u8a08\u304c\u8981\u308a\u307e\u3059\u3002\u5358\u4f53\u30c7\u30a3\u30b9\u30af\u3092\u305d\u306e\u307e\u307e\u8907\u88fd\u3059\u3079\u304d\u304b\u3001RAID\u306e\u8ad6\u7406\u30dc\u30ea\u30e5\u30fc\u30e0\uff08\u30a2\u30ec\u30a4\u3068\u3057\u3066\u898b\u3048\u3066\u3044\u308b\u30c7\u30d0\u30a4\u30b9\uff09\u3092\u8907\u88fd\u3059\u3079\u304d\u304b\u306f\u3001\u69cb\u6210\u3068\u969c\u5bb3\u70b9\u3067\u5909\u308f\u308a\u307e\u3059\u3002<\/p> <p>\u4f8b\u3048\u3070\u3001RAID\u30ab\u30fc\u30c9\u914d\u4e0b\u3067\u500b\u5225\u30c7\u30a3\u30b9\u30af\u3078\u7d20\u76f4\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u3044\u5834\u5408\u3084\u3001\u8ad6\u7406\u30dc\u30ea\u30e5\u30fc\u30e0\u3068\u3057\u3066\u306e\u8aad\u307f\u51fa\u3057\u304c\u6bd4\u8f03\u7684\u5b89\u5b9a\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u307e\u305a\u306f\u8ad6\u7406\u5074\u3067\u5b89\u5168\u306b\u78ba\u4fdd\u3059\u308b\u5224\u65ad\u304c\u73fe\u5b9f\u7684\u306a\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u4e00\u65b9\u3067\u3001RAID\u81ea\u4f53\u304c\u4e0d\u5b89\u5b9a\u306a\u3089\u3001\u500b\u5225\u30c7\u30a3\u30b9\u30af\u5074\u306e\u72b6\u614b\u3092\u62bc\u3055\u3048\u306a\u3044\u3068\u5fa9\u65e7\u304c\u96e3\u3057\u304f\u306a\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002<\/p> <p>\u3053\u3053\u306f\u4e00\u822c\u8ad6\u3067\u300c\u3053\u308c\u304c\u6b63\u89e3\u300d\u3068\u8a00\u3044\u5207\u308c\u307e\u305b\u3093\u3002\u69cb\u6210\uff08RAID\u30ec\u30d9\u30eb\u3001\u6545\u969c\u30c7\u30a3\u30b9\u30af\u6570\u3001\u30db\u30c3\u30c8\u30b9\u30da\u30a2\u306e\u6709\u7121\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u8a2d\u5b9a\uff09\u3068\u3001\u30ed\u30b0\u306e\u6319\u52d5\uff08\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u306e\u8d77\u70b9\uff09\u304c\u7d61\u3080\u304b\u3089\u3067\u3059\u3002\u3060\u304b\u3089\u3053\u305d\u3001\u6b21\u7ae0\u306e\u201c\u5e30\u7d50\u201d\u3067\u3001\u5c02\u9580\u5bb6\u76f8\u8ac7\u306e\u5fc5\u7136\u6027\u306b\u3064\u306a\u304c\u3063\u3066\u3044\u304d\u307e\u3059\u3002<\/p> <hr> <h3>\u3053\u306e\u7ae0\u306e\u307e\u3068\u3081\uff1a\u8907\u5408\u69cb\u6210\u3067\u306f\u300c\u624b\u5f53\u3066\u300d\u3088\u308a\u5148\u306b\u300c\u5730\u56f3\u300d\u3092\u4f5c\u308b<\/h3> <p>RAID\/LVM\/\u4eee\u60f3\u5316\u304c\u7d61\u3080EIO\u3067\u306f\u3001\u65e9\u304f\u76f4\u305d\u3046\u3068\u3059\u308b\u307b\u3069\u8ff7\u8def\u306b\u5165\u308a\u307e\u3059\u3002\u307e\u305a\u4f9d\u5b58\u95a2\u4fc2\uff08\u3069\u306e\u5c64\u304c\u4f55\u306b\u8f09\u3063\u3066\u3044\u308b\u304b\uff09\u3092\u6574\u7406\u3057\u3001\u518d\u69cb\u7bc9\u306a\u3069\u9ad8\u8ca0\u8377\u306a\u64cd\u4f5c\u306f\u3001\u72b6\u6cc1\u304c\u843d\u3061\u7740\u304f\u307e\u3067\u30d6\u30ec\u30fc\u30ad\u3092\u639b\u3051\u308b\u3002\u305d\u306e\u4e0a\u3067\u4fdd\u5168\u306e\u5358\u4f4d\u3092\u8a2d\u8a08\u3059\u308b\u3002\u3053\u3053\u307e\u3067\u3067\u304d\u308b\u3068\u3001\u5fa9\u65e7\u3068\u518d\u767a\u9632\u6b62\u304c\u201c\u53ce\u675f\u201d\u306b\u5411\u304b\u3044\u307e\u3059\u3002\u6b21\u7ae0\u3067\u306f\u3001EIO\u5bfe\u5fdc\u306e\u5e30\u7d50\u3068\u3057\u3066\u3001\u904b\u7528\u3068\u8a2d\u8a08\u3092\u3069\u3046\u30b3\u30fc\u30c9\u5316\u3057\u3066\u518d\u767a\u3092\u9632\u3050\u304b\u3001\u305d\u3057\u3066\u4e00\u822c\u8ad6\u306e\u9650\u754c\u3092\u6574\u7406\u3057\u307e\u3059\u3002<\/p> \r\n\r\n<a id=\"sec10\"><\/a>\r\n\r\n<p>\u3000<\/p> <h2 style=\"font-size:1.2em; font-weight:bold; text-decoration:underline;\">\u7b2c10\u7ae0\uff1a\u5e30\u7d50\uff1aEIO\u5bfe\u5fdc\u306f\u300c\u4ea4\u63db\u300d\u3067\u7d42\u308f\u3089\u306a\u3044\u2500\u2500\u5fa9\u65e7\u8a08\u753b\u3068\u518d\u767a\u9632\u6b62\u3092\u201c\u8a2d\u8a08\u201d\u3068\u3057\u3066\u56fa\u5b9a\u3059\u308b<\/h2> <p>EIO\u5bfe\u5fdc\u306e\u73fe\u5834\u3063\u3066\u3001\u6700\u5f8c\u306b\u3053\u3046\u3044\u3046\u611f\u60c5\u304c\u6b8b\u308a\u304c\u3061\u3067\u3059\u3002<\/p> <p>\u300c\u7d50\u5c40\u3001\u4f55\u304c\u539f\u56e0\u3060\u3063\u305f\u3093\u3060\u3063\u3051\u2026\u300d\u300c\u307e\u305f\u540c\u3058\u3053\u3068\u304c\u8d77\u304d\u305f\u3089\u3001\u4eca\u56de\u306e\u5b66\u3073\u306f\u6d3b\u304d\u308b\u306e\u304b\u306a\u300d<\/p> <p>\u3053\u3053\u304c\u6700\u5927\u306e\u5206\u304b\u308c\u76ee\u3067\u3059\u3002EIO\u3092\u201c\u90e8\u54c1\u4ea4\u63db\u306e\u30a4\u30d9\u30f3\u30c8\u201d\u3068\u3057\u3066\u7d42\u3048\u308b\u3068\u3001\u6b21\u306e\u969c\u5bb3\u3067\u307e\u305f\u540c\u3058\u8b70\u8ad6\u304c\u904e\u71b1\u3057\u307e\u3059\u3002\u4e00\u65b9\u3067\u3001EIO\u3092<strong>\u904b\u7528\u3068\u8a2d\u8a08\u306e\u6539\u5584\u30c8\u30ea\u30ac\u30fc<\/strong>\u3068\u3057\u3066\u6271\u3048\u308b\u3068\u3001\u6b21\u306f\u88ab\u5bb3\u6700\u5c0f\u5316\u304c\u65e9\u304f\u306a\u308a\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u5e30\u7d50\u306f\u300c\u4ea4\u63db\u300d\u3067\u306f\u306a\u304f\u300c\u4ed5\u7d44\u307f\u5316\u300d\u3067\u3059\u3002<\/p> <hr> <h3>\u518d\u767a\u9632\u6b62\u306e\u8981\u70b9\u306f\u300c\u89b3\u6e2c\u300d\u300c\u6291\u3048\u8fbc\u307f\u300d\u300c\u5fa9\u65e7\u30eb\u30fc\u30c8\u306e\u4e8b\u524d\u8a2d\u8a08\u300d<\/h3> <p>EIO\u306f\u7a81\u7136\u51fa\u305f\u3088\u3046\u306b\u898b\u3048\u3066\u3001\u5b9f\u306f\u524d\u5146\uff08\u9045\u5ef6\u3001\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3001\u518d\u8a66\u884c\u5897\u52a0\u3001SMART\u306e\u5897\u52a0\u50be\u5411\uff09\u304c\u3042\u308b\u3053\u3068\u3082\u591a\u3044\u3067\u3059\u3002\u305d\u3053\u3067\u3001\u6b21\u306e3\u70b9\u3092\u201c\u904b\u7528\u8981\u4ef6\u201d\u3068\u3057\u3066\u56fa\u5b9a\u3057\u307e\u3059\u3002<\/p> <table style=\"border-collapse:collapse; width:100%;\"> <tr> <th style=\"background-color:#eeeeee; border:1px solid #999; padding:6px;\">\u89b3\u70b9<\/th> <th style=\"background-color:#eeeeee; border:1px solid #999; padding:6px;\">\u3084\u308b\u3053\u3068\uff08\u4e00\u822c\u5f62\uff09<\/th> <th style=\"background-color:#eeeeee; border:1px solid #999; padding:6px;\">\u72d9\u3044<\/th> <\/tr> <tr> <td style=\"background-color:#eeeeee; border:1px solid #999; padding:6px;\">\u89b3\u6e2c<\/td> <td style=\"border:1px solid #999; padding:6px;\">\u30ab\u30fc\u30cd\u30eb\u30ed\u30b0\u3001I\/O\u9045\u5ef6\u3001SMART\/\u30a8\u30e9\u30fc\u30ab\u30a6\u30f3\u30bf\u3092\u7d99\u7d9a\u76e3\u8996<\/td> <td style=\"border:1px solid #999; padding:6px;\">\u524d\u5146\u306e\u65e9\u671f\u767a\u898b\u3068\u8aac\u660e\u53ef\u80fd\u6027<\/td> <\/tr> <tr> <td style=\"background-color:#eeeeee; border:1px solid #999; padding:6px;\">\u6291\u3048\u8fbc\u307f<\/td> <td style=\"border:1px solid #999; padding:6px;\">\u969c\u5bb3\u6642\u306e\u66f8\u304d\u8fbc\u307f\u6291\u5236\u3001\u30b5\u30fc\u30d3\u30b9\u5206\u96e2\u3001\u5f71\u97ff\u7bc4\u56f2\u7e2e\u5c0f\u306e\u624b\u9806\u3092\u7528\u610f<\/td> <td style=\"border:1px solid #999; padding:6px;\">\u72b6\u6cc1\u60aa\u5316\u306e\u9632\u6ce2\u5824\u3092\u4f5c\u308b<\/td> <\/tr> <tr> <td style=\"background-color:#eeeeee; border:1px solid #999; padding:6px;\">\u5fa9\u65e7\u30eb\u30fc\u30c8<\/td> <td style=\"border:1px solid #999; padding:6px;\">\u4fdd\u5168\uff08\u30a4\u30e1\u30fc\u30b8\u53d6\u5f97\uff09\u3068\u5fa9\u65e7\u306e\u624b\u9806\u3001\u5fc5\u8981\u5bb9\u91cf\u3001\u8cac\u4efb\u5206\u754c\u3092\u4e8b\u524d\u306b\u6c7a\u3081\u308b<\/td> <td style=\"border:1px solid #999; padding:6px;\">\u8ff7\u3044\u306e\u6642\u9593\u3092\u6e1b\u3089\u3057\u3001\u5224\u65ad\u3092\u901f\u304f\u3059\u308b<\/td> <\/tr> <\/table> <p>\u30dd\u30a4\u30f3\u30c8\u306f\u3001\u3053\u3053\u3092\u201c\u6c17\u5408\u201d\u3067\u306f\u306a\u304f\u201c\u8a2d\u8a08\u201d\u3068\u3057\u3066\u56fa\u5b9a\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u62c5\u5f53\u8005\u304c\u5909\u308f\u3063\u3066\u3082\u540c\u3058\u5224\u65ad\u304c\u3067\u304d\u308b\u72b6\u614b\u306b\u3059\u308b\u3002\u3053\u308c\u304cBtoB\u306e\u73fe\u5834\u3067\u306f\u52b9\u304d\u307e\u3059\u3002<\/p> <hr> <h3>\u4e00\u822c\u8ad6\u306e\u9650\u754c\uff1a\u6700\u9069\u89e3\u306f\u300c\u69cb\u6210\u30fb\u696d\u52d9\u5236\u7d04\u30fb\u5fa9\u65e7\u512a\u5148\u5ea6\u300d\u3067\u5909\u308f\u308b<\/h3> <p>\u3053\u3053\u307e\u3067\u306e\u8a18\u4e8b\u306f\u3001EIO\u5bfe\u5fdc\u306e\u4e00\u822c\u5f62\u3092\u6574\u7406\u3057\u307e\u3057\u305f\u3002\u305f\u3060\u3001\u73fe\u5b9f\u306e\u6700\u9069\u89e3\u306f\u3001\u6b21\u306e\u6761\u4ef6\u3067\u5927\u304d\u304f\u5909\u308f\u308a\u307e\u3059\u3002<\/p> <ul> <li><strong>\u69cb\u6210<\/strong>\uff1aRAID\/LVM\/\u6697\u53f7\u5316\/\u4eee\u60f3\u5316\u3001\u30b9\u30c8\u30ec\u30fc\u30b8\u7a2e\u985e\u3001\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u65b9\u5f0f<\/li> <li><strong>\u696d\u52d9\u5236\u7d04<\/strong>\uff1a\u6b62\u3081\u3089\u308c\u306a\u3044\u3001\u591c\u9593\u3057\u304b\u89e6\u308c\u306a\u3044\u3001\u4fdd\u5168\u5148\u304c\u306a\u3044\u3001\u904b\u7528\u4eba\u54e1\u304c\u9650\u3089\u308c\u308b<\/li> <li><strong>\u512a\u5148\u5ea6<\/strong>\uff1a\u5b8c\u5168\u5fa9\u65e7\u304c\u6700\u512a\u5148\u304b\u3001\u65e9\u671f\u5fa9\u65e7\u304c\u6700\u512a\u5148\u304b\u3001\u8a3c\u62e0\u4fdd\u5168\u304c\u5fc5\u8981\u304b<\/li> <\/ul> <p>\u3064\u307e\u308a\u300c\u3053\u306e\u624b\u9806\u304c\u6b63\u3057\u3044\u300d\u3068\u3044\u3046\u3088\u308a\u3001\u300c\u3053\u306e\u6761\u4ef6\u306a\u3089\u3053\u306e\u624b\u9806\u304c\u5b89\u5168\u300d\u3068\u3044\u3046\u8a71\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u3053\u3092\u8aa4\u308b\u3068\u3001\u5fa9\u65e7\u306e\u96e3\u6613\u5ea6\u304c\u4e0a\u304c\u308a\u3001\u7d50\u679c\u3068\u3057\u3066\u640d\u5931\u304c\u5897\u3048\u307e\u3059\u3002<\/p> <hr> <h3>\u81ea\u7136\u306a\u6b21\u306e\u4e00\u6b69\uff1a\u500b\u5225\u6848\u4ef6\u306f\u201c\u5c02\u9580\u5bb6\u3068\u4e00\u7dd2\u306b\u8a2d\u8a08\u201d\u3057\u305f\u65b9\u304c\u901f\u3044<\/h3> <p>\u300c\u307e\u305f\u65b0\u3057\u3044\u76f8\u8ac7\u5148\uff1f\u3069\u3046\u305b\u624b\u7d9a\u304d\u304c\u5897\u3048\u308b\u3060\u3051\u3058\u3083\u306a\u3044\u306e\u300d\u2500\u2500\u305d\u3046\u601d\u3046\u306e\u3082\u5206\u304b\u308a\u307e\u3059\u3002\u73fe\u5834\u306f\u3053\u308c\u4ee5\u4e0a\u3001\u9762\u5012\u3092\u5897\u3084\u3057\u305f\u304f\u306a\u3044\u3067\u3059\u3088\u306d\u3002<\/p> <p>\u305f\u3060\u3001EIO\u306f\u201c\u73fe\u5834\u306e\u52aa\u529b\u201d\u3060\u3051\u3067\u7247\u4ed8\u3051\u308b\u306b\u306f\u3001\u95a2\u4fc2\u3059\u308b\u5c64\u304c\u591a\u3059\u304e\u307e\u3059\u3002\u69cb\u6210\u306e\u628a\u63e1\u3001\u30ed\u30b0\u306e\u8aad\u307f\u89e3\u304d\u3001\u4fdd\u5168\u306e\u8a2d\u8a08\u3001\u5fa9\u65e7\u30eb\u30fc\u30c8\u306e\u9078\u629e\u3001\u518d\u767a\u9632\u6b62\u306e\u4ed5\u7d44\u307f\u5316\u307e\u3067\u3092\u3001\u9650\u3089\u308c\u305f\u6642\u9593\u3067\u3084\u308b\u306e\u306f\u91cd\u3044\u3002<\/p> <p>\u682a\u5f0f\u4f1a\u793e\u60c5\u5831\u5de5\u5b66\u7814\u7a76\u6240\u3067\u306f\u3001\u30c7\u30fc\u30bf\u5fa9\u65e7\u3060\u3051\u3067\u306a\u304f\u3001\u969c\u5bb3\u6642\u306e\u88ab\u5bb3\u6700\u5c0f\u5316\uff08\u30c0\u30e1\u30fc\u30b8\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\uff09\u304b\u3089\u3001\u69cb\u6210\u30fb\u904b\u7528\u306b\u5408\u308f\u305b\u305f\u5fa9\u65e7\u8a08\u753b\u306e\u6574\u7406\u3001\u518d\u767a\u9632\u6b62\u306e\u8a2d\u8a08\uff08\u76e3\u8996\u30fb\u904b\u7528\u624b\u9806\u30fb\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u306e\u898b\u76f4\u3057\uff09\u307e\u3067\u3001\u500b\u5225\u4e8b\u60c5\u306b\u5408\u308f\u305b\u3066\u4e00\u7dd2\u306b\u7d44\u307f\u7acb\u3066\u308b\u652f\u63f4\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p> <p>\u300c\u4eca\u3053\u306e\u77ac\u9593\u306e\u5fa9\u65e7\u304c\u5fc5\u8981\u300d\u300c\u518d\u767a\u304c\u6016\u3044\u300d\u300c\u5f79\u54e1\u8aac\u660e\u306b\u8010\u3048\u308b\u8cc7\u6599\u304c\u6b32\u3057\u3044\u300d\u306a\u3069\u3001\u72b6\u6cc1\u306f\u69d8\u3005\u3067\u3059\u3002\u4e00\u822c\u8ad6\u306e\u30c6\u30f3\u30d7\u30ec\u3067\u306f\u306a\u304f\u3001\u3042\u306a\u305f\u306e\u74b0\u5883\u306b\u5408\u308f\u305b\u305f\u201c\u73fe\u5b9f\u7684\u306a\u624b\u9806\u201d\u306b\u843d\u3068\u3057\u8fbc\u3080\u305f\u3081\u306b\u3001\u307e\u305a\u306f\u7121\u6599\u76f8\u8ac7\u3067\u72b6\u6cc1\u3092\u5171\u6709\u3057\u3066\u3044\u305f\u3060\u304f\u306e\u304c\u3001\u6700\u3082\u5c0f\u3055\u306a\u4e00\u6b69\u306b\u306a\u308a\u307e\u3059\u3002<\/p> \r\n\r\n\r\n<p>\u3000<\/p> <h2 style=\"font-size:1.2em; font-weight:bold; text-decoration:underline;\">\u4ed8\u9332\uff1a\u4e3b\u8981\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u3054\u3068\u306eI\/O\u30a8\u30e9\u30fc\uff08EIO\uff09\u53d6\u308a\u6271\u3044\u6ce8\u610f\u70b9\uff08\u73fe\u5834\u3067\u306e\u843d\u3068\u3057\u7a74\uff09<\/h2> <p>\u6700\u5f8c\u306b\u3001EIO\u304c\u30a2\u30d7\u30ea\u5074\u306b\u898b\u3048\u305f\u3068\u304d\u306b\u300c\u8a00\u8a9e\u3054\u3068\u306b\u4f55\u304c\u8d77\u304d\u304c\u3061\u304b\u300d\u3092\u6574\u7406\u3057\u307e\u3059\u3002EIO\u306fOS\u306eI\/O\u5931\u6557\u304c\u8d77\u70b9\u3067\u3001\u8a00\u8a9e\u306f\u305d\u308c\u3092\u4f8b\u5916\u3084\u623b\u308a\u5024\u3068\u3057\u3066\u53d7\u3051\u53d6\u308a\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u6ce8\u610f\u70b9\u306f\u300c\u8a00\u8a9e\u306e\u9055\u3044\u300d\u3088\u308a\u3082\u3001<strong>\u30d0\u30c3\u30d5\u30a1\u30ea\u30f3\u30b0\u3001\u4f8b\u5916\u51e6\u7406\u3001\u30ea\u30c8\u30e9\u30a4\u3001\u66f8\u304d\u8fbc\u307f\u306e\u78ba\u5b9a\uff08fsync\u76f8\u5f53\uff09<\/strong>\u306e\u6271\u3044\u306b\u96c6\u4e2d\u3057\u307e\u3059\u3002<\/p> <hr> <h3>C \/ C++<\/h3> <ul> <li><strong>\u623b\u308a\u5024\u306e\u53d6\u308a\u3053\u307c\u3057<\/strong>\uff1aread\/write\u306e\u623b\u308a\u5024\u30fberrno\u78ba\u8a8d\u3092\u6f0f\u3089\u3059\u3068\u3001\u5931\u6557\u3092\u6210\u529f\u6271\u3044\u3057\u3084\u3059\u3044\u3002<\/li> <li><strong>\u90e8\u5206\u66f8\u304d\u8fbc\u307f<\/strong>\uff1awrite\u304c\u5168\u91cf\u3092\u66f8\u304b\u306a\u3044\u30b1\u30fc\u30b9\u3092\u524d\u63d0\u306b\u3057\u306a\u3044\u3068\u3001\u7834\u640d\u3084\u6b20\u843d\u304c\u8d77\u304d\u308b\u3002<\/li> <li><strong>fsync\u306e\u8a2d\u8a08<\/strong>\uff1a\u78ba\u5b9a\uff08\u6c38\u7d9a\u5316\uff09\u3092\u3069\u3053\u3067\u4fdd\u8a3c\u3059\u308b\u304b\u304c\u66d6\u6627\u3060\u3068\u3001\u969c\u5bb3\u6642\u306b\u201c\u66f8\u3051\u305f\u306f\u305a\u201d\u554f\u984c\u304c\u767a\u751f\u3059\u308b\u3002<\/li> <\/ul> <h3>Rust<\/h3> <ul> <li><strong>Result\u306e\u6271\u3044\u306f\u5f37\u3044\u304c\u3001\u8a2d\u8a08\u306f\u5225<\/strong>\uff1aunwrap\/expect\u3067\u843d\u3068\u3057\u3066\u3057\u307e\u3046\u3068\u5fa9\u65e7\u4e0d\u80fd\u306a\u505c\u6b62\u306b\u306a\u308b\u3002<\/li> <li><strong>\u30ea\u30c8\u30e9\u30a4\u306e\u5883\u754c<\/strong>\uff1aEIO\u306f\u4e00\u6642\u7684\u969c\u5bb3\u3068\u306f\u9650\u3089\u306a\u3044\u305f\u3081\u3001\u7121\u9650\u30ea\u30c8\u30e9\u30a4\u306f\u72b6\u6cc1\u60aa\u5316\uff08I\/O\u5897\u52a0\uff09\u306b\u3064\u306a\u304c\u308b\u3053\u3068\u304c\u3042\u308b\u3002<\/li> <\/ul> <h3>Go<\/h3> <ul> <li><strong>\u30a8\u30e9\u30fc\u306e\u30e9\u30c3\u30d7\u3067\u539f\u56e0\u304c\u898b\u3048\u306b\u304f\u3044<\/strong>\uff1aerrors.Is\/Unwrap\u3092\u4f7f\u3063\u3066\u6839\u306e\u30a8\u30e9\u30fc\uff08syscall\uff09\u306b\u8fbf\u308c\u308b\u8a2d\u8a08\u306b\u3059\u308b\u3002<\/li> <li><strong>\u4e26\u884c\u51e6\u7406\u3067\u969c\u5bb3\u304c\u5897\u5e45<\/strong>\uff1a\u30b4\u30eb\u30fc\u30c1\u30f3\u3067\u540c\u6642I\/O\u304c\u5897\u3048\u308b\u3068\u3001\u969c\u5bb3\u30c7\u30a3\u30b9\u30af\u306b\u8ca0\u8377\u3092\u639b\u3051\u3066\u3057\u307e\u3046\u3053\u3068\u304c\u3042\u308b\uff08\u6291\u3048\u8fbc\u307f\u304c\u5fc5\u8981\uff09\u3002<\/li> <\/ul> <h3>Java \/ Kotlin\uff08JVM\uff09<\/h3> <ul> <li><strong>\u4f8b\u5916\u306f\u4e0a\u304c\u308b\u304c\u3001\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u5883\u754c\u304c\u91cd\u8981<\/strong>\uff1aDB\/\u30ad\u30e5\u30fc\/\u30d5\u30a1\u30a4\u30eb\u306e\u6574\u5408\u6027\u3092\u3069\u3053\u3067\u4fdd\u8a3c\u3059\u308b\u304b\u3092\u8a2d\u8a08\u3057\u3066\u3044\u306a\u3044\u3068\u3001EIO\u3067\u4e2d\u9014\u534a\u7aef\u306a\u72b6\u614b\u304c\u6b8b\u308b\u3002<\/li> <li><strong>\u30d0\u30c3\u30d5\u30a1\u30ea\u30f3\u30b0\u3068flush<\/strong>\uff1a\u30b9\u30c8\u30ea\u30fc\u30e0\u306eflush\/close\u6642\u306b\u521d\u3081\u3066\u30a8\u30e9\u30fc\u304c\u51fa\u308b\u3053\u3068\u304c\u3042\u308b\uff08\u201c\u6700\u5f8c\u306b\u843d\u3061\u308b\u201d\u3092\u524d\u63d0\u306b\u3059\u308b\uff09\u3002<\/li> <\/ul> <h3>Python<\/h3> <ul> <li><strong>\u4f8b\u5916\u767a\u751f\u4f4d\u7f6e\u304c\u9045\u308c\u308b\u3053\u3068\u304c\u3042\u308b<\/strong>\uff1a\u66f8\u304d\u8fbc\u307f\u304c\u30d0\u30c3\u30d5\u30a1\u3055\u308c\u3001close\u6642\u306b\u4f8b\u5916\u304c\u51fa\u308b\u30b1\u30fc\u30b9\u3092\u60f3\u5b9a\u3059\u308b\u3002<\/li> <li><strong>\u5b89\u6613\u306a\u518d\u8a66\u884c<\/strong>\uff1aEIO\u3092\u63e1\u308a\u3064\u3076\u3057\u3066\u30ea\u30c8\u30e9\u30a4\u3059\u308b\u3068\u3001\u969c\u5bb3\u304c\u9032\u884c\u3057\u3066\u3044\u308b\u5834\u5408\u306bI\/O\u3092\u5897\u3084\u3057\u3066\u3057\u307e\u3046\u3002<\/li> <\/ul> <h3>JavaScript \/ Node.js<\/h3> <ul> <li><strong>\u975e\u540c\u671fI\/O\u306e\u30a8\u30e9\u30fc\u4f1d\u64ad<\/strong>\uff1acallback\/Promise\u306e\u3069\u3053\u3067\u6355\u6349\u3059\u308b\u304b\u304c\u66d6\u6627\u3060\u3068\u3001\u30a8\u30e9\u30fc\u304c\u30ed\u30b0\u306b\u51fa\u305a\u306b\u9759\u304b\u306b\u6b20\u640d\u3059\u308b\u3002<\/li> <li><strong>\u30b9\u30c8\u30ea\u30fc\u30e0\u306e\u6271\u3044<\/strong>\uff1a'error'\u30a4\u30d9\u30f3\u30c8\u3092\u8cfc\u8aad\u3057\u306a\u3044\u3068\u30d7\u30ed\u30bb\u30b9\u304c\u843d\u3061\u305f\u308a\u3001\u5931\u6557\u304c\u898b\u9003\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308b\u3002<\/li> <\/ul> <h3>PHP<\/h3> <ul> <li><strong>\u30a8\u30e9\u30fc\u304c\u8b66\u544a\u6b62\u307e\u308a\u306b\u306a\u308b<\/strong>\uff1a\u30d5\u30a1\u30a4\u30ebI\/O\u304cWarning\u3067\u6d41\u308c\u3001\u51e6\u7406\u304c\u7d99\u7d9a\u3057\u3066\u201c\u58ca\u308c\u305f\u6210\u679c\u7269\u201d\u3092\u6b8b\u3059\u5834\u5408\u304c\u3042\u308b\u3002\u30ed\u30b0\u3068\u4f8b\u5916\u5316\u306e\u65b9\u91dd\u3092\u6c7a\u3081\u308b\u3002<\/li> <li><strong>\u5171\u6709\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u7279\u6709\u306e\u5236\u7d04<\/strong>\uff1aI\/O\u9045\u5ef6\u3084\u5236\u9650\u306b\u3088\u308a\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u304c\u5148\u306b\u51fa\u308b\u3053\u3068\u304c\u3042\u308b\uff08OS\u5074EIO\u3068\u6df7\u3056\u308b\uff09\u3002<\/li> <\/ul> <h3>Ruby<\/h3> <ul> <li><strong>\u4f8b\u5916\u51e6\u7406\u306e\u7c92\u5ea6<\/strong>\uff1arescue\u3067\u307e\u3068\u3081\u3066\u63e1\u308b\u3068\u3001EIO\u3082\u4e00\u6642\u7684\u5931\u6557\u3082\u540c\u5217\u306b\u6271\u308f\u308c\u3084\u3059\u3044\u3002\u5206\u985e\u3057\u3066\u6271\u3046\u3002<\/li> <li><strong>\u30b8\u30e7\u30d6\/\u30d0\u30c3\u30c1\u306e\u51aa\u7b49\u6027<\/strong>\uff1a\u9014\u4e2d\u3067\u843d\u3061\u305f\u3068\u304d\u306b\u518d\u5b9f\u884c\u3067\u6574\u5408\u304c\u53d6\u308c\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3057\u3066\u304a\u304f\u3068\u88ab\u5bb3\u6700\u5c0f\u5316\u306b\u3064\u306a\u304c\u308b\u3002<\/li> <\/ul> <h3>C# \/ .NET<\/h3> <ul> <li><strong>\u4f8b\u5916\u968e\u5c64\u304c\u6df1\u3044<\/strong>\uff1aIOException\u306e\u5185\u5074\uff08InnerException\uff09\u306bOS\u7531\u6765\u306e\u60c5\u5831\u304c\u5165\u308b\u3053\u3068\u304c\u3042\u308b\u305f\u3081\u3001\u539f\u56e0\u3092\u8fbf\u308c\u308b\u30ed\u30b0\u8a2d\u8a08\u304c\u91cd\u8981\u3002<\/li> <li><strong>\u30d5\u30a1\u30a4\u30eb\u5171\u6709\u3068\u30ed\u30c3\u30af<\/strong>\uff1aEIO\u3068\u7af6\u5408\uff08\u5171\u6709\u9055\u53cd\uff09\u3092\u6df7\u540c\u3057\u306a\u3044\u3088\u3046\u306b\u3001\u4f8b\u5916\u3068\u74b0\u5883\u60c5\u5831\u3092\u4f75\u8a18\u3059\u308b\u3002<\/li> <\/ul> <h3>Shell\uff08bash\u7b49\uff09<\/h3> <ul> <li><strong>\u30b3\u30de\u30f3\u30c9\u306e\u7d42\u4e86\u30b3\u30fc\u30c9\u4f9d\u5b58<\/strong>\uff1a\u30d1\u30a4\u30d7\u3067\u5931\u6557\u304c\u96a0\u308c\u308b\u3053\u3068\u304c\u3042\u308b\uff08pipefail\u7b49\u306e\u904b\u7528\u8a2d\u8a08\u304c\u5fc5\u8981\uff09\u3002<\/li> <li><strong>\u30ed\u30b0\u306e\u6b20\u843d<\/strong>\uff1a\u6a19\u6e96\u51fa\u529b\/\u6a19\u6e96\u30a8\u30e9\u30fc\u306e\u6271\u3044\u304c\u96d1\u3060\u3068\u3001EIO\u306e\u624b\u304c\u304b\u308a\u304c\u6b8b\u3089\u306a\u3044\u3002<\/li> <\/ul> <hr> <h3>\u4ed8\u9332\u307e\u3068\u3081\uff1a\u8a00\u8a9e\u306e\u5dee\u3088\u308a\u300c\u5931\u6557\u3092\u898b\u9003\u3055\u306a\u3044\u8a2d\u8a08\u300d\u3068\u300c\u6291\u3048\u8fbc\u307f\u300d\u304c\u91cd\u8981<\/h3> <p>EIO\u306f\u201c\u30a2\u30d7\u30ea\u306e\u30d0\u30b0\u201d\u3068\u3044\u3046\u3088\u308a\u3001\u30b9\u30c8\u30ec\u30fc\u30b8I\/O\u304c\u6210\u7acb\u3057\u306a\u3044\u72b6\u614b\u304c\u30a2\u30d7\u30ea\u306b\u4f1d\u64ad\u3057\u305f\u3082\u306e\u3067\u3059\u3002\u8a00\u8a9e\u3054\u3068\u306e\u6ce8\u610f\u70b9\u306f\u3042\u308a\u307e\u3059\u304c\u3001\u672c\u8cea\u306f\u5171\u901a\u3067\u3001<strong>\uff081\uff09\u5931\u6557\u3092\u78ba\u5b9f\u306b\u691c\u77e5\u3059\u308b\uff082\uff09\u58ca\u308c\u305f\u72b6\u614b\u3092\u62e1\u5927\u3057\u306a\u3044\uff083\uff09\u5fa9\u65e7\u53ef\u80fd\u306a\u5f62\u3067\u8a18\u9332\u3059\u308b<\/strong>\u306b\u5c3d\u304d\u307e\u3059\u3002\u500b\u5225\u6848\u4ef6\u3067\u306f\u3001\u69cb\u6210\u30fb\u904b\u7528\u30fb\u696d\u52d9\u5236\u7d04\u3067\u6700\u9069\u89e3\u304c\u5909\u308f\u308b\u305f\u3081\u3001\u8ff7\u3063\u305f\u6642\u70b9\u3067\u682a\u5f0f\u4f1a\u793e\u60c5\u5831\u5de5\u5b66\u7814\u7a76\u6240\u306e\u3088\u3046\u306a\u5c02\u9580\u5bb6\u306b\u76f8\u8ac7\u3057\u3001\u6700\u77ed\u3067\u201c\u53ce\u675f\u201d\u3078\u5411\u304b\u3046\u30eb\u30fc\u30c8\u3092\u78ba\u5b9a\u3055\u305b\u308b\u306e\u304c\u73fe\u5b9f\u7684\u3067\u3059\u3002<\/p>\r\n\r\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2f6fa765 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2f6fa765\" data-element_type=\"section\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-1d5539ec\" data-id=\"1d5539ec\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c6ae218 elementor-widget elementor-widget-text-editor\" data-id=\"c6ae218\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<style>h1.dai {    display: inline-block;    font-weight: bold;    border-left: solid 5px #38b3f2;    border-bottom: solid 1px #38b3f2;    margin-top: 25px; \/* \u4e0a\u306e\u7a7a\u767d\u30922\u500d *\/    margin-bottom: 5px;    padding: 5px 5px 5px 5px;    font-size: 18px; \/* \u6587\u5b57\u306e\u5927\u304d\u3055\u309218px\u306b\u8a2d\u5b9a *\/}h2.fukudai {    display: inline-block;    font-weight: bold;    border-left: solid 5px #38b3f2;    border-bottom: solid 1px #38b3f2;    margin-top: 25px; \/* \u4e0a\u306e\u7a7a\u767d\u30922\u500d *\/    margin-bottom: 5px;    padding: 5px 5px 5px 5px;    font-size: 18px; \/* \u6587\u5b57\u306e\u5927\u304d\u3055\u309218px\u306b\u8a2d\u5b9a *\/}.fukudai {    display: inline-block;    font-weight: bold;    border-left: solid 5px #38b3f2;    border-bottom: solid 1px #38b3f2;    margin: 0 auto 50px;    padding: 5px 5px 5px 5px;    font-size: 18px; \/* \u6587\u5b57\u306e\u5927\u304d\u3055\u309218px\u306b\u8a2d\u5b9a *\/}.fukudai {    display: inline-block;    font-weight: bold;    border-left: solid 5px #38b3f2;    border-bottom: solid 1px #38b3f2;    margin: 0 auto 50px;    padding: 5px 5px 5px 5px;    font-size: 18px; \/* \u6587\u5b57\u306e\u5927\u304d\u3055\u309218px\u306b\u8a2d\u5b9a *\/}<\/style><h2 class='fukudai'>\u306f\u3058\u3081\u306b<\/h2><br><p> I\/O\u30a8\u30e9\u30fc\u767a\u751f\u306e\u80cc\u666f\u3068\u672c\u8a18\u4e8b\u306e\u76ee\u7684\u306b\u3064\u3044\u3066\u306e\u6982\u8981     IT\u30b7\u30b9\u30c6\u30e0\u306e\u904b\u7528\u306b\u304a\u3044\u3066\u3001I\/O\uff08\u5165\u529b\u51fa\u529b\uff09\u30a8\u30e9\u30fc\u306f\u907f\u3051\u3066\u901a\u308c\u306a\u3044\u8ab2\u984c\u306e\u4e00\u3064\u3067\u3059\u3002\u3053\u308c\u3089\u306e\u30a8\u30e9\u30fc\u306f\u3001\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u306e\u6545\u969c\u3084\u8a2d\u5b9a\u30df\u30b9\u3001\u7269\u7406\u7684\u306a\u969c\u5bb3\u306a\u3069\u3001\u3055\u307e\u3056\u307e\u306a\u539f\u56e0\u306b\u3088\u308a\u767a\u751f\u3057\u307e\u3059\u3002\u7279\u306b\u3001\u30c7\u30fc\u30bf\u306e\u55aa\u5931\u3084\u30b7\u30b9\u30c6\u30e0\u306e\u505c\u6b62\u3068\u3044\u3063\u305f\u91cd\u5927\u306a\u30c8\u30e9\u30d6\u30eb\u306b\u76f4\u7d50\u3059\u308b\u3053\u3068\u3082\u3042\u308a\u3001\u7ba1\u7406\u8005\u3084\u4f01\u696d\u306e\u8cac\u4efb\u8005\u306b\u3068\u3063\u3066\u306f\u8fc5\u901f\u304b\u3064\u9069\u5207\u306a\u5bfe\u5fdc\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002    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class='fukudai'>I\/O\u30a8\u30e9\u30fc\u306e\u539f\u56e0\u3068\u57fa\u672c\u7684\u306a\u5b9a\u7fa9\u306b\u3064\u3044\u3066\u306e\u7406\u89e3<\/h2><br><p>I\/O\u30a8\u30e9\u30fc\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u304c\u30c7\u30fc\u30bf\u306e\u8aad\u307f\u66f8\u304d\u306b\u5931\u6557\u3057\u305f\u969b\u306b\u767a\u751f\u3059\u308b\u73fe\u8c61\u3067\u3059\u3002\u3053\u308c\u306f\u3001\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u306e\u6545\u969c\u3001\u30b1\u30fc\u30d6\u30eb\u3084\u30b3\u30cd\u30af\u30bf\u306e\u4e0d\u826f\u3001\u30b9\u30c8\u30ec\u30fc\u30b8\u30c7\u30d0\u30a4\u30b9\u306e\u7269\u7406\u7684\u640d\u50b7\u3001\u307e\u305f\u306f\u8a2d\u5b9a\u30df\u30b9\u306a\u3069\u3001\u3055\u307e\u3056\u307e\u306a\u539f\u56e0\u306b\u3088\u3063\u3066\u5f15\u304d\u8d77\u3053\u3055\u308c\u307e\u3059\u3002\u5177\u4f53\u7684\u306b\u306f\u3001\u30c7\u30a3\u30b9\u30af\u30c9\u30e9\u30a4\u30d6\u306e\u30bb\u30af\u30bf\u4e0d\u826f\u3084\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u306e\u6545\u969c\u3001\u96fb\u6e90\u4f9b\u7d66\u306e\u4e0d\u5b89\u5b9a\u3055\u306a\u3069\u304c\u4ee3\u8868\u7684\u306a\u4f8b\u3067\u3059\u3002 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class='fukudai'>\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u8a3a\u65ad\u306e\u5177\u4f53\u7684\u306a\u4e8b\u4f8b\u3068\u5bfe\u5fdc\u7b56\u306e\u8a73\u7d30\u89e3\u8aac<\/h2><br><p>\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u8a3a\u65ad\u306f\u3001I\/O\u30a8\u30e9\u30fc\u306e\u6839\u672c\u539f\u56e0\u3092\u7279\u5b9a\u3057\u3001\u9069\u5207\u306a\u5bfe\u5fdc\u3092\u884c\u3046\u305f\u3081\u306e\u91cd\u8981\u306a\u30b9\u30c6\u30c3\u30d7\u3067\u3059\u3002\u5177\u4f53\u7684\u306a\u4e8b\u4f8b\u3092\u901a\u3058\u3066\u3001\u3069\u306e\u3088\u3046\u306a\u8a3a\u65ad\u65b9\u6cd5\u3068\u5bfe\u5fdc\u7b56\u304c\u6709\u52b9\u304b\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002    \u307e\u305a\u3001\u30c7\u30a3\u30b9\u30af\u306e\u7269\u7406\u7684\u306a\u6545\u969c\u304c\u7591\u308f\u308c\u308b\u5834\u5408\u3001SMART\uff08Self-Monitoring, Analysis and Reporting 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