{"id":42533,"date":"2025-06-24T08:47:32","date_gmt":"2025-06-23T23:47:32","guid":{"rendered":"https:\/\/jouhou.main.jp\/?p=42533"},"modified":"2026-01-23T15:38:13","modified_gmt":"2026-01-23T06:38:13","slug":"ubuntu-eio-5-%e5%af%be%e7%ad%96%ef%bc%9a%e5%85%a5%e5%87%ba%e5%8a%9b%e3%82%a8%e3%83%a9%e3%83%bc%e3%80%8ci-o-error%e3%80%8d%e7%99%ba%e7%94%9f%e6%99%82%e3%81%ae%e3%83%8f%e3%83%bc%e3%83%89%e3%82%a6","status":"publish","type":"post","link":"https:\/\/jouhou.main.jp\/?p=42533","title":{"rendered":"Ubuntu EIO (5) \u5bfe\u7b56\uff1a\u5165\u51fa\u529b\u30a8\u30e9\u30fc\u300cI\/O error\u300d\u767a\u751f\u6642\u306e\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u8a3a\u65ad\u3068\u5fa9\u65e7\u7de8"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"42533\" class=\"elementor elementor-42533\" 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-3113e75 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3113e75\" 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-0ec23aa\" data-id=\"0ec23aa\" 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-f4e3579 elementor-widget elementor-widget-html\" data-id=\"f4e3579\" 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:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,'Noto Sans JP','Hiragino Kaku Gothic ProN','Yu Gothic',sans-serif; line-height:1.6; padding:0; margin:16px 0;\">\n  <div style=\"max-width:100%; box-sizing:border-box; overflow:visible; border:1px solid #e5e7eb; border-radius:3px; padding:14px; background:#ffffff;\">\n    <div style=\"max-width:100%; box-sizing:border-box; overflow:visible; display:flex; gap:10px; align-items:flex-start; flex-wrap:wrap;\">\n      <div style=\"max-width:100%; box-sizing:border-box; overflow:visible; display:inline-block; padding:2px 8px; border-radius:3px; background:#111827; color:#ffffff; font-size:12px; letter-spacing:0.02em; overflow-wrap:anywhere;\">\u6700\u77ed\u30c1\u30a7\u30c3\u30af<\/div>\n      <div style=\"max-width:100%; box-sizing:border-box; overflow:visible; flex:1; min-width:240px;\">\n        <div style=\"max-width:100%; overflow-wrap:anywhere; font-size:18px; font-weight:700; margin:0 0 4px 0;\">Ubuntu EIO\uff08I\/O error\uff09\u3067\u6b62\u307e\u3063\u305f\u3089\u3001\u307e\u305a\u3053\u3053\u3060\u3051<\/div>\n        <div style=\"max-width:100%; overflow-wrap:anywhere; font-size:13px; color:#374151; margin:0;\">\u8aad\u3080\/\u66f8\u304f\/\u5b9f\u884c\u306e\u3069\u3053\u3067EIO\u306b\u306a\u308b\u304b\u3092\u77ed\u6642\u9593\u3067\u7d5e\u308a\u3001\u89e6\u308b\u306a\u3089\u6700\u5c0f\u5909\u66f4\u3001\u8ff7\u3046\u306a\u3089\u65e9\u3081\u306b\u76f8\u8ac7\u3078\u5bc4\u305b\u307e\u3059\u3002<\/div>\n      <\/div>\n    <\/div>\n<div style=\"max-width:100%; box-sizing:border-box; overflow:visible; height:10px;\"><\/div>\n\n<div style=\"max-width:100%; box-sizing:border-box; overflow:visible; border:1px solid #e5e7eb; border-radius:3px; padding:12px; background:#ffffff;\">\n  <div style=\"max-width:100%; box-sizing:border-box; overflow:visible; display:flex; gap:10px; align-items:flex-start; flex-wrap:wrap;\">\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-weight:800; font-size:12px; overflow-wrap:anywhere;\">1<\/span>\n    <div style=\"max-width:100%; box-sizing:border-box; overflow:visible; flex:1; min-width:220px;\">\n      <div style=\"max-width:100%; overflow-wrap:anywhere; font-weight:700; margin:0 0 4px 0;\">30\u79d2\u3067\u539f\u56e0\u3092\u7d5e\u308b<\/div>\n      <div style=\"max-width:100%; overflow-wrap:anywhere; font-size:13px; color:#374151; margin:0 0 8px 0;\">\u3069\u306e\u30e6\u30fc\u30b6\u30fc\u3067\u5b9f\u884c\u3057\u3066\u3001\u3069\u306e\u30d1\u30b9\/\u30c7\u30d0\u30a4\u30b9\u5230\u9054\u3067EIO\u306b\u306a\u308b\u304b\u3060\u3051\u5148\u306b\u56fa\u5b9a\u3057\u307e\u3059\u3002<\/div>\n      <pre style=\"max-width:100%; box-sizing:border-box; overflow:visible; white-space:pre-wrap; overflow-wrap:anywhere; word-break:break-word; background:#111827; color:#ffffff; border-radius:3px; padding:10px; margin:0; font-size:12.5px;\">id\n\nsudo -n true 2>\/dev\/null || echo \"sudo\u304c\u5fc5\u8981\"\nnamei -l \/\u5bfe\u8c61\u30d1\u30b9\nls -ld \/\u5bfe\u8c61\u30d1\u30b9<\/pre>\n<\/div>\n<\/div>\n<\/div>\n<div style=\"max-width:100%; box-sizing:border-box; overflow:visible; height:10px;\"><\/div>\n\n<div style=\"max-width:100%; box-sizing:border-box; overflow:visible; border:1px solid #e5e7eb; border-radius:3px; padding:12px; background:#ffffff;\">\n  <div style=\"max-width:100%; box-sizing:border-box; overflow:visible; display:flex; gap:10px; align-items:flex-start; flex-wrap:wrap;\">\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-weight:800; font-size:12px; overflow-wrap:anywhere;\">2<\/span>\n    <div style=\"max-width:100%; box-sizing:border-box; overflow:visible; flex:1; min-width:220px;\">\n      <div style=\"max-width:100%; overflow-wrap:anywhere; font-weight:700; margin:0 0 4px 0;\">\u75c7\u72b6\u5225\uff1a\u3044\u307e\u306e\u5931\u6557\u306b\u5408\u3046\u6700\u77ed\u30b3\u30de\u30f3\u30c9<\/div>\n      <div style=\"max-width:100%; overflow-wrap:anywhere; font-size:13px; color:#374151; margin:0 0 8px 0;\">\u307e\u305a\u306f\u300c\u30c7\u30a3\u30b9\u30af\/\u30b1\u30fc\u30d6\u30eb\/\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u7531\u6765\u300d\u304b\u300c\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u7531\u6765\u300d\u304b\u306e\u6c17\u914d\u3060\u3051\u63b4\u307f\u307e\u3059\u3002<\/div>\n      <pre style=\"max-width:100%; box-sizing:border-box; overflow:visible; white-space:pre-wrap; overflow-wrap:anywhere; word-break:break-word; background:#111827; color:#ffffff; border-radius:3px; padding:10px; margin:0; font-size:12.5px;\"># 1) \u8aad\u307f\u53d6\u308a\u3067EIO\uff08cp\/grep\/ls\u3067 Input\/output error\uff09\n\ndmesg -T | tail -n 200\njournalctl -k -b --no-pager | tail -n 200\nlsblk -f\n2) \u66f8\u304d\u8fbc\u307f\u3067EIO\uff08touch\/rsync\/apt\u3067\u5931\u6557\uff09\nfindmnt -no TARGET,SOURCE,FSTYPE,OPTIONS \/\u5bfe\u8c61\u30d1\u30b9\nmount | grep -E \" on \/|\/\u5bfe\u8c61\u30de\u30a6\u30f3\u30c8\u30dd\u30a4\u30f3\u30c8\"\ndf -hT\n3) \u5b9f\u884c\u6642\u306bEIO\uff08\u30d0\u30a4\u30ca\u30ea\u8d77\u52d5\/\u8aad\u307f\u8fbc\u307f\u3067\u843d\u3061\u308b\uff09\nstrace -f -tt -o \/tmp\/eio_trace.log \/\u5bfe\u8c61\u30b3\u30de\u30f3\u30c9 2>\/dev\/null || true\ntail -n 80 \/tmp\/eio_trace.log\n4) \u30cf\u30fc\u30c9\u8a3a\u65ad\u306e\u5165\u53e3\uff08SMART\/NVMe\u304c\u53d6\u308c\u308b\u5834\u5408\uff09\nsudo smartctl -H -a \/dev\/sdX 2>\/dev\/null || true\nsudo nvme smart-log \/dev\/nvme0 2>\/dev\/null || true<\/pre>\n<\/div>\n<\/div>\n<\/div>\n<div style=\"max-width:100%; box-sizing:border-box; overflow:visible; height:10px;\"><\/div>\n\n<div style=\"max-width:100%; box-sizing:border-box; overflow:visible; border:1px solid #e5e7eb; border-radius:3px; padding:12px; background:#ffffff;\">\n  <div style=\"max-width:100%; box-sizing:border-box; overflow:visible; display:flex; gap:10px; align-items:flex-start; flex-wrap:wrap;\">\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-weight:800; font-size:12px; overflow-wrap:anywhere;\">3<\/span>\n    <div style=\"max-width:100%; box-sizing:border-box; overflow:visible; flex:1; min-width:220px;\">\n      <div style=\"max-width:100%; overflow-wrap:anywhere; font-weight:700; margin:0 0 4px 0;\">\u76f4\u3059\u524d\u306b\uff1a\u5f71\u97ff\u7bc4\u56f2\u30921\u5206\u3067\u78ba\u8a8d\uff08\u3084\u308a\u904e\u304e\u9632\u6b62\uff09<\/div>\n      <div style=\"max-width:100%; overflow-wrap:anywhere; font-size:13px; color:#374151; margin:0 0 8px 0;\">\u3069\u306e\u30c7\u30d0\u30a4\u30b9\u306b\u7d10\u3065\u304f\u554f\u984c\u304b\u3001\u3044\u307e\u66f8\u304d\u8fbc\u307f\u53ef\u80fd\u304b\u3001\u5171\u6709\u3084\u4eee\u60f3\u5316\u306e\u5883\u754c\u304c\u7d61\u3080\u304b\u3092\u5148\u306b\u898b\u3066\u304a\u304f\u3068\u3001\u5fa9\u65e7\u304c\u77ed\u304f\u306a\u308a\u3084\u3059\u3044\u3067\u3059\u3002<\/div>\n      <pre style=\"max-width:100%; box-sizing:border-box; overflow:visible; white-space:pre-wrap; overflow-wrap:anywhere; word-break:break-word; background:#111827; color:#ffffff; border-radius:3px; padding:10px; margin:0; font-size:12.5px;\">lsblk -o NAME,TYPE,SIZE,FSTYPE,RO,MOUNTPOINTS\n\nfindmnt -no SOURCE,TARGET,FSTYPE,OPTIONS \/\u5bfe\u8c61\u30d1\u30b9\nlsof +D \/\u5bfe\u8c61\u30d1\u30b9 2>\/dev\/null | head -n 30\nsudo mdadm --detail \/dev\/md* 2>\/dev\/null || true<\/pre>\n<\/div>\n<\/div>\n<\/div>\n<div style=\"max-width:100%; box-sizing:border-box; overflow:visible; height:10px;\"><\/div>\n\n<div style=\"max-width:100%; box-sizing:border-box; overflow:visible; border:1px solid #fed7aa; border-radius:3px; padding:12px; background:#fff7ed;\">\n  <div style=\"max-width:100%; overflow-wrap:anywhere; font-weight:800; margin:0 0 6px 0;\">\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<\/div>\n  <ul style=\"max-width:100%; box-sizing:border-box; overflow:visible; margin:0; padding-left:18px; color:#7c2d12;\">\n    <li style=\"max-width:100%; overflow-wrap:anywhere;\">\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;\">\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;\">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;\">\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; height:10px;\"><\/div>\n\n<div style=\"max-width:100%; box-sizing:border-box; overflow:visible; border:1px solid #e5e7eb; border-radius:3px; padding:12px; background:#ffffff;\">\n  <div style=\"max-width:100%; overflow-wrap:anywhere; font-weight:800; margin:0 0 6px 0;\">\u8ff7\u3063\u305f\u3089\uff1a\u7121\u6599\u3067\u76f8\u8ac7\u3067\u304d\u307e\u3059<\/div>\n  <div style=\"max-width:100%; overflow-wrap:anywhere; font-size:13px; color:#374151; margin:0 0 8px 0;\">\n    \u8ff7\u3046\u30dd\u30a4\u30f3\u30c8\u304c1\u3064\u3067\u3082\u5f53\u3066\u306f\u307e\u308b\u306a\u3089\u3001<strong>\u60c5\u5831\u5de5\u5b66\u7814\u7a76\u6240<\/strong>\u3078\u7121\u6599\u76f8\u8ac7\u3067\u3001\u5207\u308a\u5206\u3051\u3068\u53ce\u675f\u304c\u65e9\u304f\u306a\u308a\u3084\u3059\u3044\u3067\u3059\u3002\n  <\/div>\n  <div style=\"max-width:100%; box-sizing:border-box; overflow:visible; border:1px solid #e5e7eb; border-radius:3px; padding:10px; background:#f9fafb;\">\n    <div style=\"max-width:100%; overflow-wrap:anywhere; font-size:12px; color:#111827; margin:0;\">\n      \u30fbSMART\/NVMe\u30ed\u30b0\u304c\u53d6\u5f97\u3067\u304d\u306a\u3044\u3002<br\/>\n      \u30fbdmesg\/journalctl\u306bI\/O error\u304c\u9023\u767a\u3057\u3066\u3044\u308b\u3002<br\/>\n      \u30fbUSB-SATA\u5909\u63db\/\u5916\u4ed8\u3051\u30b1\u30fc\u30b9\/\u30b1\u30fc\u30d6\u30eb\u8d77\u56e0\u304b\u81ea\u4fe1\u304c\u306a\u3044\u3002<br\/>\n      \u30fbRAID\/LVM\/\u6697\u53f7\u5316\u304c\u7d61\u307f\u3001\u3069\u3053\u304b\u3089\u4fdd\u5168\u3059\u3079\u304d\u304b\u8ff7\u3063\u305f\u3089\u3002<br\/>\n      \u30fbfsck\u3084\u4fee\u5fa9\u30b3\u30de\u30f3\u30c9\u3092\u6253\u3064\u524d\u306b\u3001\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u512a\u5148\u304b\u5224\u65ad\u3067\u304d\u306a\u3044\u3002<br\/>\n      \u30fb\u672c\u756a\u30c7\u30fc\u30bf\u3067\u505c\u6b62\u6642\u9593\u304c\u53d6\u308c\u305a\u3001\u6700\u5c0f\u5f71\u97ff\u3067\u5207\u308a\u5206\u3051\u305f\u3044\u3002<br\/>\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      \u30fb\u30a4\u30e1\u30fc\u30b8\u53d6\u5f97\uff08ddrescue\u7b49\uff09\u306e\u9806\u756a\u3084\u5bfe\u8c61\u7bc4\u56f2\u3067\u8ff7\u3063\u305f\u3089\u3002<br\/>\n    <\/div>\n  <\/div>\n\n  <div style=\"max-width:100%; box-sizing:border-box; overflow:visible; height:10px;\"><\/div>\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:700; 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:700; 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:700; box-sizing:border-box;\">\u6280\u8853\u8005\u76f4\u901a\uff08043-422-4240\uff09<\/a>\n  <\/div>\n\n  <div style=\"max-width:100%; box-sizing:border-box; overflow:visible; height:10px;\"><\/div>\n  <div style=\"max-width:100%; overflow-wrap:anywhere; font-size:150%; font-weight:800; color:#111827; margin:0;\">\u6839\u672c\u7684\u306a\u89e3\u6c7a\u3068BCP\u5bfe\u7b56\u306f\u4ee5\u4e0b\u672c\u6587\u3078\u3002<\/div>\n<\/div>\n\n  <\/div>\n<\/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-57d8f71 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"57d8f71\" 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-4ee4cad\" data-id=\"4ee4cad\" 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-e9fd07e elementor-widget elementor-widget-html\" data-id=\"e9fd07e\" data-element_type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\r\n\r\n<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(5)\u306f\u300c\u30d0\u30b0\u300d\u3088\u308a\u300c\u30b9\u30c8\u30ec\u30fc\u30b8\u306e\u60b2\u9cf4\u300d\u2014\u307e\u305a\u4f55\u3092\u6b62\u3081\u308b\u304b<\/a><\/li> <li style=\"margin:40px 0;\"><a href=\"#sec02\">\u7b2c2\u7ae0\uff1a\u518d\u73fe\u6761\u4ef6\u3092\u30e1\u30e2\u3057\u3066\u8a3c\u62e0\u3092\u6b8b\u3059\u2014dmesg\/journalctl\/SMART\u306e\u6700\u77ed\u63a1\u53d6<\/a><\/li> <li style=\"margin:40px 0;\"><a href=\"#sec03\">\u7b2c3\u7ae0\uff1a\u3069\u3053\u3067I\/O\u304c\u843d\u3061\u305f\uff1f\u5c64\u5225\u30c8\u30ea\u30a2\u30fc\u30b8\uff08\u30a2\u30d7\u30ea\/FS\/\u30d6\u30ed\u30c3\u30af\/\u30c7\u30d0\u30a4\u30b9\uff09<\/a><\/li> <li style=\"margin:40px 0;\"><a href=\"#sec04\">\u7b2c4\u7ae0\uff1admesg\u306e\u5178\u578b\u30d1\u30bf\u30fc\u30f3\u3092\u8aad\u3080\u2014reset\/timeout\/ext4 error\/nvme error<\/a><\/li> <li style=\"margin:40px 0;\"><a href=\"#sec05\">\u7b2c5\u7ae0\uff1aSMART\u3067\u300c\u5bff\u547d\u300d\u3092\u6570\u5024\u5316\u2014Reallocated\/Pending\/Uncorrectable\u3068SSD\u306e\u6ce8\u610f\u70b9<\/a><\/li> <li style=\"margin:40px 0;\"><a href=\"#sec06\">\u7b2c6\u7ae0\uff1a\u7269\u7406\u539f\u56e0\u3092\u6f70\u3059\u2014\u30b1\u30fc\u30d6\u30eb\u30fb\u96fb\u6e90\u30fb\u30dd\u30fc\u30c8\u30fb\u6e29\u5ea6\u30fb\u7b50\u4f53\u306e\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8<\/a><\/li> <li style=\"margin:40px 0;\"><a href=\"#sec07\">\u7b2c7\u7ae0\uff1a\u8aad\u307f\u53d6\u308a\u512a\u5148\u306e\u9000\u907f\u6226\u7565\u2014ddrescue\u30a4\u30e1\u30fc\u30b8\u5316\u3068\u300c\u3084\u3063\u3066\u306f\u3044\u3051\u306a\u3044\u66f8\u304d\u8fbc\u307f\u300d<\/a><\/li> <li style=\"margin:40px 0;\"><a href=\"#sec08\">\u7b2c8\u7ae0\uff1a\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u5fa9\u65e7\u306e\u9806\u756a\u2014ro\u30de\u30a6\u30f3\u30c8\u3001fsck\u524d\u306e\u5224\u65ad\u3001superblock\u6551\u6e08<\/a><\/li> <li style=\"margin:40px 0;\"><a href=\"#sec09\">\u7b2c9\u7ae0\uff1aRAID\/LVM\/\u6697\u53f7\u5316\/\u4eee\u60f3\u5316\u306e\u843d\u3068\u3057\u7a74\u2014\u4e0b\u5c64EIO\u3092\u898b\u9003\u3055\u306a\u3044\u89b3\u6e2c\u70b9<\/a><\/li> <li style=\"margin:40px 0;\"><a href=\"#sec10\">\u7b2c10\u7ae0\uff1a\u5e30\u7d50\uff1aEIO\u3092\u4e00\u904e\u6027\u3067\u7d42\u308f\u3089\u305b\u306a\u3044\u2014\u76e3\u8996\/\u5197\u9577\u5316\/\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u8a2d\u8a08\u3068\u76f8\u8ac7\u57fa\u6e96<\/a><\/li> <\/ul> <\/div> \r\n\r\n\r\n\r\n<p><strong>\u3010\u6ce8\u610f\u3011<\/strong> Ubuntu\u3067EIO(5)\u306e\u300cI\/O error\u300d\u304c\u51fa\u3066\u3044\u308b\u72b6\u614b\u306f\u3001\u30b9\u30c8\u30ec\u30fc\u30b8\u3084\u7d4c\u8def\uff08SSD\/HDD\u30fb\u30b1\u30fc\u30d6\u30eb\u30fb\u96fb\u6e90\u30fb\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u7b49\uff09\u304c\u4e0d\u5b89\u5b9a\u5316\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u304f\u3001\u81ea\u5df1\u6d41\u306e\u4fee\u7406\u3084\u5fa9\u65e7\u4f5c\u696d\uff08\u5206\u89e3\u30fb\u901a\u96fb\u306e\u7e70\u308a\u8fd4\u3057\u30fbfsck\u5b9f\u884c\u30fb\u4e0a\u66f8\u304d\u30b3\u30d4\u30fc\u7b49\uff09\u3067\u72b6\u6cc1\u304c\u60aa\u5316\u3057\u3084\u3059\u3044\u5c40\u9762\u3067\u3059\u3002\u30c7\u30fc\u30bf\u304c\u5fc5\u8981\u306a\u5834\u5408\u306f\u201c\u30c0\u30e1\u30fc\u30b8\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\uff08\u88ab\u5bb3\u6700\u5c0f\u5316\uff09\u201d\u3092\u6700\u512a\u5148\u306b\u3001\u65e9\u3044\u6bb5\u968e\u3067\u682a\u5f0f\u4f1a\u793e\u60c5\u5831\u5de5\u5b66\u7814\u7a76\u6240\u306e\u3088\u3046\u306a\u5c02\u9580\u4e8b\u696d\u8005\u3078\u76f8\u8ac7\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p> \r\n\r\n\r\n\r\n<p>\u3000<\/p> <a id=\"sec01\"><\/a> <h2 style=\"font-size:1.2em; font-weight:bold; text-decoration:underline;\">\u7b2c1\u7ae0\uff1aEIO(5)\u306f\u300c\u30d0\u30b0\u300d\u3088\u308a\u300c\u30b9\u30c8\u30ec\u30fc\u30b8\u306e\u60b2\u9cf4\u300d\u2014\u307e\u305a\u4f55\u3092\u6b62\u3081\u308b\u304b<\/h2> <p>\u73fe\u5834\u3067EIO\u3092\u898b\u308b\u3068\u3001\u3064\u3044\u30a2\u30d7\u30ea\u5074\u306e\u4e0d\u5177\u5408\u3084\u4e00\u6642\u7684\u306a\u8ca0\u8377\u3092\u7591\u3044\u305f\u304f\u306a\u308a\u307e\u3059\u3002\u300c\u6628\u65e5\u307e\u3067\u52d5\u3044\u3066\u305f\u3057\u3001\u30ea\u30c8\u30e9\u30a4\u3059\u308c\u3070\u901a\u308b\u3067\u3057\u3087\u300d\u3068\u601d\u3046\u306e\u306f\u81ea\u7136\u3067\u3059\u3002\u305f\u3060\u3001errno=EIO\u306f\u201c\u5165\u51fa\u529b\u305d\u306e\u3082\u306e\u304c\u6210\u7acb\u3057\u306a\u304b\u3063\u305f\u201d\u3053\u3068\u3092\u793a\u3059\u305f\u3081\u3001\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u3088\u308a\u4e0b\u306e\u5c64\uff08\u30d6\u30ed\u30c3\u30af\u30c7\u30d0\u30a4\u30b9\u3001\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u3001\u5a92\u4f53\u3001\u7d4c\u8def\uff09\u3067\u306e\u5931\u6557\u3092\u5f37\u304f\u793a\u5506\u3057\u307e\u3059\u3002\u3053\u3053\u3067\u7126\u3063\u3066\u66f8\u304d\u8fbc\u307f\u3092\u7d9a\u3051\u308b\u3068\u3001\u30ed\u30b0\u3084\u30b8\u30e3\u30fc\u30ca\u30eb\u304c\u5897\u3048\u3066\u56de\u5fa9\u4e0d\u80fd\u9818\u57df\u304c\u5e83\u304c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p> <hr> <h3>\u6700\u521d\u306e30\u79d2\u3067\u3084\u308b\u3053\u3068\uff08\u5b89\u5168\u306a\u521d\u52d5\uff09<\/h3> <ul> <li>\u30a2\u30d7\u30ea\u3084\u30d0\u30c3\u30c1\u3092\u6b62\u3081\u3001<strong>\u66f8\u304d\u8fbc\u307f\u3092\u6b62\u3081\u308b<\/strong>\uff08DB\u3001\u30ed\u30b0\u53ce\u96c6\u3001\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3001\u540c\u671f\u30c4\u30fc\u30eb\u3001CI\/CD\u306a\u3069\uff09\u3002<\/li> <li>\u53ef\u80fd\u306a\u3089\u8a72\u5f53\u30dc\u30ea\u30e5\u30fc\u30e0\u3092<strong>\u8aad\u307f\u53d6\u308a\u5c02\u7528\uff08ro\uff09<\/strong>\u306b\u5207\u308a\u66ff\u3048\u308b\uff08\u5f8c\u8ff0\u306e\u5224\u65ad\u304c\u3064\u304f\u307e\u3067\u300c\u76f4\u3059\u300d\u3088\u308a\u300c\u5b88\u308b\u300d\uff09\u3002<\/li> <li>\u30a8\u30e9\u30fc\u304c\u51fa\u305f\u6642\u523b\u3068\u4f5c\u696d\u5185\u5bb9\u3092\u30e1\u30e2\u3059\u308b\uff08\u66f4\u65b0\u3001\u518d\u8d77\u52d5\u3001\u30b1\u30fc\u30d6\u30eb\u629c\u304d\u5dee\u3057\u3001\u505c\u96fb\u3001\u6e29\u5ea6\u4e0a\u6607\u3001\u79fb\u8a2d\u306a\u3069\uff09\u3002<\/li> <li>\u201c\u5fa9\u65e7\u201d\u306e\u4e3b\u6226\u5834\u306f<strong>\u539f\u672c\u30c7\u30a3\u30b9\u30af\u3067\u306f\u306a\u304f\u3001\u9000\u907f\u3057\u305f\u30a4\u30e1\u30fc\u30b8<\/strong>\u306b\u79fb\u3057\u3066\u304b\u3089\u306b\u3059\u308b\u3002<\/li> <\/ul> <p>\u300c\u3067\u3082\u3001\u30b5\u30fc\u30d3\u30b9\u3092\u6b62\u3081\u3089\u308c\u306a\u3044\u3093\u3060\u3088\u306a\u2026\u300d\u3068\u3044\u3046\u58f0\u3082\u5206\u304b\u308a\u307e\u3059\u3002\u3060\u304b\u3089\u3053\u305d\u3001\u307e\u305a\u201c\u88ab\u5bb3\u6700\u5c0f\u5316\u201d\u306e\u610f\u601d\u6c7a\u5b9a\u304c\u5fc5\u8981\u3067\u3059\u3002EIO\u304c\u51fa\u308b\u72b6\u614b\u3067\u306e\u7d99\u7d9a\u904b\u7528\u306f\u3001\u969c\u5bb3\u306e\u518d\u73fe\u6027\u3092\u4e0a\u3052\u308b\u3068\u3044\u3046\u3088\u308a\u3001\u5a92\u4f53\u306e\u8ffd\u52a0\u52a3\u5316\u3084\u30e1\u30bf\u30c7\u30fc\u30bf\u7834\u640d\u306e\u78ba\u7387\u3092\u4e0a\u3052\u3084\u3059\u3044\u884c\u70ba\u3067\u3059\u3002<\/p> <hr> <h3>\u75c7\u72b6 \u2192 \u53d6\u308b\u3079\u304d\u884c\u52d5\uff08\u5148\u306b\u7f6e\u304f\u5224\u65ad\u8868\uff09<\/h3> <table style=\"border-collapse:collapse; width:100%;\"> <tr> <th style=\"background-color:#eeeeee; border:1px solid #ccc; padding:6px;\">\u75c7\u72b6\uff08\u89b3\u6e2c\uff09<\/th> <th style=\"background-color:#eeeeee; border:1px solid #ccc; padding:6px;\">\u307e\u305a\u53d6\u308b\u3079\u304d\u884c\u52d5<\/th> <th style=\"background-color:#eeeeee; border:1px solid #ccc; padding:6px;\">\u907f\u3051\u305f\u3044\u884c\u52d5<\/th> <\/tr> <tr> <td style=\"border:1px solid #ccc; padding:6px;\">\u8aad\u307f\u8fbc\u307f\u3067I\/O error\u3001\u518d\u8a66\u884c\u3067\u901a\u308b\/\u901a\u3089\u306a\u3044\u304c\u6df7\u5728<\/td> <td style=\"border:1px solid #ccc; padding:6px;\">\u66f8\u304d\u8fbc\u307f\u505c\u6b62\u2192\u30ed\u30b0\u63a1\u53d6\u2192SMART\u78ba\u8a8d\u2192\u91cd\u8981\u30c7\u30fc\u30bf\u306f\u30a4\u30e1\u30fc\u30b8\u9000\u907f\u3092\u512a\u5148<\/td> <td style=\"border:1px solid #ccc; padding:6px;\">\u305d\u306e\u5834\u3067fsck\u3001\u4e0a\u66f8\u304d\u30b3\u30d4\u30fc\u3001\u540c\u4e00\u30c7\u30a3\u30b9\u30af\u5185\u3067\u306e\u9000\u907f<\/td> <\/tr> <tr> <td style=\"border:1px solid #ccc; padding:6px;\">ext4 error \/ journal abort \/ remount-ro \u304c\u51fa\u308b<\/td> <td style=\"border:1px solid #ccc; padding:6px;\">ro\u7dad\u6301\u2192\u9000\u907f\u2192\u5fa9\u65e7\u306f\u30a4\u30e1\u30fc\u30b8\u4e0a\u3067\u691c\u8a0e\uff08fsck\u306f\u9806\u756a\u304c\u91cd\u8981\uff09<\/td> <td style=\"border:1px solid #ccc; padding:6px;\">\u539f\u672c\u3067\u306e\u5f37\u5236fsck\u3001\u518d\u8d77\u52d5\u9023\u6253\u3001\u30ed\u30b0\u80a5\u5927\u5316<\/td> <\/tr> <tr> <td style=\"border:1px solid #ccc; padding:6px;\">nvme reset \/ I\/O timeout \/ ata link reset \u304c\u7e70\u308a\u8fd4\u3057<\/td> <td style=\"border:1px solid #ccc; padding:6px;\">\u6e29\u5ea6\u30fb\u96fb\u6e90\u30fb\u30b1\u30fc\u30d6\u30eb\/\u30d0\u30c3\u30af\u30d7\u30ec\u30fc\u30f3\u78ba\u8a8d\u2192\u5225\u30dd\u30fc\u30c8\u3067\u518d\u691c\u8a3c\u2192\u65e9\u671f\u306e\u9000\u907f<\/td> <td style=\"border:1px solid #ccc; padding:6px;\">\u8ca0\u8377\u3092\u639b\u3051\u308b\u30d9\u30f3\u30c1\u30de\u30fc\u30af\u3001\u9577\u6642\u9593\u306e\u9023\u7d9a\u66f8\u304d\u8fbc\u307f<\/td> <\/tr> <tr> <td style=\"border:1px solid #ccc; padding:6px;\">RAID\/LVM\/\u6697\u53f7\u5316\u914d\u4e0b\u3067EIO\u3001degraded\u3084read error\u304c\u51fa\u308b<\/td> <td style=\"border:1px solid #ccc; padding:6px;\">\u69cb\u6210\u3092\u8a18\u9332\u2192\u30e1\u30f3\u30d0\u30fc\u5358\u4f4d\u3067\u72b6\u614b\u78ba\u8a8d\u2192\u624b\u9806\u3092\u8aa4\u3089\u306a\u3044\u305f\u3081\u65e9\u671f\u76f8\u8ac7<\/td> <td style=\"border:1px solid #ccc; padding:6px;\">\u5b89\u6613\u306arebuild\u3001\u30c7\u30a3\u30b9\u30af\u9806\u5e8f\u306e\u53d6\u308a\u9055\u3048\u3001\u521d\u898b\u306e\u624b\u9806\u3067\u5fa9\u65e7\u4f5c\u696d<\/td> <\/tr> <\/table> <hr> <h3>\u4eca\u3059\u3050\u76f8\u8ac7\u3059\u3079\u304d\u6761\u4ef6\uff08\u4e00\u822c\u8ad6\u306e\u9650\u754c\u304c\u6765\u308b\u30e9\u30a4\u30f3\uff09<\/h3> <ul> <li>\u696d\u52d9\u30c7\u30fc\u30bf\u30fb\u9867\u5ba2\u30c7\u30fc\u30bf\u306a\u3069\u3001\u5931\u3046\u3068\u640d\u5931\u304c\u5927\u304d\u3044\u3002<\/li> <li>EIO\u306e\u983b\u5ea6\u304c\u5897\u3048\u3066\u3044\u308b\uff0f\u540c\u3058\u30d5\u30a1\u30a4\u30eb\u3092\u8aad\u3080\u305f\u3073\u5931\u6557\u3059\u308b\u3002<\/li> <li>SMART\u306b\u7570\u5e38\uff08Pending\/Uncorrectable\u3001\u30e1\u30c7\u30a3\u30a2\u30a8\u30e9\u30fc\u3001\u5bff\u547d\u4f4e\u4e0b\uff09\u304c\u898b\u3048\u308b\u3002<\/li> <li>RAID\/LVM\/\u6697\u53f7\u5316\/\u4eee\u60f3\u5316\u304c\u7d61\u307f\u3001\u69cb\u6210\u306e\u5224\u65ad\u30df\u30b9\u304c\u81f4\u547d\u50b7\u306b\u306a\u308a\u5f97\u308b\u3002<\/li> <li>\u7570\u97f3\u30fb\u904e\u71b1\u30fb\u96fb\u6e90\u4e0d\u5b89\u5b9a\u306a\u3069\u3001\u7269\u7406\u8981\u56e0\u304c\u7591\u308f\u308c\u308b\u3002<\/li> <\/ul> <p>\u300c\u81ea\u5206\u3067\u76f4\u3057\u305f\u3044\u300d\u6c17\u6301\u3061\u306f\u5065\u5168\u3067\u3059\u304c\u3001EIO\u306f\u201c\u76f4\u3059\u201d\u3088\u308a\u5148\u306b\u201c\u5b88\u308b\u201d\u5224\u65ad\u304c\u5fc5\u8981\u306b\u306a\u308a\u3084\u3059\u3044\u985e\u578b\u3067\u3059\u3002\u500b\u5225\u6848\u4ef6\u3067\u306f\u3001\u6a5f\u5668\u306e\u578b\u756a\u3001\u63a5\u7d9a\u65b9\u5f0f\u3001\u30ed\u30b0\u306e\u51fa\u65b9\u3001\u30c7\u30fc\u30bf\u91cd\u8981\u5ea6\u3001\u8a31\u5bb9\u505c\u6b62\u6642\u9593\u306b\u3088\u3063\u3066\u6700\u9069\u89e3\u304c\u5909\u308f\u308a\u307e\u3059\u3002\u8ff7\u3063\u305f\u6642\u70b9\u3067\u3001<strong>\u682a\u5f0f\u4f1a\u793e\u60c5\u5831\u5de5\u5b66\u7814\u7a76\u6240\u3078\u306e\u7121\u6599\u76f8\u8ac7<\/strong>\u3092\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p> <ul> <li>\u554f\u3044\u5408\u308f\u305b\u30d5\u30a9\u30fc\u30e0\uff1a<a href=\"https:\/\/jouhou.main.jp\/?page_id=26983\">https:\/\/jouhou.main.jp\/?page_id=26983<\/a><\/li> <li>\u96fb\u8a71\uff1a0120-838-831<\/li> <\/ul> \r\n\r\n\r\n\r\n<p>\u3000<\/p> <a id=\"sec02\"><\/a> <h2 style=\"font-size:1.2em; font-weight:bold; text-decoration:underline;\">\u7b2c2\u7ae0\uff1a\u518d\u73fe\u6761\u4ef6\u3092\u30e1\u30e2\u3057\u3066\u8a3c\u62e0\u3092\u6b8b\u3059\u2014dmesg\/journalctl\/SMART\u306e\u6700\u77ed\u63a1\u53d6<\/h2> <p>\u300c\u30a8\u30e9\u30fc\u304c\u51fa\u305f\u308a\u51fa\u306a\u304b\u3063\u305f\u308a\u300d\u3067\u4e00\u756a\u3064\u3089\u3044\u306e\u306f\u3001\u539f\u56e0\u304c\u898b\u3048\u306a\u3044\u307e\u307e\u6642\u9593\u3060\u3051\u304c\u6eb6\u3051\u308b\u3053\u3068\u3067\u3059\u3002\u3053\u3053\u3067\u5927\u4e8b\u306a\u306e\u306f\u201c\u4fee\u5fa9\u3092\u6025\u3050\u201d\u3088\u308a\u3001<strong>\u8a3a\u65ad\u306b\u5fc5\u8981\u306a\u8a3c\u62e0\u3092\u6700\u77ed\u3067\u56fa\u3081\u308b<\/strong>\u3053\u3068\u3067\u3059\u3002\u8a3c\u62e0\u304c\u63c3\u3046\u3068\u3001\u3084\u308b\u3079\u304d\u3053\u3068\u304c\u300c\u63a8\u6e2c\u300d\u304b\u3089\u300c\u624b\u9806\u300d\u306b\u5909\u308f\u308a\u307e\u3059\u3002<\/p> <hr> <h3>\u307e\u305a\u6b8b\u3059\u3079\u304d\u30e1\u30e2\uff081\u5206\u3067\u826f\u3044\uff09<\/h3> <ul> <li>\u767a\u751f\u6642\u523b\uff08\u304a\u304a\u3088\u305d\u3067\u826f\u3044\uff09\u3068\u76f4\u524d\u306e\u64cd\u4f5c\uff08\u66f4\u65b0\u3001\u518d\u8d77\u52d5\u3001\u79fb\u8a2d\u3001\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3001rsync\u3001\u30ed\u30b0\u30ed\u30fc\u30c6\u30fc\u30c8\u306a\u3069\uff09\u3002<\/li> <li>\u30a8\u30e9\u30fc\u304c\u51fa\u305f\u5bfe\u8c61\uff08\u30d1\u30b9\u3001\u30de\u30a6\u30f3\u30c8\u30dd\u30a4\u30f3\u30c8\u3001\u30c7\u30d0\u30a4\u30b9\u540d\u306e\u898b\u5f53\uff09\u3002<\/li> <li>\u300c\u8aad\u307f\u8fbc\u307f\u3067\u51fa\u305f\u304b\uff0f\u66f8\u304d\u8fbc\u307f\u3067\u51fa\u305f\u304b\u300d\u300c\u7279\u5b9a\u30d5\u30a1\u30a4\u30eb\u3060\u3051\u304b\uff0f\u5168\u4f53\u304b\u300d\u3002<\/li> <\/ul> <hr> <h3>\u30ab\u30fc\u30cd\u30eb\u30ed\u30b0\uff08EIO\u306e\u201c\u672c\u4f53\u201d\u304c\u51fa\u3084\u3059\u3044\uff09<\/h3> <p>Ubuntu\u3067\u306f\u3001\u30a2\u30d7\u30ea\u5074\u306e\u30b9\u30bf\u30c3\u30af\u30c8\u30ec\u30fc\u30b9\u3088\u308a\u3001\u30ab\u30fc\u30cd\u30eb\u30ed\u30b0\u306e\u65b9\u304c\u539f\u56e0\u306b\u76f4\u7d50\u3057\u307e\u3059\u3002\u3067\u304d\u308c\u3070\u5225\u30c7\u30a3\u30b9\u30af\u3084\u4e00\u6642\u9818\u57df\u306b\u4fdd\u5b58\u3057\u3066\u304f\u3060\u3055\u3044\uff08\u540c\u4e00\u969c\u5bb3\u30c7\u30a3\u30b9\u30af\u3078\u306e\u8ffd\u52a0\u66f8\u304d\u8fbc\u307f\u306f\u907f\u3051\u308b\u305f\u3081\u3067\u3059\uff09\u3002<\/p> <pre><code>dmesg -T | tail -n 200 journalctl -k -b --no-pager | tail -n 300 journalctl -k --since \"2026-01-23 00:00:00\" --no-pager | tail -n 400<\/code><\/pre> <p>\u3053\u3053\u3067\u898b\u305f\u3044\u306e\u306f\u3001\u4f8b\u3048\u3070\u6b21\u306e\u3088\u3046\u306a\u201c\u5c64\u304c\u4e0b\u304c\u308b\u201d\u8868\u73fe\u3067\u3059\u3002<\/p> <ul> <li>timeout \/ reset \/ link is down \/ controller reset<\/li> <li>blk_update_request: I\/O error \/ Buffer I\/O error<\/li> <li>ext4\uff08\u307e\u305f\u306fxfs\/btrfs\uff09\u306e error \/ journal abort \/ remount read-only<\/li> <li>nvme error \/ media error \/ I\/O queue stuck<\/li> <\/ul> <hr> <h3>\u30c7\u30d0\u30a4\u30b9\u3068\u30de\u30a6\u30f3\u30c8\u306e\u5bfe\u5fdc\u95a2\u4fc2\uff08\u53d6\u308a\u9055\u3048\u9632\u6b62\uff09<\/h3> <pre><code>lsblk -o NAME,SIZE,FSTYPE,TYPE,MOUNTPOINT,MODEL,SERIAL blkid mount | column -t df -hT<\/code><\/pre> <p>\u300c\/var \u304c\u5225\u30c7\u30a3\u30b9\u30af\u300d\u300c\/home \u304cLVM\u300d\u300c\u30b3\u30f3\u30c6\u30ca\u9818\u57df\u304c\u5225\u30dc\u30ea\u30e5\u30fc\u30e0\u300d\u306a\u3069\u3001\u601d\u3044\u8fbc\u307f\u3067\u5bfe\u8c61\u3092\u8aa4\u308b\u3068\u5fa9\u65e7\u306e\u9806\u756a\u304c\u5d29\u308c\u307e\u3059\u3002\u69cb\u6210\u304c\u8907\u96d1\u306a\u307b\u3069\u3001\u307e\u305a\u201c\u5730\u56f3\u201d\u3092\u4f5c\u308b\u306e\u304c\u5b89\u5168\u3067\u3059\u3002<\/p> <hr> <h3>SMART\/NVMe\u60c5\u5831\uff08\u52a3\u5316\u3068\u4e0d\u826f\u30bb\u30af\u30bf\u306e\u5146\u5019\uff09<\/h3> <p>HDD\/SSD\u3067\u624b\u6bb5\u304c\u5909\u308f\u308a\u307e\u3059\u3002SMART\u306f\u201c\u65ad\u5b9a\u201d\u3067\u306f\u306a\u304f\u201c\u5224\u65ad\u6750\u6599\u201d\u3067\u3059\u304c\u3001EIO\u5c40\u9762\u3067\u306f\u975e\u5e38\u306b\u5f37\u3044\u6750\u6599\u306b\u306a\u308a\u307e\u3059\u3002<\/p> <pre><code># SATA\/SAS\u7cfb\uff08smartmontools\uff09 sudo smartctl -a \/dev\/sdX sudo smartctl -x \/dev\/sdX # NVMe\u7cfb sudo nvme smart-log \/dev\/nvme0 sudo nvme error-log \/dev\/nvme0 --log-len=64 sudo nvme list<\/code><\/pre> <p>\u7279\u306b\u6b21\u304c\u5897\u3048\u3066\u3044\u308b\u306a\u3089\u3001\u66f8\u304d\u8fbc\u307f\u7d99\u7d9a\u3088\u308a\u9000\u907f\u512a\u5148\u306b\u50be\u3051\u308b\u306e\u304c\u73fe\u5b9f\u7684\u3067\u3059\u3002<\/p> <ul> <li>Reallocated Sector Count\uff08\u4ee3\u66ff\u51e6\u7406\u6e08\u307f\uff09<\/li> <li>Current Pending Sector \/ Offline Uncorrectable\uff08\u672a\u78ba\u5b9a\u4e0d\u826f\uff09<\/li> <li>NVMe\u306emedia errors\u3001critical warning\u3001spare\u306e\u4f4e\u4e0b<\/li> <\/ul> <hr> <h3>\u201c\u8efd\u304f\u898b\u308b\u201d\u305f\u3081\u306e\u8ca0\u8377\u6e2c\u5b9a\u306f\u5f8c\u56de\u3057<\/h3> <p>iostat\u3084\u30d9\u30f3\u30c1\u30de\u30fc\u30af\u3067\u72b6\u6cc1\u3092\u898b\u305f\u304f\u306a\u308b\u5834\u9762\u304c\u3042\u308a\u307e\u3059\u304c\u3001EIO\u304c\u51fa\u3066\u3044\u308b\u5a92\u4f53\u306b\u8ffd\u52a0\u8ca0\u8377\u3092\u639b\u3051\u308b\u3068\u3001\u5931\u6557\u304c\u5897\u3048\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u89b3\u6e2c\u306f\u5fc5\u8981\u3067\u3059\u304c\u3001\u307e\u305a\u306f\u30ed\u30b0\u3068SMART\u3067\u201c\u5341\u5206\u306a\u6839\u62e0\u201d\u3092\u4f5c\u308a\u3001\u6b21\u306b\u5b89\u5168\u306a\u9000\u907f\u8a08\u753b\u3078\u9032\u3081\u308b\u65b9\u304c\u4e8b\u6545\u304c\u6e1b\u308a\u307e\u3059\u3002<\/p> \r\n\r\n\r\n\r\n<p>\u3000<\/p> <a id=\"sec03\"><\/a> <h2 style=\"font-size:1.2em; font-weight:bold; text-decoration:underline;\">\u7b2c3\u7ae0\uff1a\u3069\u3053\u3067I\/O\u304c\u843d\u3061\u305f\uff1f\u5c64\u5225\u30c8\u30ea\u30a2\u30fc\u30b8\uff08\u30a2\u30d7\u30ea\/FS\/\u30d6\u30ed\u30c3\u30af\/\u30c7\u30d0\u30a4\u30b9\uff09<\/h2> <p>\u73fe\u5834\u306e\u30e2\u30e4\u30e2\u30e4\u306f\u3060\u3044\u305f\u3044\u3053\u3053\u306b\u96c6\u7d04\u3057\u307e\u3059\u3002\u300c\u30a2\u30d7\u30ea\u304c\u843d\u3061\u305f\u306e\u304b\u3001\u30c7\u30a3\u30b9\u30af\u304c\u58ca\u308c\u305f\u306e\u304b\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306a\u306e\u304b\u300d\u3002\u3053\u306e\u6df7\u7dda\u3092\u307b\u3069\u304f\u306b\u306f\u3001I\/O\u3092\u201c\u5c64\u201d\u3067\u5206\u3051\u3066\u89b3\u6e2c\u3057\u307e\u3059\u3002\u5c64\u5225\u306b\u898b\u308c\u3070\u3001\u540c\u3058EIO\u3067\u3082\u6253\u3061\u624b\u304c\u5909\u308f\u308b\u7406\u7531\u304c\u8179\u843d\u3061\u3057\u307e\u3059\u3002<\/p> <hr> <h3>\u5c64\u5225\u30c8\u30ea\u30a2\u30fc\u30b8\u8868\uff08\u89b3\u6e2c\u70b9\u2192\u6b21\u306e\u4e00\u624b\uff09<\/h3> <table style=\"border-collapse:collapse; width:100%;\"> <tr> <th style=\"background-color:#eeeeee; border:1px solid #ccc; padding:6px;\">\u5c64<\/th> <th style=\"background-color:#eeeeee; border:1px solid #ccc; padding:6px;\">\u89b3\u6e2c\u70b9<\/th> <th style=\"background-color:#eeeeee; border:1px solid #ccc; padding:6px;\">\u5178\u578b\u30b5\u30a4\u30f3<\/th> <th style=\"background-color:#eeeeee; border:1px solid #ccc; padding:6px;\">\u6b21\u306e\u6253\u3061\u624b<\/th> <\/tr> <tr> <td style=\"background-color:#eeeeee; border:1px solid #ccc; padding:6px;\">\u30a2\u30d7\u30ea\u5c64<\/td> <td style=\"border:1px solid #ccc; padding:6px;\">\u30a2\u30d7\u30ea\u30ed\u30b0\u3001\u4f8b\u5916\u3001\u623b\u308a\u5024(errno)<\/td> <td style=\"border:1px solid #ccc; padding:6px;\">read\/write\u3067EIO\u3001\u77ed\u6642\u9593\u306b\u591a\u767a<\/td> <td style=\"border:1px solid #ccc; padding:6px;\">\u5bfe\u8c61\u30d1\u30b9\/\u30dc\u30ea\u30e5\u30fc\u30e0\u7279\u5b9a\u2192OS\u5074\u30ed\u30b0\u3078\u964d\u308a\u308b<\/td> <\/tr> <tr> <td style=\"background-color:#eeeeee; border:1px solid #ccc; padding:6px;\">\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u5c64<\/td> <td style=\"border:1px solid #ccc; padding:6px;\">ext4\/xfs\/btrfs\u306e\u30a8\u30e9\u30fc\u3001remount-ro<\/td> <td style=\"border:1px solid #ccc; padding:6px;\">journal abort\u3001metadata error<\/td> <td style=\"border:1px solid #ccc; padding:6px;\">ro\u7dad\u6301\u2192\u9000\u907f\u2192fsck\u306f\u9806\u756a\u3068\u5bfe\u8c61\u3092\u53b3\u5bc6\u306b<\/td> <\/tr> <tr> <td style=\"background-color:#eeeeee; border:1px solid #ccc; padding:6px;\">\u30d6\u30ed\u30c3\u30af\u5c64<\/td> <td style=\"border:1px solid #ccc; padding:6px;\">blk_update_request\u3001Buffer I\/O error<\/td> <td style=\"border:1px solid #ccc; padding:6px;\">\u7279\u5b9aLBA\u4ed8\u8fd1\u3067\u5931\u6557\u304c\u504f\u308b<\/td> <td style=\"border:1px solid #ccc; padding:6px;\">ddrescue\u7b49\u3067\u8aad\u307f\u53d6\u308a\u512a\u5148\u306e\u30a4\u30e1\u30fc\u30b8\u5316<\/td> <\/tr> <tr> <td style=\"background-color:#eeeeee; border:1px solid #ccc; padding:6px;\">\u30c7\u30d0\u30a4\u30b9\/\u7d4c\u8def\u5c64<\/td> <td style=\"border:1px solid #ccc; padding:6px;\">timeout\/reset\/link down\u3001NVMe media error<\/td> <td style=\"border:1px solid #ccc; padding:6px;\">\u518d\u63a5\u7d9a\/\u30ea\u30bb\u30c3\u30c8\u304c\u7e70\u308a\u8fd4\u3057<\/td> <td style=\"border:1px solid #ccc; padding:6px;\">\u6e29\u5ea6\u30fb\u96fb\u6e90\u30fb\u30b1\u30fc\u30d6\u30eb\u30fb\u30dd\u30fc\u30c8\u78ba\u8a8d\u2192\u65e9\u671f\u9000\u907f\u2192\u5fc5\u8981\u306a\u3089\u5c02\u9580\u76f8\u8ac7<\/td> <\/tr> <\/table> <hr> <h3>\u300cEIO\u306a\u306e\u306bSMART\u304c\u7dba\u9e97\u300d\u554f\u984c<\/h3> <p>\u300cSMART\u306f\u554f\u984c\u306a\u3057\u3063\u3066\u51fa\u3066\u308b\u306e\u306b\u3001I\/O error\u306a\u3093\u3060\u3051\u3069\uff1f\u300d\u3068\u3044\u3046\u72b6\u6cc1\u3082\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u73cd\u3057\u304f\u3042\u308a\u307e\u305b\u3093\u3002\u305f\u3068\u3048\u3070\u7d4c\u8def\uff08\u30b1\u30fc\u30d6\u30eb\u30fb\u30d0\u30c3\u30af\u30d7\u30ec\u30fc\u30f3\u30fb\u30b3\u30cd\u30af\u30bf\uff09\u3084\u96fb\u6e90\u3001\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306e\u77ac\u65ad\u3001NVMe\u306e\u6e29\u5ea6\u30b9\u30ed\u30c3\u30c8\u30ea\u30f3\u30b0\u3084FW\u8d77\u56e0\u306e\u30ea\u30bb\u30c3\u30c8\u306a\u3069\u3001\u5a92\u4f53\u305d\u306e\u3082\u306e\u306e\u201c\u5bff\u547d\u6307\u6a19\u201d\u306b\u51fa\u306b\u304f\u3044\u8981\u56e0\u304c\u3042\u308a\u5f97\u307e\u3059\u3002\u3060\u304b\u3089\u3053\u305d\u3001SMART\u5358\u72ec\u3067\u5b89\u5fc3\u305b\u305a\u3001\u30ab\u30fc\u30cd\u30eb\u30ed\u30b0\u306ereset\/timeout\u3068\u7a81\u304d\u5408\u308f\u305b\u307e\u3059\u3002<\/p> <hr> <h3>\u5bfe\u8c61\u306e\u5207\u308a\u5206\u3051\uff1a\u30ed\u30fc\u30ab\u30ebI\/O\u304b\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30afI\/O\u304b<\/h3> <p>EIO\u306f\u30ed\u30fc\u30ab\u30eb\u30c7\u30a3\u30b9\u30af\u3060\u3051\u3067\u306a\u304f\u3001NFS\/SMB\u3001iSCSI\u3001\u5206\u6563\u30b9\u30c8\u30ec\u30fc\u30b8\u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3067\u3082\u8d77\u304d\u307e\u3059\u3002\u3053\u3053\u3067\u91cd\u8981\u306a\u306e\u306f\u300c\u3069\u306e\u30c7\u30d0\u30a4\u30b9\u306b\u30de\u30c3\u30d7\u3055\u308c\u3066\u3044\u308b\u304b\u300d\u3067\u3059\u3002\u307e\u305a\u306f\u5bfe\u8c61\u30d1\u30b9\u304c\u3069\u306e\u30de\u30a6\u30f3\u30c8\u306b\u5c5e\u3059\u308b\u304b\u3092\u78ba\u5b9a\u3057\u3001\u30ed\u30fc\u30ab\u30eb\u30d6\u30ed\u30c3\u30af\u30c7\u30d0\u30a4\u30b9\u304b\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8d8a\u3057\u306e\u30de\u30a6\u30f3\u30c8\u304b\u3092\u5207\u308a\u5206\u3051\u307e\u3059\u3002\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8d8a\u3057\u306e\u5834\u5408\u306f\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306eEIO\u306e\u88cf\u3067\u30b5\u30fc\u30d0\u5074\u30ed\u30b0\u306b\u672c\u4f53\u304c\u3042\u308b\u3053\u3068\u3082\u591a\u3044\u306e\u3067\u3001\u89b3\u6e2c\u7bc4\u56f2\u3092\u5e83\u3052\u308b\u5224\u65ad\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002<\/p> <pre><code># \u5bfe\u8c61\u30d1\u30b9\u304c\u3069\u306e\u30de\u30a6\u30f3\u30c8\u306b\u5c5e\u3059\u308b\u304b df -hT \/path\/to\/target findmnt -T \/path\/to\/target<\/code><\/pre> <p>\u300c\u5c64\u5225\u306b\u898b\u308b\u300d\u3068\u3044\u3046\u3060\u3051\u3067\u3001\u6b21\u306e\u4e00\u624b\u304c\u201c\u3068\u308a\u3042\u3048\u305a\u518d\u8d77\u52d5\u201d\u304b\u3089\u201c\u5b89\u5168\u306a\u9000\u907f\u201d\u3078\u5909\u308f\u308a\u307e\u3059\u3002EIO\u306f\u3001\u6b63\u653b\u6cd5\u3067\u6bb5\u53d6\u308a\u3055\u3048\u5d29\u3055\u306a\u3051\u308c\u3070\u3001\u7d50\u679c\u3068\u3057\u3066\u640d\u5931\u3092\u5c0f\u3055\u304f\u3067\u304d\u308b\u3053\u3068\u304c\u591a\u3044\u9818\u57df\u3067\u3059\u3002<\/p> \r\n\r\n\r\n\r\n<p>\u3000<\/p> <a id=\"sec04\"><\/a> <h2 style=\"font-size:1.2em; font-weight:bold; text-decoration:underline;\">\u7b2c4\u7ae0\uff1admesg\u306e\u5178\u578b\u30d1\u30bf\u30fc\u30f3\u3092\u8aad\u3080\u2014reset\/timeout\/ext4 error\/nvme error<\/h2> <p>\u300c\u30ed\u30b0\u3092\u898b\u308d\u300d\u3068\u8a00\u308f\u308c\u3066\u3082\u3001\u73fe\u5834\u306f\u3060\u3044\u305f\u3044\u3053\u3046\u601d\u3044\u307e\u3059\u3002<br>\u300c\u898b\u305f\u3051\u3069\u3001\u82f1\u8a9e\u3060\u3057\u884c\u6570\u591a\u3044\u3057\u3001\u7d50\u5c40\u3069\u308c\u304c\u672c\u4f53\u306a\u306e\uff1f\u300d<\/p> <p>\u3053\u3053\u3067\u306e\u30b3\u30c4\u306f\u3001<strong>\u201c\u5c64\u304c\u4e0b\u304c\u308b\u5358\u8a9e\u201d<\/strong>\u3092\u62fe\u3046\u3053\u3068\u3067\u3059\u3002\u30a2\u30d7\u30ea\u540d\u3084\u30d1\u30b9\u306e\u5468\u8fba\u3060\u3051\u8ffd\u3046\u3068\u8ff7\u5b50\u306b\u306a\u308a\u307e\u3059\u3002EIO(5)\u306e\u5c40\u9762\u3067\u306f\u3001\u30d6\u30ed\u30c3\u30af\u5c64\u30fb\u30c7\u30d0\u30a4\u30b9\u5c64\u306b\u8fd1\u3044\u8a9e\u304c\u3001\u539f\u56e0\u306b\u76f4\u7d50\u3057\u3084\u3059\u3044\u304b\u3089\u3067\u3059\u3002<\/p> <hr> <h3>\u307e\u305a\u78ba\u8a8d\u3059\u308b\u30ed\u30b0\u306e\u53d6\u308a\u65b9\uff08\u76f4\u8fd1\uff0b\u767a\u751f\u6642\u523b\u5468\u8fba\uff09<\/h3> <pre><code>dmesg -T | tail -n 200 journalctl -k -b --no-pager | tail -n 300 # \u767a\u751f\u6642\u523b\u304c\u5206\u304b\u308b\u306a\u3089\u3001\u305d\u306e\u524d\u5f8c\u3092\u5e83\u3081\u306b journalctl -k --since \"2026-01-23 10:00:00\" --until \"2026-01-23 10:20:00\" --no-pager<\/code><\/pre> <hr> <h3>\u5178\u578b\u30d1\u30bf\u30fc\u30f31\uff1aSATA\/SAS\u7cfb\uff08sdX\/ataX\uff09\u3067\u898b\u3048\u308b\u8a9e<\/h3> <p>\u30b1\u30fc\u30d6\u30eb\u30fb\u30dd\u30fc\u30c8\u30fb\u30d0\u30c3\u30af\u30d7\u30ec\u30fc\u30f3\u30fb\u96fb\u6e90\u306a\u3069\u201c\u7d4c\u8def\u201d\u8d77\u56e0\u3067\u3082\u51fa\u3084\u3059\u3044\u30d1\u30bf\u30fc\u30f3\u3067\u3059\u3002\u6b21\u306e\u3088\u3046\u306a\u8a9e\u304c\u7e70\u308a\u8fd4\u3057\u51fa\u308b\u5834\u5408\u3001\u5a92\u4f53\u3060\u3051\u3067\u306a\u304f\u63a5\u7d9a\u7cfb\u3092\u7591\u3046\u4fa1\u5024\u304c\u3042\u308a\u307e\u3059\u3002<\/p> <ul> <li>ataX: hard resetting link \/ soft reset failed<\/li> <li>link is slow to respond \/ COMRESET failed<\/li> <li>failed command: READ DMA \/ WRITE FPDMA QUEUED<\/li> <li>blk_update_request: I\/O error, dev sdX, sector ...<\/li> <li>Buffer I\/O error on dev sdX..., logical block ...<\/li> <\/ul> <p>\u30dd\u30a4\u30f3\u30c8\u306f\u3001<strong>\u300creset\u3084link\u300d<\/strong>\u304c\u51fa\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3067\u3059\u3002\u30bb\u30af\u30bf\u756a\u53f7\u304c\u51fa\u308b\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u304c\u3001\u7d4c\u8def\u304c\u63fa\u308c\u3066\u3044\u308b\u3068\u201c\u5e83\u3044\u7bc4\u56f2\u304c\u4e0d\u5b89\u5b9a\u201d\u306b\u898b\u3048\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002<\/p> <hr> <h3>\u5178\u578b\u30d1\u30bf\u30fc\u30f32\uff1aNVMe\u7cfb\uff08nvme0n1\u306a\u3069\uff09\u3067\u898b\u3048\u308b\u8a9e<\/h3> <p>NVMe\u306f\u6e29\u5ea6\u3084\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u3001\u96fb\u6e90\u72b6\u614b\u3001PCIe\u30ea\u30f3\u30af\u306e\u554f\u984c\u304c\u7d61\u3080\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u4ee3\u8868\u7684\u306b\u306f\u6b21\u306e\u7cfb\u7d71\u3067\u3059\u3002<\/p> <ul> <li>nvme ... I\/O ... timeout<\/li> <li>nvme ... controller is down \/ reset controller<\/li> <li>nvme ... failed status: ... (\u4f8b\uff1amedia errors\u7cfb)<\/li> <li>pci ... AER: Corrected\/Uncorrected error\uff08PCIe\u30a8\u30e9\u30fc\uff09<\/li> <\/ul> <p>\u300ctimeout\u2192reset\u2192\u5fa9\u5e30\u300d\u3092\u7e70\u308a\u8fd4\u3059\u5834\u5408\u3001\u77ed\u6642\u9593\u306f\u52d5\u304f\u3088\u3046\u306b\u898b\u3048\u3066\u3082\u3001\u8ca0\u8377\u3084\u6e29\u5ea6\u3067\u518d\u767a\u3057\u307e\u3059\u3002\u3053\u3053\u3067\u7121\u7406\u306b\u66f8\u304d\u8fbc\u307f\u3092\u7d9a\u3051\u308b\u3068\u3001\u969c\u5bb3\u304c\u201c\u9032\u3080\u201d\u3060\u3051\u306b\u306a\u308a\u304c\u3061\u3067\u3059\u3002<\/p> <hr> <h3>\u5178\u578b\u30d1\u30bf\u30fc\u30f33\uff1a\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u306e\u81ea\u5df1\u9632\u885b\uff08remount-ro\uff09<\/h3> <p>ext4\u306a\u3069\u306f\u3001\u4e0b\u5c64I\/O\u306e\u5931\u6557\u3092\u53d7\u3051\u3066\u30e1\u30bf\u30c7\u30fc\u30bf\u6574\u5408\u6027\u3092\u5b88\u308b\u305f\u3081\u306b\u8aad\u307f\u53d6\u308a\u5c02\u7528\u3078\u5207\u308a\u66ff\u3048\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u30ed\u30b0\u306b\u6b21\u306e\u3088\u3046\u306a\u8da3\u65e8\u304c\u3042\u308c\u3070\u3001OS\u304c\u300c\u3053\u308c\u4ee5\u4e0a\u306e\u66f8\u304d\u8fbc\u307f\u306f\u5371\u306a\u3044\u300d\u3068\u8a00\u3063\u3066\u3044\u308b\u72b6\u614b\u3067\u3059\u3002<\/p> <ul> <li>EXT4-fs error ...<\/li> <li>Aborting journal on device ...<\/li> <li>Remounting filesystem read-only<\/li> <\/ul> <p>\u3053\u306e\u6bb5\u968e\u3067\u300c\u76f4\u3057\u305f\u3044\u304b\u3089fsck\u300d\u306f\u6c17\u6301\u3061\u3068\u3057\u3066\u5206\u304b\u308a\u307e\u3059\u3002\u305f\u3060\u3001<strong>\u539f\u672c\u306b\u5bfe\u3057\u3066fsck\u3092\u8d70\u3089\u305b\u308b\u5224\u65ad<\/strong>\u306f\u3001\u30c7\u30fc\u30bf\u9000\u907f\u306e\u6210\u5426\u306b\u76f4\u7d50\u3057\u307e\u3059\u3002\u5148\u306b\u30a4\u30e1\u30fc\u30b8\u9000\u907f\u3067\u304d\u308b\u72b6\u6cc1\u306a\u3089\u3001\u5fa9\u65e7\u4f5c\u696d\u306f\u30a4\u30e1\u30fc\u30b8\u4e0a\u3067\u691c\u8a0e\u3057\u305f\u65b9\u304c\u5b89\u5168\u3067\u3059\u3002<\/p> <hr> <h3>\u30ed\u30b0\u306e\u8aad\u307f\u65b9\uff1a\u540c\u3058\u6642\u523b\u306b\u4e26\u3076\u201c\u9023\u9396\u201d\u3092\u898b\u308b<\/h3> <p>\u4f8b\u3068\u3057\u3066\u3001\u30c7\u30d0\u30a4\u30b9\u5c64\u306etimeout\/reset \u2192 \u30d6\u30ed\u30c3\u30af\u5c64\u306eI\/O error \u2192 ext4\u306e\u30a8\u30e9\u30fc\u3001\u306e\u9806\u3067\u4e26\u3076\u306a\u3089\u3001\u539f\u56e0\u306f\u304b\u306a\u308a\u4e0b\u306b\u3042\u308a\u307e\u3059\u3002\u9006\u306b\u3001\u30a2\u30d7\u30ea\u5074\u3060\u3051\u304c\u9a12\u3044\u3067\u3044\u3066\u30ab\u30fc\u30cd\u30eb\u30ed\u30b0\u304c\u9759\u304b\u306a\u5834\u5408\u306f\u3001\u6a29\u9650\u30fb\u30d1\u30b9\u30fbNFS\/SMB\u5074\u306a\u3069\u5225\u306e\u5207\u308a\u53e3\u3082\u5fc5\u8981\u3067\u3059\u3002<\/p> <p>\u201c\u3069\u308c\u304c\u672c\u4f53\u304b\u5206\u304b\u3089\u306a\u3044\u201d\u72b6\u614b\u306f\u4e00\u822c\u8ad6\u3067\u7121\u7406\u3092\u3057\u304c\u3061\u3067\u3059\u3002\u30ed\u30b0\u306e\u65ad\u7247\u3060\u3051\u3067\u3082\u3001\u69cb\u6210\uff08RAID\/LVM\/\u6697\u53f7\u5316\/\u4eee\u60f3\u5316\uff09\u3068\u5408\u308f\u305b\u3066\u898b\u308c\u3070\u5224\u65ad\u304c\u5909\u308f\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u8ff7\u3044\u304c\u51fa\u305f\u6642\u70b9\u3067\u3001<strong>\u682a\u5f0f\u4f1a\u793e\u60c5\u5831\u5de5\u5b66\u7814\u7a76\u6240\u3078\u306e\u76f8\u8ac7<\/strong>\u3092\u691c\u8a0e\u3059\u308b\u306e\u304c\u3001\u7d50\u679c\u3068\u3057\u3066\u65e9\u3044\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002<\/p> \r\n\r\n\r\n\r\n<p>\u3000<\/p> <a id=\"sec05\"><\/a> <h2 style=\"font-size:1.2em; font-weight:bold; text-decoration:underline;\">\u7b2c5\u7ae0\uff1aSMART\u3067\u300c\u5bff\u547d\u300d\u3092\u6570\u5024\u5316\u2014Reallocated\/Pending\/Uncorrectable\u3068SSD\u306e\u6ce8\u610f\u70b9<\/h2> <p>\u73fe\u5834\u306e\u72ec\u308a\u8a00\u306f\u3060\u3044\u305f\u3044\u3053\u308c\u3067\u3059\u3002<br>\u300cSMART\u3063\u3066\u7d50\u5c40\u201cPASSED\u201d\u306a\u3089\u5927\u4e08\u592b\u306a\u3093\u3058\u3083\u306a\u3044\u306e\uff1f\u300d<\/p> <p>\u3053\u3053\u304c\u843d\u3068\u3057\u7a74\u3067\u3001SMART\u306f\u201c\u5408\u5426\u201d\u3068\u3044\u3046\u3088\u308a<strong>\u52a3\u5316\u3068\u4e0d\u826f\u306e\u5146\u5019\u3092\u8aad\u3080\u305f\u3081\u306e\u30c6\u30ec\u30e1\u30c8\u30ea<\/strong>\u3067\u3059\u3002\u7279\u306bEIO\u304c\u51fa\u3066\u3044\u308b\u72b6\u6cc1\u3067\u306f\u3001\u5408\u5426\u8868\u793a\u3088\u308a\u3001\u5897\u3048\u3066\u3044\u308b\u30ab\u30a6\u30f3\u30bf\u306e\u65b9\u304c\u91cd\u8981\u306b\u306a\u308a\u307e\u3059\u3002<\/p> <hr> <h3>HDD\u3067\u7279\u306b\u91cd\u3044\u6307\u6a19\uff08\u5897\u3048\u65b9\u3092\u898b\u308b\uff09<\/h3> <table style=\"border-collapse:collapse; width:100%;\"> <tr> <th style=\"background-color:#eeeeee; border:1px solid #ccc; padding:6px;\">\u6307\u6a19<\/th> <th style=\"background-color:#eeeeee; border:1px solid #ccc; padding:6px;\">\u610f\u5473\uff08\u8981\u70b9\uff09<\/th> <th style=\"background-color:#eeeeee; border:1px solid #ccc; padding:6px;\">EIO\u5c40\u9762\u3067\u306e\u89e3\u91c8<\/th> <\/tr> <tr> <td style=\"border:1px solid #ccc; padding:6px;\">Reallocated Sector Count<\/td> <td style=\"border:1px solid #ccc; padding:6px;\">\u4e0d\u826f\u30bb\u30af\u30bf\u3092\u4ee3\u66ff\u9818\u57df\u306b\u7f6e\u304d\u63db\u3048\u305f\u5c65\u6b74<\/td> <td style=\"border:1px solid #ccc; padding:6px;\">\u5897\u52a0\u4e2d\u306a\u3089\u5a92\u4f53\u52a3\u5316\u304c\u9032\u884c\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u3044<\/td> <\/tr> <tr> <td style=\"border:1px solid #ccc; padding:6px;\">Current Pending Sector<\/td> <td style=\"border:1px solid #ccc; padding:6px;\">\u8aad\u3081\u306a\u3044\u304c\u78ba\u5b9a\u3067\u304d\u3066\u3044\u306a\u3044\u201c\u4e0d\u5b89\u5b9a\u201d\u9818\u57df<\/td> <td style=\"border:1px solid #ccc; padding:6px;\">\u9000\u907f\u512a\u5148\u3002\u66f8\u304d\u8fbc\u307f\u3067\u60aa\u5316\u30fb\u78ba\u5b9a\u3059\u308b\u3053\u3068\u304c\u3042\u308b<\/td> <\/tr> <tr> <td style=\"border:1px solid #ccc; padding:6px;\">Offline Uncorrectable<\/td> <td style=\"border:1px solid #ccc; padding:6px;\">\u8a02\u6b63\u4e0d\u80fd\u306a\u9818\u57df\u304c\u3042\u308b\u5146\u5019<\/td> <td style=\"border:1px solid #ccc; padding:6px;\">\u91cd\u8981\u30c7\u30fc\u30bf\u304c\u3042\u308b\u306a\u3089\u3001\u539f\u672c\u3067\u306e\u4f5c\u696d\u306f\u614e\u91cd\u306b<\/td> <\/tr> <\/table> <p>\u3053\u3053\u3067\u5927\u4e8b\u306a\u306e\u306f\u201c\u5024\u304c\u975e\u30bc\u30ed\u304b\u201d\u3060\u3051\u3067\u306f\u306a\u304f\u3001<strong>\u5897\u3048\u3066\u3044\u308b\u304b<\/strong>\u3067\u3059\u3002\u77ed\u671f\u9593\u3067\u5897\u52a0\u3057\u3066\u3044\u308b\u306a\u3089\u3001\u72b6\u6cc1\u306f\u9759\u304b\u306b\u60aa\u304f\u306a\u3063\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p> <hr> <h3>SSD\/NVMe\u306e\u6ce8\u610f\u70b9\uff08HDD\u3068\u540c\u3058\u8aad\u307f\u65b9\u3092\u3057\u306a\u3044\uff09<\/h3> <p>SSD\u306f\u3001\u5185\u90e8\u3067\u30a6\u30a7\u30a2\u30ec\u30d9\u30ea\u30f3\u30b0\u3084\u30ea\u30de\u30c3\u30d7\u304c\u884c\u308f\u308c\u3001HDD\u306e\u3088\u3046\u306b\u898b\u3048\u306a\u3044\u5f62\u3067\u52a3\u5316\u304c\u9032\u3080\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002NVMe\u3067\u306f\u6b21\u306e\u3088\u3046\u306a\u9805\u76ee\u304c\u5224\u65ad\u6750\u6599\u306b\u306a\u308a\u307e\u3059\uff08\u8868\u793a\u540d\u306f\u6a5f\u7a2e\u3067\u7570\u306a\u308a\u307e\u3059\uff09\u3002<\/p> <ul> <li>Percentage Used\uff08\u5bff\u547d\u6d88\u8cbb\u7387\uff09<\/li> <li>Available Spare\uff08\u4e88\u5099\u9818\u57df\uff09\u3068\u305d\u306e\u3057\u304d\u3044\u5024<\/li> <li>Media and Data Integrity Errors\uff08\u30e1\u30c7\u30a3\u30a2\/\u6574\u5408\u6027\u30a8\u30e9\u30fc\uff09<\/li> <li>Unsafe Shutdowns\uff08\u4e0d\u610f\u65ad\u306e\u56de\u6570\uff09<\/li> <li>Temperature\uff08\u6e29\u5ea6\uff09<\/li> <\/ul> <p>\u300c\u5bff\u547d\u304c\u307e\u3060\u6b8b\u3063\u3066\u3044\u308b\u306e\u306bEIO\u304c\u51fa\u308b\u300d\u30b1\u30fc\u30b9\u3082\u3042\u308a\u307e\u3059\u3002\u6e29\u5ea6\u3001\u96fb\u6e90\u77ac\u65ad\u3001PCIe\u30ea\u30f3\u30af\u3001\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u3001\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u6319\u52d5\u306a\u3069\u3001\u5bff\u547d\u6307\u6a19\u3068\u306f\u5225\u8ef8\u306e\u554f\u984c\u304c\u8d77\u304d\u308b\u305f\u3081\u3067\u3059\u3002\u3060\u304b\u3089\u3053\u305d\u3001<strong>\u30ab\u30fc\u30cd\u30eb\u30ed\u30b0\u306etimeout\/reset<\/strong>\u3068\u7a81\u304d\u5408\u308f\u305b\u3066\u8aad\u307f\u307e\u3059\u3002<\/p> <hr> <h3>SMART\u53d6\u5f97\u6642\u306e\u5b9f\u52d9\u30dd\u30a4\u30f3\u30c8<\/h3> <ul> <li>\u5bfe\u8c61\u30c7\u30d0\u30a4\u30b9\u3092\u53d6\u308a\u9055\u3048\u306a\u3044\uff08lsblk\u3067MOUNTPOINT\u3068\u5bfe\u5fdc\u3065\u3051\u308b\uff09\u3002<\/li> <li>\u5916\u4ed8\u3051\u30b1\u30fc\u30b9\u3084\u4e00\u90e8RAID\u3067\u306fSMART\u304c\u900f\u904e\u3057\u306a\u3044\u3053\u3068\u304c\u3042\u308b\uff08\u898b\u3048\u306a\u3044\uff1d\u5b89\u5168\u3067\u306f\u306a\u3044\uff09\u3002<\/li> <li>\u6570\u5024\u304c\u300c\u4e00\u898b\u6b63\u5e38\u300d\u3067\u3082\u3001EIO\u304c\u73fe\u5b9f\u306b\u51fa\u3066\u3044\u308b\u306a\u3089\u3001\u75c7\u72b6\u3092\u512a\u5148\u3057\u3066\u5224\u65ad\u3059\u308b\u3002<\/li> <\/ul> <p>SMART\u306f\u300c\u3053\u306e\u5148\u3069\u3046\u52d5\u304f\u304b\u300d\u3092\u4fdd\u8a3c\u3057\u307e\u305b\u3093\u3002\u305f\u3060\u3001EIO\u306e\u5c40\u9762\u3067\u306f\u201c\u7d9a\u3051\u308b\u3079\u304d\u304b\u3001\u9000\u907f\u306b\u5207\u308a\u66ff\u3048\u308b\u3079\u304d\u304b\u201d\u306e\u5224\u65ad\u3092\u52a9\u3051\u307e\u3059\u3002\u7279\u306b\u696d\u52d9\u30c7\u30fc\u30bf\u304c\u7d61\u3080\u5834\u5408\u3001\u4e00\u822c\u8ad6\u3067\u7c98\u308b\u307b\u3069\u640d\u5931\u304c\u81a8\u3089\u307f\u3084\u3059\u3044\u306e\u3067\u3001<strong>\u5c02\u9580\u5bb6\u306b\u72b6\u614b\u3092\u5171\u6709\u3057\u3066\u65b9\u91dd\u3092\u56fa\u3081\u308b<\/strong>\u65b9\u304c\u5408\u7406\u7684\u3067\u3059\u3002<\/p> \r\n\r\n\r\n\r\n<p>\u3000<\/p> <a id=\"sec06\"><\/a> <h2 style=\"font-size:1.2em; font-weight:bold; text-decoration:underline;\">\u7b2c6\u7ae0\uff1a\u7269\u7406\u539f\u56e0\u3092\u6f70\u3059\u2014\u30b1\u30fc\u30d6\u30eb\u30fb\u96fb\u6e90\u30fb\u30dd\u30fc\u30c8\u30fb\u6e29\u5ea6\u30fb\u7b50\u4f53\u306e\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8<\/h2> <p>\u300c\u30c7\u30a3\u30b9\u30af\u304c\u58ca\u308c\u305f\u300d\u3068\u6c7a\u3081\u6253\u3061\u3057\u305f\u304f\u306a\u308b\u4e00\u65b9\u3067\u3001\u73fe\u5834\u306f\u3053\u3046\u3082\u601d\u3044\u307e\u3059\u3002<br>\u300c\u4ea4\u63db\u3067\u76f4\u308b\u306a\u3089\u3044\u3044\u3051\u3069\u3001\u539f\u56e0\u304c\u7d4c\u8def\u3060\u3063\u305f\u3089\u4e8c\u5ea6\u624b\u9593\u3060\u3088\u306a\u2026\u300d<\/p> <p>\u5b9f\u969b\u3001EIO\u306f\u5a92\u4f53\u305d\u306e\u3082\u306e\u3060\u3051\u3067\u306a\u304f\u3001<strong>\u201cI\/O\u304c\u901a\u308b\u9053\u201d<\/strong>\u306e\u3069\u3053\u304b\u304c\u4e0d\u5b89\u5b9a\u3067\u3082\u8d77\u304d\u307e\u3059\u3002\u3057\u304b\u3082\u7d4c\u8def\u8d77\u56e0\u306f\u3001\u8ca0\u8377\u30fb\u6e29\u5ea6\u30fb\u632f\u52d5\u30fb\u63a5\u89e6\u3067\u201c\u305f\u307e\u306b\u201d\u767a\u751f\u3057\u3084\u3059\u304f\u3001\u518d\u73fe\u304c\u96e3\u3057\u3044\u306e\u304c\u5384\u4ecb\u3067\u3059\u3002<\/p> <hr> <h3>\u30c1\u30a7\u30c3\u30af\u306e\u57fa\u672c\u65b9\u91dd\uff08\u3084\u308b\u9806\u756a\u304c\u91cd\u8981\uff09<\/h3> <ul> <li>\u307e\u305a<strong>\u66f8\u304d\u8fbc\u307f\u3092\u6b62\u3081\u305f\u72b6\u614b<\/strong>\u3067\u3001\u89b3\u6e2c\uff08\u30ed\u30b0\u30fbSMART\uff09\u3092\u78ba\u4fdd\u3059\u308b\u3002<\/li> <li>\u6b21\u306b\u3001<strong>\u4f4e\u30ea\u30b9\u30af\u306a\u9805\u76ee\u304b\u3089<\/strong>\u78ba\u8a8d\u3057\u3001\u5909\u66f4\u70b9\u306f\u4e00\u3064\u305a\u3064\u306b\u3059\u308b\u3002<\/li> <li>\u30c7\u30fc\u30bf\u304c\u91cd\u8981\u306a\u3089\u3001\u539f\u56e0\u7a76\u660e\u3088\u308a\u5148\u306b<strong>\u9000\u907f\u8a08\u753b<\/strong>\u3092\u7acb\u3066\u308b\uff08\u7a76\u660e\u4e2d\u306b\u60aa\u5316\u3059\u308b\u305f\u3081\uff09\u3002<\/li> <\/ul> <hr> <h3>\u7d4c\u8def\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8\uff08\u5178\u578b\u306e\u843d\u3068\u3057\u7a74\uff09<\/h3> <table style=\"border-collapse:collapse; width:100%;\"> <tr> <th style=\"background-color:#eeeeee; border:1px solid #ccc; padding:6px;\">\u89b3\u70b9<\/th> <th style=\"background-color:#eeeeee; border:1px solid #ccc; padding:6px;\">\u78ba\u8a8d\u30dd\u30a4\u30f3\u30c8<\/th> <th style=\"background-color:#eeeeee; border:1px solid #ccc; padding:6px;\">\u3088\u304f\u3042\u308b\u75c7\u72b6<\/th> <\/tr> <tr> <td style=\"border:1px solid #ccc; padding:6px;\">\u30b1\u30fc\u30d6\u30eb\/\u30b3\u30cd\u30af\u30bf<\/td> <td style=\"border:1px solid #ccc; padding:6px;\">SATA\/SAS\u306e\u5dee\u3057\u8fbc\u307f\u3001\u6298\u308c\u30fb\u66f2\u3052\u3001\u63a5\u70b9\u6c5a\u308c\u3001\u30d0\u30c3\u30af\u30d7\u30ec\u30fc\u30f3\u63a5\u89e6<\/td> <td style=\"border:1px solid #ccc; padding:6px;\">link reset\u3001I\/O timeout\u3001\u8ca0\u8377\u6642\u3060\u3051EIO<\/td> <\/tr> <tr> <td style=\"border:1px solid #ccc; padding:6px;\">\u96fb\u6e90<\/td> <td style=\"border:1px solid #ccc; padding:6px;\">PSU\u52a3\u5316\u3001\u5206\u5c90\u30b1\u30fc\u30d6\u30eb\u3001\u96fb\u6e90\u5bb9\u91cf\u3001\u77ac\u65ad\u3001UPS\u72b6\u614b<\/td> <td style=\"border:1px solid #ccc; padding:6px;\">\u4e0d\u610f\u65ad\u306e\u5897\u52a0\u3001\u7a81\u7136\u306e\u30c7\u30d0\u30a4\u30b9\u6d88\u5931<\/td> <\/tr> <tr> <td style=\"border:1px solid #ccc; padding:6px;\">\u30dd\u30fc\u30c8\/\u30b9\u30ed\u30c3\u30c8<\/td> <td style=\"border:1px solid #ccc; padding:6px;\">\u5225\u30dd\u30fc\u30c8\u3067\u306e\u518d\u73fe\u6027\u3001HBA\/RAID\u30ab\u30fc\u30c9\u3001PCIe\u63a5\u89e6<\/td> <td style=\"border:1px solid #ccc; padding:6px;\">\u7279\u5b9a\u30dd\u30fc\u30c8\u3060\u3051\u4e0d\u5b89\u5b9a\u3001\u518d\u8d77\u52d5\u3067\u4e00\u6642\u5fa9\u5e30<\/td> <\/tr> <tr> <td style=\"border:1px solid #ccc; padding:6px;\">\u6e29\u5ea6\/\u51b7\u5374<\/td> <td style=\"border:1px solid #ccc; padding:6px;\">SSD\/NVMe\u6e29\u5ea6\u3001\u30d5\u30a1\u30f3\u505c\u6b62\u3001\u5438\u6392\u6c17\u3001\u7b50\u4f53\u5185\u30db\u30b3\u30ea<\/td> <td style=\"border:1px solid #ccc; padding:6px;\">\u9ad8\u8ca0\u8377\u6642\u3060\u3051timeout\u3001\u6e29\u5ea6\u4e0a\u6607\u3067\u983b\u767a<\/td> <\/tr> <\/table> <hr> <h3>\u201c\u52d5\u3044\u305f\u304b\u3089OK\u201d\u306b\u3057\u306a\u3044\uff08\u518d\u767a\u306e\u82bd\u3092\u6458\u3080\uff09<\/h3> <p>\u30b1\u30fc\u30d6\u30eb\u3092\u5dee\u3057\u76f4\u3057\u3066\u4e00\u6642\u7684\u306b\u53ce\u675f\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u305f\u3060\u3001\u53ce\u675f\u3057\u305f\u3053\u3068\u81ea\u4f53\u304c\u300c\u63a5\u89e6\u3084\u7d4c\u8def\u306e\u63fa\u308c\u300d\u3092\u793a\u5506\u3059\u308b\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u3002\u30ed\u30b0\u306breset\/timeout\u304c\u6b8b\u3063\u3066\u3044\u308b\u306a\u3089\u3001\u6839\u672c\u539f\u56e0\u304c\u6b8b\u3063\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u3053\u3067\u300c\u76f4\u3063\u305f\u3063\u307d\u3044\u300d\u3067\u7d42\u3048\u308b\u3068\u3001\u6b21\u306f\u3088\u308a\u60aa\u3044\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u518d\u767a\u3057\u304c\u3061\u3067\u3059\u3002<\/p> <hr> <h3>\u696d\u52d9\u30b7\u30b9\u30c6\u30e0\u306e\u73fe\u5b9f\uff1a\u539f\u56e0\u7a76\u660e\u3068\u7d99\u7d9a\u904b\u7528\u306e\u677f\u631f\u307f<\/h3> <p>\u6b62\u3081\u3089\u308c\u306a\u3044\u4e8b\u60c5\u304c\u3042\u308b\u306e\u306f\u5f53\u7136\u3067\u3059\u3002\u305d\u306e\u5834\u5408\u3067\u3082\u3001\u3067\u304d\u308b\u7bc4\u56f2\u3067\u201c\u88ab\u5bb3\u6700\u5c0f\u5316\u201d\u3078\u5bc4\u305b\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u30ed\u30b0\u306e\u51fa\u529b\u5148\u3092\u5225\u30c7\u30a3\u30b9\u30af\u3078\u9003\u304c\u3059\u3001\u91cd\u8981\u30c7\u30fc\u30bf\u306e\u66f8\u304d\u8fbc\u307f\u3092\u6291\u3048\u308b\u3001\u591c\u9593\u306e\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3084\u540c\u671f\u306e\u30bf\u30a4\u30df\u30f3\u30b0\u3092\u907f\u3051\u308b\u3001\u306a\u3069\u3067\u3059\u3002\u3053\u3053\u306f\u500b\u5225\u4e8b\u60c5\u3067\u6700\u9069\u5316\u304c\u5fc5\u8981\u306b\u306a\u308a\u3084\u3059\u3044\u306e\u3067\u3001\u69cb\u6210\u3068\u30ed\u30b0\u3092\u6750\u6599\u306b\u3001<strong>\u682a\u5f0f\u4f1a\u793e\u60c5\u5831\u5de5\u5b66\u7814\u7a76\u6240\u306e\u3088\u3046\u306a\u5c02\u9580\u5bb6\u3068\u65b9\u91dd\u3092\u56fa\u3081\u308b<\/strong>\u306e\u304c\u5b89\u5168\u3067\u3059\u3002<\/p> \r\n\r\n\r\n\r\n<p>\u3000<\/p> <a id=\"sec07\"><\/a> <h2 style=\"font-size:1.2em; font-weight:bold; text-decoration:underline;\">\u7b2c7\u7ae0\uff1a\u8aad\u307f\u53d6\u308a\u512a\u5148\u306e\u9000\u907f\u6226\u7565\u2014ddrescue\u30a4\u30e1\u30fc\u30b8\u5316\u3068\u300c\u3084\u3063\u3066\u306f\u3044\u3051\u306a\u3044\u66f8\u304d\u8fbc\u307f\u300d<\/h2> <p>\u73fe\u5834\u306e\u672c\u97f3\u306f\u3053\u3046\u3067\u3059\u3002<br>\u300c\u539f\u56e0\u306f\u3042\u3068\u3067\u3044\u3044\u304b\u3089\u3001\u3068\u306b\u304b\u304f\u30c7\u30fc\u30bf\u3060\u3051\u52a9\u3051\u305f\u3044\u300d<\/p> <p>EIO(5)\u306e\u5c40\u9762\u3067\u201c\u52a9\u304b\u308b\u78ba\u7387\u201d\u3092\u4e0a\u3052\u308b\u57fa\u672c\u306f\u3001\u539f\u672c\u306b\u5bfe\u3059\u308b\u64cd\u4f5c\u3092\u6e1b\u3089\u3057\u3001<strong>\u8aad\u307f\u53d6\u308a\u4e2d\u5fc3\u3067\u300c\u8907\u88fd\uff08\u30a4\u30e1\u30fc\u30b8\uff09\u300d\u3092\u5148\u306b\u4f5c\u308b<\/strong>\u3053\u3068\u3067\u3059\u3002\u5fa9\u65e7\u3084\u691c\u8a3c\u306f\u3001\u3067\u304d\u308b\u3060\u3051\u30a4\u30e1\u30fc\u30b8\u5074\u3067\u884c\u3046\u3002\u3053\u308c\u304c\u201c\u88ab\u5bb3\u6700\u5c0f\u5316\u201d\u306e\u738b\u9053\u3067\u3059\u3002<\/p> <hr> <h3>\u3084\u3063\u3066\u306f\u3044\u3051\u306a\u3044\u66f8\u304d\u8fbc\u307f\uff08\u60aa\u5316\u3057\u3084\u3059\u3044\u5178\u578b\uff09<\/h3> <ul> <li>\u539f\u672c\u30dc\u30ea\u30e5\u30fc\u30e0\u3078\u306e\u5927\u5bb9\u91cf\u30b3\u30d4\u30fc\uff08\u540c\u4e00\u30c7\u30a3\u30b9\u30af\u5185\u306e\u5225\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3078\u306e\u9000\u907f\u3082\u542b\u3080\uff09<\/li> <li>\u539f\u672c\u306b\u5bfe\u3059\u308b\u5f37\u5236fsck\u3084\u4fee\u5fa9\u30c4\u30fc\u30eb\u306e\u5b9f\u884c\uff08\u9000\u907f\u524d\u306b\u8d70\u3089\u305b\u308b\uff09<\/li> <li>\u30b9\u30ef\u30c3\u30d7\u3084\u30ed\u30b0\u306e\u80a5\u5927\u5316\u3092\u653e\u7f6e\u3057\u305f\u307e\u307e\u904b\u7528\u7d99\u7d9a<\/li> <li>\u30d9\u30f3\u30c1\u30de\u30fc\u30af\u3084\u5168\u9762\u30b9\u30ad\u30e3\u30f3\u3067\u201c\u69d8\u5b50\u898b\u201d\u3059\u308b<\/li> <\/ul> <p>\u7406\u7531\u306f\u5358\u7d14\u3067\u3001EIO\u304c\u51fa\u308b\u5a92\u4f53\u306f\u300c\u8aad\u3080\u3060\u3051\u3067\u3082\u5931\u6557\u3059\u308b\u300d\u3053\u3068\u304c\u3042\u308b\u305f\u3081\u3001\u66f8\u304d\u8fbc\u307f\u3084\u5e83\u7bc4\u56f2\u30a2\u30af\u30bb\u30b9\u304c\u5897\u3048\u308b\u307b\u3069\u3001\u5931\u6557\u306e\u7dcf\u6570\u3068\u5f71\u97ff\u7bc4\u56f2\u304c\u5897\u3048\u307e\u3059\u3002\u3053\u3053\u3067\u72d9\u3046\u306e\u306f\u4fee\u7406\u3067\u306f\u306a\u304f\u3001\u307e\u305a<strong>\u72b6\u6cc1\u306e\u53ce\u675f<\/strong>\u3067\u3059\u3002<\/p> <hr> <h3>\u9000\u907f\u306e\u57fa\u672c\u65b9\u91dd\uff1a\u30d5\u30a1\u30a4\u30eb\u30b3\u30d4\u30fc\u3088\u308a\u300c\u30d6\u30ed\u30c3\u30af\u5358\u4f4d\u306e\u30a4\u30e1\u30fc\u30b8\u300d<\/h3> <p>\u30d5\u30a1\u30a4\u30eb\u5358\u4f4d\u306e\u30b3\u30d4\u30fc\u306f\u3001\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u8d70\u67fb\u3084\u30e1\u30bf\u30c7\u30fc\u30bf\u30a2\u30af\u30bb\u30b9\u304c\u5897\u3048\u3001\u9014\u4e2d\u3067\u6b62\u307e\u308a\u3084\u3059\u3044\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u4e00\u65b9\u3001\u30d6\u30ed\u30c3\u30af\u5358\u4f4d\u306e\u30a4\u30e1\u30fc\u30b8\u5316\u306f\u3001\u8aad\u3081\u308b\u7bc4\u56f2\u3092\u3067\u304d\u308b\u3060\u3051\u62fe\u3044\u3001\u8aad\u3081\u306a\u3044\u7b87\u6240\u3092\u8a18\u9332\u3057\u306a\u304c\u3089\u524d\u306b\u9032\u3081\u3089\u308c\u307e\u3059\u3002\u5f8c\u304b\u3089\u300c\u8aad\u3081\u306a\u304b\u3063\u305f\u5834\u6240\u3060\u3051\u518d\u6311\u6226\u300d\u3057\u3084\u3059\u3044\u306e\u304c\u5229\u70b9\u3067\u3059\u3002<\/p> <hr> <h3>ddrescue\u306e\u5b9f\u52d9\uff08\u8aad\u307f\u53d6\u308a\u512a\u5148\u3067\u6bb5\u968e\u7684\u306b\uff09<\/h3> <p>GNU ddrescue\u306f\u3001\u8aad\u307f\u53d6\u308a\u30a8\u30e9\u30fc\u304c\u3042\u308b\u5a92\u4f53\u304b\u3089\u306e\u30a4\u30e1\u30fc\u30b8\u5316\u3067\u3088\u304f\u4f7f\u308f\u308c\u307e\u3059\u3002\u91cd\u8981\u306a\u306e\u306f\u3001<strong>\u51fa\u529b\u5148\u304c\u5225\u30c7\u30a3\u30b9\u30af<\/strong>\u3067\u3042\u308b\u3053\u3068\u3068\u3001<strong>mapfile\uff08\u9032\u6357\u30ed\u30b0\uff09<\/strong>\u3092\u6b8b\u3057\u3066\u518d\u958b\u53ef\u80fd\u306b\u3059\u308b\u3053\u3068\u3067\u3059\u3002<\/p> <pre><code># \u4f8b\uff1a\/dev\/sdX\uff08\u539f\u672c\uff09\u2192 \/mnt\/recovery\/disk.img\uff08\u5225\u30c7\u30a3\u30b9\u30af\uff09\u3078 # mapfile\u306f\u540c\u3058\u304f\u5225\u30c7\u30a3\u30b9\u30af\u5074\u306b\u7f6e\u304f sudo ddrescue -f -n \/dev\/sdX \/mnt\/recovery\/disk.img \/mnt\/recovery\/disk.map # 1\u56de\u76ee\u3067\u62fe\u3044\u5207\u308c\u306a\u304b\u3063\u305f\u7b87\u6240\u3092\u3001\u56de\u6570\u3092\u6c7a\u3081\u3066\u518d\u8a66\u884c\uff08\u4f8b\uff1a3\u56de\uff09 sudo ddrescue -f -r3 \/dev\/sdX \/mnt\/recovery\/disk.img \/mnt\/recovery\/disk.map<\/code><\/pre> <p>\u300c-n\u300d\u3067\u307e\u305a\u201c\u8aad\u3081\u308b\u3068\u3053\u308d\u3092\u7d20\u65e9\u304f\u78ba\u4fdd\u201d\u3057\u3001\u6b21\u306b\u300c-r\u300d\u3067\u201c\u8aad\u3081\u306a\u304b\u3063\u305f\u3068\u3053\u308d\u3060\u3051\u518d\u6311\u6226\u201d\u3068\u3044\u3046\u9806\u756a\u306b\u3059\u308b\u3068\u3001\u6700\u521d\u306e\u6bb5\u968e\u3067\u56de\u53ce\u91cf\u3092\u7a3c\u304e\u3084\u3059\u3044\u50be\u5411\u304c\u3042\u308a\u307e\u3059\u3002\u969c\u5bb3\u5a92\u4f53\u306b\u9577\u6642\u9593\u5f35\u308a\u4ed8\u304f\u307b\u3069\u72b6\u614b\u304c\u60aa\u5316\u3059\u308b\u30b1\u30fc\u30b9\u3082\u3042\u308b\u305f\u3081\u3001<strong>\u4e00\u767a\u76ee\u306e\u56de\u53ce\u3092\u512a\u5148<\/strong>\u3059\u308b\u8003\u3048\u65b9\u3067\u3059\u3002<\/p> <hr> <h3>\u9000\u907f\u5f8c\u306e\u78ba\u8a8d\uff08\u539f\u672c\u3067\u306f\u306a\u304f\u30a4\u30e1\u30fc\u30b8\u5074\u3067\uff09<\/h3> <p>\u30a4\u30e1\u30fc\u30b8\u304c\u53d6\u308c\u305f\u3089\u3001\u4ee5\u964d\u306e\u78ba\u8a8d\u3084\u4fee\u5fa9\u306f\u3067\u304d\u308b\u9650\u308a\u30a4\u30e1\u30fc\u30b8\u306b\u5bfe\u3057\u3066\u884c\u3044\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u8a8d\u8b58\u3084\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u6574\u5408\u6027\u306e\u30c1\u30a7\u30c3\u30af\u3001\u30de\u30a6\u30f3\u30c8\u3057\u3066\u306e\u8aad\u307f\u51fa\u3057\u691c\u8a0e\u306a\u3069\u3067\u3059\u3002\u539f\u672c\u306f\u201c\u6700\u5f8c\u306e\u624b\u6bb5\u201d\u3068\u3057\u3066\u6e29\u5b58\u3059\u308b\u65b9\u304c\u4e8b\u6545\u304c\u6e1b\u308a\u307e\u3059\u3002<\/p> <hr> <h3>\u300c\u5c11\u3057\u3060\u3051\u76f4\u3057\u3066\u304b\u3089\u9000\u907f\u3057\u305f\u3044\u300d\u8a98\u60d1\u3078\u306e\u7b54\u3048<\/h3> <p>\u300cfsck\u3092\u4e00\u56de\u5f53\u3066\u308c\u3070\u30de\u30a6\u30f3\u30c8\u3067\u304d\u3066\u30b3\u30d4\u30fc\u3067\u304d\u308b\u304b\u3082\u300d\u3068\u3044\u3046\u767a\u60f3\u306f\u7406\u89e3\u3067\u304d\u307e\u3059\u3002\u305f\u3060\u3001fsck\u306f\u30e1\u30bf\u30c7\u30fc\u30bf\u3092\u66f8\u304d\u63db\u3048\u308b\u305f\u3081\u3001\u72b6\u6cc1\u306b\u3088\u3063\u3066\u306f\u201c\u56de\u53ce\u3067\u304d\u305f\u306f\u305a\u306e\u65ad\u7247\u201d\u3092\u5931\u3046\u65b9\u5411\u306b\u50cd\u304f\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u9000\u907f\u524d\u306efsck\u306f\u3001\u4e00\u822c\u8ad6\u3067\u306f\u8a9e\u308c\u306a\u3044\u5224\u65ad\u306b\u306a\u308a\u3084\u3059\u3044\u9818\u57df\u3067\u3059\u3002<\/p> <p>\u696d\u52d9\u30c7\u30fc\u30bf\u3084\u9867\u5ba2\u30c7\u30fc\u30bf\u304c\u7d61\u3080\u306a\u3089\u3001\u3053\u3053\u306f\u201c\u81ea\u529b\u3067\u306e\u62bc\u3057\u5207\u308a\u201d\u3088\u308a\u3001\u69cb\u6210\u3068\u30ed\u30b0\u3092\u6750\u6599\u306b<strong>\u682a\u5f0f\u4f1a\u793e\u60c5\u5831\u5de5\u5b66\u7814\u7a76\u6240\u3078\u306e\u76f8\u8ac7<\/strong>\u3092\u631f\u3080\u65b9\u304c\u3001\u7d50\u679c\u3068\u3057\u3066\u5b89\u5168\u3067\u65e9\u3044\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002<\/p> <ul> <li>\u554f\u3044\u5408\u308f\u305b\u30d5\u30a9\u30fc\u30e0\uff1a<a href=\"https:\/\/jouhou.main.jp\/?page_id=26983\">https:\/\/jouhou.main.jp\/?page_id=26983<\/a><\/li> <li>\u96fb\u8a71\uff1a0120-838-831<\/li> <\/ul> \r\n\r\n\r\n\r\n<p>\u3000<\/p> <a id=\"sec08\"><\/a> <h2 style=\"font-size:1.2em; font-weight:bold; text-decoration:underline;\">\u7b2c8\u7ae0\uff1a\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u5fa9\u65e7\u306e\u9806\u756a\u2014ro\u30de\u30a6\u30f3\u30c8\u3001fsck\u524d\u306e\u5224\u65ad\u3001superblock\u6551\u6e08<\/h2> <p>\u300c\u30de\u30a6\u30f3\u30c8\u3067\u304d\u306a\u3044\u3002\u3058\u3083\u3042fsck\u3060\u300d\u306b\u306a\u308a\u304c\u3061\u3067\u3059\u304c\u3001EIO\u304c\u7d61\u3080\u3068\u304d\u306f\u9806\u756a\u304c\u91cd\u8981\u3067\u3059\u3002\u3053\u3053\u3067\u306e\u76ee\u6a19\u306f\u3001\u898b\u305f\u76ee\u306e\u201c\u6b63\u5e38\u5316\u201d\u3067\u306f\u306a\u304f\u3001<strong>\u5fc5\u8981\u306a\u30c7\u30fc\u30bf\u3092\u53d6\u308a\u5207\u308b\u3053\u3068<\/strong>\u3067\u3059\u3002\u6574\u5408\u6027\u3092\u76f4\u3059\u884c\u70ba\u304c\u3001\u30c7\u30fc\u30bf\u56de\u53ce\u3068\u9006\u65b9\u5411\u306b\u306a\u308b\u3053\u3068\u304c\u3042\u308b\u304b\u3089\u3067\u3059\u3002<\/p> <hr> <h3>\u307e\u305a\u306f\u8aad\u307f\u53d6\u308a\u5c02\u7528\u3067\u72b6\u6cc1\u3092\u56fa\u5b9a\u3059\u308b<\/h3> <p>\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u304c\u8aad\u307f\u53d6\u308a\u5c02\u7528\u306b\u5207\u308a\u66ff\u308f\u3063\u3066\u3044\u308b\uff08\u307e\u305f\u306f\u5207\u308a\u66ff\u3048\u305f\u3044\uff09\u5834\u5408\u3001\u307e\u305a\u306fro\u3067\u30de\u30a6\u30f3\u30c8\u3057\u3066\u3001\u8aad\u3081\u308b\u7bc4\u56f2\u306e\u30c7\u30fc\u30bf\u3092\u9000\u907f\u3059\u308b\u3053\u3068\u3092\u512a\u5148\u3057\u307e\u3059\u3002\u66f8\u304d\u8fbc\u307f\u304c\u6b62\u307e\u308b\u3060\u3051\u3067\u3001\u75c7\u72b6\u304c\u201c\u843d\u3061\u7740\u304f\u201d\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p> <pre><code># \u4f8b\uff1aext4\u306e\u5834\u5408\uff08\u30c7\u30d0\u30a4\u30b9\u3084\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u306f\u74b0\u5883\u306b\u5408\u308f\u305b\u308b\uff09 sudo mount -o ro \/dev\/sdX1 \/mnt\/target_ro<\/code><\/pre> <p>ro\u3067\u8aad\u3081\u308b\u306a\u3089\u3001\u5fc5\u8981\u306a\u30c7\u30fc\u30bf\u3092\u5225\u30c7\u30a3\u30b9\u30af\u3078\u30b3\u30d4\u30fc\u3057\u307e\u3059\u3002\u8aad\u3081\u306a\u3044\u30d5\u30a1\u30a4\u30eb\u304c\u6df7\u3056\u308b\u5834\u5408\u306f\u3001\u5168\u4f53\u30b3\u30d4\u30fc\u3088\u308a\u3082\u201c\u512a\u5148\u9806\u4f4d\u3092\u3064\u3051\u305f\u56de\u53ce\u201d\u306b\u5bc4\u305b\u305f\u65b9\u304c\u6210\u529f\u7387\u304c\u4e0a\u304c\u308a\u307e\u3059\u3002<\/p> <hr> <h3>\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u5225\uff1a\u4fee\u5fa9\u30c4\u30fc\u30eb\u306e\u6027\u683c\u3092\u62bc\u3055\u3048\u308b<\/h3> <table style=\"border-collapse:collapse; width:100%;\"> <tr> <th style=\"background-color:#eeeeee; border:1px solid #ccc; padding:6px;\">FS<\/th> <th style=\"background-color:#eeeeee; border:1px solid #ccc; padding:6px;\">\u4ee3\u8868\u30c4\u30fc\u30eb<\/th> <th style=\"background-color:#eeeeee; border:1px solid #ccc; padding:6px;\">\u30dd\u30a4\u30f3\u30c8<\/th> <\/tr> <tr> <td style=\"border:1px solid #ccc; padding:6px;\">ext4<\/td> <td style=\"border:1px solid #ccc; padding:6px;\">e2fsck<\/td> <td style=\"border:1px solid #ccc; padding:6px;\">\u4fee\u5fa9\u306f\u66f8\u304d\u63db\u3048\u3092\u4f34\u3046\u3002\u9000\u907f\u524d\u306e\u5b9f\u884c\u306f\u614e\u91cd\u306b\u3002\u4ee3\u66ffsuperblock\u306e\u691c\u8a0e\u304c\u6709\u52b9\u306a\u5834\u5408\u304c\u3042\u308b\u3002<\/td> <\/tr> <tr> <td style=\"border:1px solid #ccc; padding:6px;\">XFS<\/td> <td style=\"border:1px solid #ccc; padding:6px;\">xfs_repair<\/td> <td style=\"border:1px solid #ccc; padding:6px;\">\u8a2d\u8a08\u601d\u60f3\u304cext\u7cfb\u3068\u7570\u306a\u308b\u3002\u72b6\u6cc1\u306b\u3088\u3063\u3066\u306f\u5c02\u9580\u77e5\u8b58\u304c\u5fc5\u8981\u306b\u306a\u308a\u3084\u3059\u3044\u3002<\/td> <\/tr> <tr> <td style=\"border:1px solid #ccc; padding:6px;\">Btrfs<\/td> <td style=\"border:1px solid #ccc; padding:6px;\">btrfs check<\/td> <td style=\"border:1px solid #ccc; padding:6px;\">\u8aad\u307f\u53d6\u308a\u512a\u5148\u306e\u624b\u6bb5\u304b\u3089\u691c\u8a0e\u3002\u5f37\u3044\u4fee\u5fa9\u306f\u30ea\u30b9\u30af\u304c\u4e0a\u304c\u308b\u3053\u3068\u304c\u3042\u308b\u3002<\/td> <\/tr> <\/table> <hr> <h3>ext4\u306esuperblock\u6551\u6e08\uff08\u4ee3\u8868\u7684\u306a\u624b\u9806\u306e\u8003\u3048\u65b9\uff09<\/h3> <p>ext4\u3067\u306f\u3001\u30e1\u30a4\u30f3superblock\u304c\u58ca\u308c\u3066\u3082\u30d0\u30c3\u30af\u30a2\u30c3\u30d7superblock\u304c\u6b8b\u3063\u3066\u3044\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u4f4d\u7f6e\u3092\u78ba\u8a8d\u3057\u3001\u9069\u5207\u306a\u3082\u306e\u3092\u6307\u5b9a\u3057\u3066\u30c1\u30a7\u30c3\u30af\u3059\u308b\u8003\u3048\u65b9\u3067\u3059\u3002\u3053\u3053\u306f\u74b0\u5883\u30fb\u969c\u5bb3\u72b6\u6cc1\u3067\u5909\u308f\u308b\u305f\u3081\u3001\u624b\u9806\u306f\u4e00\u5f8b\u306b\u306f\u3067\u304d\u307e\u305b\u3093\u304c\u3001\u5c11\u306a\u304f\u3068\u3082\u300c\u3069\u3053\u306b\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u304c\u3042\u308b\u304b\u300d\u3092\u628a\u63e1\u3059\u308b\u306e\u306f\u6709\u76ca\u3067\u3059\u3002<\/p> <pre><code># \u4f8b\uff1a\u30d0\u30c3\u30af\u30a2\u30c3\u30d7superblock\u306e\u5019\u88dc\u3092\u78ba\u8a8d\u3059\u308b\uff08\u5b9f\u969b\u306e\u30c7\u30d0\u30a4\u30b9\u306b\u5408\u308f\u305b\u308b\uff09 sudo mke2fs -n \/dev\/sdX1<\/code><\/pre> <p>\u201c\u5019\u88dc\u304c\u51fa\u305f\u201d\u3053\u3068\u81ea\u4f53\u304c\u3001\u6b21\u306e\u5224\u65ad\u6750\u6599\u306b\u306a\u308a\u307e\u3059\u3002\u539f\u672c\u3067\u306e\u4fee\u5fa9\u306b\u8e0f\u307f\u8fbc\u3080\u524d\u306b\u3001<strong>\u30a4\u30e1\u30fc\u30b8\u4e0a\u3067\u8a66\u884c\u3067\u304d\u308b\u304b<\/strong>\u3001<strong>\u9000\u907f\u306f\u5341\u5206\u304b<\/strong>\u3092\u78ba\u8a8d\u3059\u308b\u306e\u304c\u5b89\u5168\u3067\u3059\u3002<\/p> <hr> <h3>fsck\u306e\u524d\u306b\u62bc\u3055\u3048\u308b\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8<\/h3> <ul> <li>\u5bfe\u8c61\u306f\u6b63\u3057\u3044\u304b\uff08\u5225\u30c7\u30a3\u30b9\u30af\u3084\u5225\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u3092\u8aa4\u3063\u3066\u3044\u306a\u3044\u304b\uff09<\/li> <li>\u30de\u30a6\u30f3\u30c8\u3055\u308c\u3066\u3044\u306a\u3044\u304b\uff08\u4fee\u5fa9\u7cfb\u30c4\u30fc\u30eb\u306f\u30a2\u30f3\u30de\u30a6\u30f3\u30c8\u304c\u539f\u5247\uff09<\/li> <li>\u9000\u907f\u306f\u5341\u5206\u304b\uff08\u5c11\u306a\u304f\u3068\u3082\u91cd\u8981\u30c7\u30fc\u30bf\u306f\u5225\u5a92\u4f53\u3078\uff09<\/li> <li>\u4e0b\u5c64\u306eEIO\u304c\u7d9a\u3044\u3066\u3044\u306a\u3044\u304b\uff08\u7d9a\u3044\u3066\u3044\u308b\u306a\u3089\u4fee\u5fa9\u306e\u6210\u529f\u7387\u304c\u4e0b\u304c\u308b\uff09<\/li> <\/ul> <hr> <h3>\u300c\u76f4\u3059\u300d\u3088\u308a\u300c\u53d6\u308a\u5207\u308b\u300d\u2014\u5224\u65ad\u304c\u5fc5\u8981\u306a\u5c40\u9762<\/h3> <p>\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u4fee\u5fa9\u306f\u3001\u898b\u305f\u76ee\u306e\u5fa9\u5e30\u306b\u306f\u52b9\u304f\u4e00\u65b9\u3001\u30c7\u30fc\u30bf\u56de\u53ce\u306e\u89b3\u70b9\u3067\u306f\u30ea\u30b9\u30af\u3092\u4f34\u3046\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u696d\u52d9\u4e0a\u306e\u91cd\u8981\u5ea6\u304c\u9ad8\u3044\u307b\u3069\u3001\u4e00\u822c\u8ad6\u3067\u62bc\u3057\u5207\u308b\u3088\u308a\u3001\u69cb\u6210\u30fb\u30ed\u30b0\u30fb\u56de\u53ce\u76ee\u6a19\u3092\u6574\u7406\u3057\u3066\u3001<strong>\u682a\u5f0f\u4f1a\u793e\u60c5\u5831\u5de5\u5b66\u7814\u7a76\u6240\u306e\u3088\u3046\u306a\u5c02\u9580\u5bb6\u3068\u65b9\u91dd\u3092\u6c7a\u3081\u308b<\/strong>\u65b9\u304c\u5408\u7406\u7684\u3067\u3059\u3002<\/p> \r\n\r\n\r\n\r\n<p>\u3000<\/p> <a id=\"sec09\"><\/a> <h2 style=\"font-size:1.2em; font-weight:bold; text-decoration:underline;\">\u7b2c9\u7ae0\uff1aRAID\/LVM\/\u6697\u53f7\u5316\/\u4eee\u60f3\u5316\u306e\u843d\u3068\u3057\u7a74\u2014\u4e0b\u5c64EIO\u3092\u898b\u9003\u3055\u306a\u3044\u89b3\u6e2c\u70b9<\/h2> <p>\u3053\u3053\u306f\u73fe\u5834\u306e\u201c\u5fc3\u306e\u4f1a\u8a71\u201d\u304c\u4e00\u756a\u6fc0\u3057\u304f\u306a\u308b\u3068\u3053\u308d\u3067\u3059\u3002<br>\u300c\u5358\u4f53\u30c7\u30a3\u30b9\u30af\u306a\u3089\u307e\u3060\u3057\u3082\u3001RAID\u3084LVM\u304c\u7d61\u3080\u3068\u3001\u4f55\u3092\u89e6\u3063\u3066\u3044\u3044\u304b\u5206\u304b\u3089\u306a\u3044\u300d<\/p> <p>\u305d\u306e\u611f\u899a\u306f\u6b63\u3057\u3044\u3067\u3059\u3002\u8907\u6570\u5c64\u304c\u91cd\u306a\u308b\u3068\u3001EIO\u306e\u201c\u51fa\u3069\u3053\u308d\u201d\u304c\u898b\u3048\u3065\u3089\u304f\u306a\u308a\u307e\u3059\u3002\u3057\u304b\u3082\u3001\u64cd\u4f5c\u30df\u30b9\u306e\u30b3\u30b9\u30c8\u304c\u8df3\u306d\u4e0a\u304c\u308a\u307e\u3059\u3002\u3060\u304b\u3089\u3053\u305d\u3001\u307e\u305a\u306f<strong>\u69cb\u6210\u60c5\u5831\u3092\u63a1\u53d6\u3057\u3066\u56fa\u5b9a<\/strong>\u3057\u3001\u6b21\u306b\u201c\u3069\u306e\u5c64\u304c\u58ca\u308c\u3066\u3044\u308b\u304b\u201d\u3092\u6bb5\u968e\u7684\u306b\u898b\u307e\u3059\u3002<\/p> <hr> <h3>\u307e\u305a\u53d6\u308b\u3079\u304d\u884c\u52d5\uff1a\u69cb\u6210\u306e\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8\u3092\u53d6\u308b<\/h3> <p>\u4f5c\u696d\u524d\u306b\u3001\u73fe\u72b6\u306e\u69cb\u6210\u60c5\u5831\u3092\u63a1\u53d6\u3057\u3066\u5225\u5834\u6240\u3078\u4fdd\u5b58\u3057\u307e\u3059\u3002\u5fa9\u65e7\u306e\u9014\u4e2d\u3067\u300c\u5143\u306e\u72b6\u614b\u304c\u5206\u304b\u3089\u306a\u3044\u300d\u306b\u306a\u308b\u3068\u3001\u8aa4\u64cd\u4f5c\u306e\u30ea\u30b9\u30af\u304c\u4e0a\u304c\u308a\u307e\u3059\u3002<\/p> <pre><code># \u30d6\u30ed\u30c3\u30af\u3068\u30de\u30c3\u30d4\u30f3\u30b0 lsblk -o NAME,SIZE,FSTYPE,TYPE,MOUNTPOINT,UUID blkid findmnt # mdadm\uff08\u30bd\u30d5\u30c8RAID\uff09\u3092\u4f7f\u3063\u3066\u3044\u308b\u5834\u5408 cat \/proc\/mdstat sudo mdadm --detail --scan sudo mdadm --examine \/dev\/sdX \/dev\/sdY 2>\/dev\/null | head -n 200<\/code><\/pre> <hr> <h3>RAID\u306e\u843d\u3068\u3057\u7a74\uff1a\u5fa9\u65e7\u3088\u308a\u5148\u306brebuild\u3092\u8d70\u3089\u305b\u306a\u3044<\/h3> <p>degraded\u3060\u304b\u3089\u3068\u3044\u3063\u3066\u3001\u3059\u3050\u306brebuild\u3084\u30c7\u30a3\u30b9\u30af\u4ea4\u63db\u30fb\u518d\u540c\u671f\u306b\u8e0f\u307f\u8fbc\u3080\u306e\u306f\u5371\u967a\u306a\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u7279\u306b\u3001EIO\u304c\u51fa\u3066\u3044\u308b\u30c7\u30a3\u30b9\u30af\u3092\u542b\u3093\u3060\u307e\u307e\u518d\u540c\u671f\u3092\u59cb\u3081\u308b\u3068\u3001\u8aad\u307f\u53d6\u308a\u4e0d\u80fd\u90e8\u5206\u304c\u5e83\u304c\u308a\u3001\u8ad6\u7406\u7834\u640d\u304c\u5897\u3048\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002RAID\u306f\u201c\u6b63\u3057\u304f\u8aad\u3081\u308b\u3053\u3068\u201d\u304c\u524d\u63d0\u3067\u3059\u3002\u8aad\u3081\u306a\u3044\u72b6\u614b\u3067\u306e\u518d\u69cb\u7bc9\u306f\u3001\u671b\u3080\u65b9\u5411\u306b\u9032\u307e\u306a\u3044\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p> <hr> <h3>LVM\u306e\u843d\u3068\u3057\u7a74\uff1a\u4e0b\u5c64PV\u306e\u4e0d\u5b89\u5b9a\u304c\u4e0a\u5c64\u306b\u6ce2\u53ca\u3059\u308b<\/h3> <p>LVM\u306f\u67d4\u8edf\u3067\u3059\u304c\u3001PV\uff08\u7269\u7406\u30dc\u30ea\u30e5\u30fc\u30e0\uff09\u5074\u304c\u4e0d\u5b89\u5b9a\u3060\u3068\u3001LV\uff08\u8ad6\u7406\u30dc\u30ea\u30e5\u30fc\u30e0\uff09\u3068\u3057\u3066\u306f\u201c\u306a\u3093\u3068\u306a\u304f\u58ca\u308c\u3066\u898b\u3048\u308b\u201d\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305a\u306f\u69cb\u6210\u3092\u78ba\u8a8d\u3057\u3001\u3069\u306ePV\u306b\u4f9d\u5b58\u3057\u3066\u3044\u308b\u304b\u3092\u628a\u63e1\u3057\u307e\u3059\u3002<\/p> <pre><code>sudo pvs sudo vgs sudo lvs -a -o +devices<\/code><\/pre> <p>\u3053\u3053\u3067\u300c\u3069\u306e\u30c7\u30d0\u30a4\u30b9\u304c\u3069\u306eLV\u306b\u7d10\u3065\u3044\u3066\u3044\u308b\u304b\u300d\u304c\u898b\u3048\u308b\u3068\u3001EIO\u304c\u51fa\u3066\u3044\u308b\u7d4c\u8def\u3092\u7279\u5b9a\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002\u9006\u306b\u3001\u898b\u3048\u306a\u3044\u307e\u307e\u624b\u63a2\u308a\u3067\u89e6\u308b\u3068\u3001\u5225LV\u3092\u5dfb\u304d\u8fbc\u3080\u4e8b\u6545\u304c\u8d77\u304d\u307e\u3059\u3002<\/p> <hr> <h3>\u6697\u53f7\u5316\uff08LUKS\uff09\u306e\u843d\u3068\u3057\u7a74\uff1a\u5fa9\u65e7\u5bfe\u8c61\u304c\u201c\u6697\u53f7\u306e\u5916\u304b\u4e2d\u304b\u201d\u3092\u6df7\u540c\u3059\u308b<\/h3> <p>LUKS\u304c\u3042\u308b\u5834\u5408\u3001\u969c\u5bb3\u306f\u300c\u6697\u53f7\u5316\u30b3\u30f3\u30c6\u30ca\u306e\u5916\uff08\u7269\u7406\u30fb\u30d6\u30ed\u30c3\u30af\uff09\u300d\u3067\u8d77\u304d\u3066\u3044\u308b\u306e\u304b\u3001\u300c\u4e2d\uff08\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\uff09\u300d\u3067\u8d77\u304d\u3066\u3044\u308b\u306e\u304b\u3092\u5206\u3051\u3066\u8003\u3048\u307e\u3059\u3002EIO\u306f\u591a\u304f\u306e\u5834\u5408\u3001\u5916\u5074\u306e\u4e0d\u5b89\u5b9a\u304c\u5185\u5074\u306e\u8aad\u3081\u306a\u3055\u3068\u3057\u3066\u73fe\u308c\u307e\u3059\u3002<\/p> <pre><code># \u30d8\u30c3\u30c0\u60c5\u5831\u306e\u78ba\u8a8d\uff08\u8aad\u307f\u53d6\u308a\uff09 sudo cryptsetup luksDump \/dev\/sdXn<\/code><\/pre> <p>\u6697\u53f7\u5316\u304c\u7d61\u3080\u3068\u3001\u64cd\u4f5c\u30df\u30b9\u304c\u5373\u201c\u8aad\u3081\u306a\u3044\u201d\u306b\u3064\u306a\u304c\u308b\u305f\u3081\u3001\u3053\u3053\u306f\u4e00\u822c\u8ad6\u3067\u653b\u3081\u306a\u3044\u65b9\u304c\u5b89\u5168\u3067\u3059\u3002<\/p> <hr> <h3>\u4eee\u60f3\u5316\uff08VMDK\/qcow2\uff09\u306e\u843d\u3068\u3057\u7a74\uff1a\u30db\u30b9\u30c8\u5074\u30b9\u30c8\u30ec\u30fc\u30b8\u969c\u5bb3\u304c\u30b2\u30b9\u30c8\u306b\u201c\u5225\u306e\u9854\u201d\u3067\u51fa\u308b<\/h3> <p>\u30b2\u30b9\u30c8OS\u4e0a\u3067EIO\u304c\u898b\u3048\u3066\u3044\u3066\u3082\u3001\u539f\u56e0\u304c\u30db\u30b9\u30c8\u5074\u306e\u30b9\u30c8\u30ec\u30fc\u30b8\u306b\u3042\u308b\u30b1\u30fc\u30b9\u306f\u73cd\u3057\u304f\u3042\u308a\u307e\u305b\u3093\u3002\u30db\u30b9\u30c8\u306edmesg\u3084\u30b9\u30c8\u30ec\u30fc\u30b8\u30ed\u30b0\u3001\u30c7\u30fc\u30bf\u30b9\u30c8\u30a2\u306e\u5065\u5168\u6027\u304c\u672c\u4f53\u306b\u306a\u308a\u307e\u3059\u3002\u73fe\u5834\u3067\u306f\u300c\u30b2\u30b9\u30c8\u304c\u58ca\u308c\u305f\u300d\u3068\u898b\u3048\u307e\u3059\u304c\u3001\u5b9f\u969b\u306b\u306f\u4e0b\u5c64\u304c\u63fa\u308c\u3066\u3044\u308b\u3060\u3051\u3001\u3068\u3044\u3046\u3053\u3068\u304c\u8d77\u3053\u308a\u307e\u3059\u3002<\/p> <hr> <h3>\u4eca\u3059\u3050\u76f8\u8ac7\u306e\u5224\u65ad\u304c\u5408\u7406\u7684\u306a\u30b1\u30fc\u30b9<\/h3> <ul> <li>RAID\u306e\u30c7\u30a3\u30b9\u30af\u9806\u5e8f\u3001\u30d1\u30ea\u30c6\u30a3\u65b9\u5f0f\u3001\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u304c\u4e0d\u660e\u78ba<\/li> <li>LVM\u3084\u6697\u53f7\u5316\u304c\u91cd\u306a\u308a\u3001\u3069\u3053\u307e\u3067\u304c\u540c\u4e00\u969c\u5bb3\u9818\u57df\u304b\u5206\u304b\u3089\u306a\u3044<\/li> <li>\u4eee\u60f3\u5316\u57fa\u76e4\u3067\u8907\u6570VM\u306b\u5f71\u97ff\u304c\u51fa\u3066\u3044\u3066\u3001\u505c\u6b62\u5224\u65ad\u304c\u96e3\u3057\u3044<\/li> <li>\u518d\u540c\u671f\u3084\u4fee\u5fa9\u64cd\u4f5c\u304c\u201c\u3084\u308a\u76f4\u3057\u4e0d\u80fd\u201d\u306a\u72b6\u6cc1<\/li> <\/ul> <p>\u3053\u306e\u9818\u57df\u306f\u3001\u4e00\u822c\u8ad6\u306e\u624b\u9806\u3060\u3051\u3067\u5b89\u5168\u306b\u7a81\u7834\u3059\u308b\u306e\u304c\u96e3\u3057\u304f\u3001\u500b\u5225\u69cb\u6210\u3068\u30ed\u30b0\u304c\u5168\u3066\u3067\u3059\u3002\u8ff7\u3063\u305f\u6642\u70b9\u3067\u3001<strong>\u682a\u5f0f\u4f1a\u793e\u60c5\u5831\u5de5\u5b66\u7814\u7a76\u6240\u3078\u306e\u76f8\u8ac7\u30fb\u4f9d\u983c<\/strong>\u3092\u691c\u8a0e\u3059\u308b\u3053\u3068\u304c\u3001\u7d50\u679c\u3068\u3057\u3066\u640d\u5931\u3092\u6291\u3048\u308b\u8fd1\u9053\u306b\u306a\u308a\u3084\u3059\u3044\u3067\u3059\u3002<\/p> <ul> <li>\u554f\u3044\u5408\u308f\u305b\u30d5\u30a9\u30fc\u30e0\uff1a<a href=\"https:\/\/jouhou.main.jp\/?page_id=26983\">https:\/\/jouhou.main.jp\/?page_id=26983<\/a><\/li> <li>\u96fb\u8a71\uff1a0120-838-831<\/li> <\/ul> \r\n\r\n\r\n\r\n<p>\u3000<\/p> <a id=\"sec10\"><\/a> <h2 style=\"font-size:1.2em; font-weight:bold; text-decoration:underline;\">\u7b2c10\u7ae0\uff1a\u5e30\u7d50\uff1aEIO\u3092\u4e00\u904e\u6027\u3067\u7d42\u308f\u3089\u305b\u306a\u3044\u2014\u76e3\u8996\/\u5197\u9577\u5316\/\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u8a2d\u8a08\u3068\u76f8\u8ac7\u57fa\u6e96<\/h2> <p>\u969c\u5bb3\u5bfe\u5fdc\u306e\u7d42\u76e4\u3067\u3001\u73fe\u5834\u304c\u3088\u304f\u611f\u3058\u308b\u306e\u306f\u3053\u308c\u3067\u3059\u3002<br>\u300c\u3068\u308a\u3042\u3048\u305a\u52d5\u3044\u305f\u3002\u3067\u3082\u3001\u307e\u305f\u540c\u3058\u591c\u304c\u6765\u308b\u6c17\u304c\u3059\u308b\u300d<\/p> <p>EIO(5)\u306f\u3001\u904b\u3088\u304f\u4e00\u6642\u7684\u306b\u53ce\u675f\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u30b1\u30fc\u30d6\u30eb\u306e\u63a5\u89e6\u304c\u623b\u3063\u305f\u3001\u6e29\u5ea6\u304c\u4e0b\u304c\u3063\u305f\u3001\u8ca0\u8377\u304c\u843d\u3061\u305f\u3001\u306a\u3069\u3067\u201c\u305f\u307e\u305f\u307e\u901a\u308b\u201d\u72b6\u614b\u306b\u306a\u308b\u305f\u3081\u3067\u3059\u3002\u305f\u3060\u3001\u305d\u308c\u3092\u201c\u5fa9\u65e7\u5b8c\u4e86\u201d\u3068\u307f\u306a\u3059\u3068\u3001\u518d\u767a\u6642\u306b\u3088\u308a\u5927\u304d\u3044\u640d\u5931\u3092\u62b1\u3048\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002\u5e30\u7d50\u3068\u3057\u3066\u8a00\u3044\u5207\u308b\u306a\u3089\u3001EIO\u306f<strong>\u300c\u305d\u306e\u5834\u3092\u6574\u3048\u308b\u300d\u3060\u3051\u3067\u7d42\u3048\u308b\u969c\u5bb3\u3067\u306f\u306a\u304f\u3001\u8a2d\u8a08\u3068\u904b\u7528\u3092\u898b\u76f4\u3059\u5408\u56f3<\/strong>\u3067\u3059\u3002<\/p> <hr> <h3>\u518d\u767a\u9632\u6b62\u306e\u5168\u4f53\u50cf\uff1a\u89b3\u6e2c\u2192\u4e88\u5146\u691c\u77e5\u2192\u5197\u9577\u5316\u2192\u5fa9\u65e7\u624b\u9806\u306e\u6a19\u6e96\u5316<\/h3> <p>\u201c\u6b21\u306f\u306a\u3044\u201d\u72b6\u614b\u3092\u4f5c\u308b\u306b\u306f\u3001\u5358\u767a\u306e\u5bfe\u51e6\u3067\u306f\u306a\u304f\u3001\u4ed5\u7d44\u307f\u5316\u304c\u5fc5\u8981\u3067\u3059\u3002\u3084\u308b\u3053\u3068\u3092\u4e26\u3079\u308b\u3068\u30b7\u30f3\u30d7\u30eb\u3067\u3059\u304c\u3001\u73fe\u5834\u4e8b\u60c5\uff08\u505c\u6b62\u3067\u304d\u306a\u3044\u3001\u4e88\u7b97\u304c\u306a\u3044\u3001\u62c5\u5f53\u304c\u5c11\u306a\u3044\uff09\u3067\u5d29\u308c\u304c\u3061\u306a\u306e\u3067\u3001\u9806\u756a\u3092\u4ed8\u3051\u307e\u3059\u3002<\/p> <ol> <li><strong>\u89b3\u6e2c\u306e\u6574\u5099<\/strong>\uff1aSMART\/NVMe\u30ed\u30b0\u3001dmesg\/journalctl\u3001I\/O\u5f85\u3061\uff08iowait\uff09\u3084\u30c7\u30d0\u30a4\u30b9\u30a8\u30e9\u30fc\u56de\u6570\u3092\u3001\u5f8c\u304b\u3089\u8ffd\u3048\u308b\u5f62\u3067\u6b8b\u3059\u3002<\/li> <li><strong>\u4e88\u5146\u691c\u77e5<\/strong>\uff1a\u3057\u304d\u3044\u5024\uff08SMART\u306e\u5897\u52a0\u3001NVMe media errors\u3001timeout\/reset\u983b\u5ea6\uff09\u3092\u6c7a\u3081\u3001\u901a\u77e5\u3059\u308b\u3002<\/li> <li><strong>\u5197\u9577\u5316<\/strong>\uff1a\u5358\u4e00\u969c\u5bb3\u70b9\uff08\u5358\u4f53\u30c7\u30a3\u30b9\u30af\u3001\u5358\u4e00\u96fb\u6e90\u3001\u5358\u4e00\u7d4c\u8def\uff09\u3092\u6e1b\u3089\u3059\u3002<\/li> <li><strong>\u30d0\u30c3\u30af\u30a2\u30c3\u30d7<\/strong>\uff1a\u5fa9\u5143\u30c6\u30b9\u30c8\u307e\u3067\u542b\u3081\u3066\u201c\u4f7f\u3048\u308b\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u201d\u306b\u3059\u308b\u3002<\/li> <li><strong>\u5fa9\u65e7\u624b\u9806\u306e\u6a19\u6e96\u5316<\/strong>\uff1a\u8ab0\u304c\u898b\u3066\u3082\u540c\u3058\u5224\u65ad\u306b\u306a\u308b\u3088\u3046\u306b\u3001\u521d\u52d5\u30fb\u30ed\u30b0\u63a1\u53d6\u30fb\u9000\u907f\u30fb\u76f8\u8ac7\u57fa\u6e96\u3092\u6c7a\u3081\u308b\u3002<\/li> <\/ol> <hr> <h3>\u76e3\u8996\u3067\u898b\u308b\u3079\u304d\u9805\u76ee\uff08EIO\u306b\u76f4\u7d50\u3057\u3084\u3059\u3044\u3082\u306e\uff09<\/h3> <table style=\"border-collapse:collapse; width:100%;\"> <tr> <th style=\"background-color:#eeeeee; border:1px solid #ccc; padding:6px;\">\u30ab\u30c6\u30b4\u30ea<\/th> <th style=\"background-color:#eeeeee; border:1px solid #ccc; padding:6px;\">\u4f8b<\/th> <th style=\"background-color:#eeeeee; border:1px solid #ccc; padding:6px;\">\u898b\u308b\u7406\u7531<\/th> <\/tr> <tr> <td style=\"border:1px solid #ccc; padding:6px;\">\u30c7\u30d0\u30a4\u30b9\u5065\u5168\u6027<\/td> <td style=\"border:1px solid #ccc; padding:6px;\">Reallocated\/Pending\/Uncorrectable\u3001NVMe media errors\u3001spare\u4f4e\u4e0b<\/td> <td style=\"border:1px solid #ccc; padding:6px;\">EIO\u306e\u524d\u6bb5\u3068\u3057\u3066\u5897\u3048\u3084\u3059\u3044<\/td> <\/tr> <tr> <td style=\"border:1px solid #ccc; padding:6px;\">\u30ab\u30fc\u30cd\u30eb\u30a4\u30d9\u30f3\u30c8<\/td> <td style=\"border:1px solid #ccc; padding:6px;\">I\/O timeout\u3001reset\u3001link down\u3001remount-ro<\/td> <td style=\"border:1px solid #ccc; padding:6px;\">\u7d4c\u8def\u4e0d\u5b89\u5b9a\u3084\u5a92\u4f53\u4e0d\u826f\u306e\u201c\u767a\u706b\u70b9\u201d<\/td> <\/tr> <tr> <td style=\"border:1px solid #ccc; padding:6px;\">\u6027\u80fd\u306e\u5d29\u308c<\/td> <td style=\"border:1px solid #ccc; padding:6px;\">iowait\u4e0a\u6607\u3001\u30ec\u30a4\u30c6\u30f3\u30b7\u60aa\u5316\u3001\u30ad\u30e5\u30fc\u8a70\u307e\u308a<\/td> <td style=\"border:1px solid #ccc; padding:6px;\">\u201c\u58ca\u308c\u304b\u3051\u201d\u304c\u6027\u80fd\u52a3\u5316\u3068\u3057\u3066\u5148\u306b\u898b\u3048\u308b\u3053\u3068\u304c\u3042\u308b<\/td> <\/tr> <tr> <td style=\"border:1px solid #ccc; padding:6px;\">\u6e29\u5ea6<\/td> <td style=\"border:1px solid #ccc; padding:6px;\">NVMe\u6e29\u5ea6\u3001\u7b50\u4f53\/\u5438\u6392\u6c17\u6e29\u5ea6<\/td> <td style=\"border:1px solid #ccc; padding:6px;\">\u9ad8\u6e29\u3067timeout\u3084\u30ea\u30bb\u30c3\u30c8\u304c\u5897\u3048\u308b\u3053\u3068\u304c\u3042\u308b<\/td> <\/tr> <\/table> <hr> <h3>\u5197\u9577\u5316\u306e\u8003\u3048\u65b9\uff1a\u6027\u80fd\u3088\u308a\u300c\u5fa9\u65e7\u53ef\u80fd\u6027\u300d\u3092\u512a\u5148\u3059\u308b<\/h3> <p>\u5197\u9577\u5316\u306f\u201c\u901f\u304f\u3059\u308b\u201d\u305f\u3081\u3067\u306f\u306a\u304f\u3001\u58ca\u308c\u3066\u3082\u30b5\u30fc\u30d3\u30b9\u3068\u30c7\u30fc\u30bf\u3092\u5b88\u308b\u305f\u3081\u3067\u3059\u3002EIO\u304c\u51fa\u305f\u3068\u304d\u306b\u5f37\u3044\u306e\u306f\u3001\u5358\u4e00\u30c7\u30a3\u30b9\u30af\u904b\u7528\u3088\u308a\u3082\u3001\u30df\u30e9\u30fc\u3084\u8907\u6570\u7d4c\u8def\u3001\u4ea4\u63db\u53ef\u80fd\u306a\u8a2d\u8a08\u3067\u3059\u3002\u7279\u306b\u3001\u30b9\u30c8\u30ec\u30fc\u30b8\u304c\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u306b\u306a\u308b\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u3001\u6027\u80fd\u306e\u6700\u9069\u5316\u3088\u308a\u5148\u306b\u300c\u58ca\u308c\u305f\u3068\u304d\u306b\u4f55\u304c\u8d77\u304d\u308b\u304b\u300d\u3092\u8a2d\u8a08\u306b\u7e54\u308a\u8fbc\u3080\u65b9\u304c\u3001\u30c8\u30fc\u30bf\u30eb\u306e\u904b\u7528\u30b3\u30b9\u30c8\u304c\u4e0b\u304c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p> <hr> <h3>\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u8a2d\u8a08\uff1a\u4e16\u4ee3\u3068\u691c\u8a3c\u304c\u306a\u3044\u3068\u201c\u306a\u3044\u306e\u3068\u540c\u3058\u201d\u306b\u306a\u308a\u3084\u3059\u3044<\/h3> <p>\u73fe\u5834\u306f\u300c\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u306f\u3042\u308b\u300d\u3068\u8a00\u3044\u304c\u3061\u3067\u3059\u304c\u3001\u969c\u5bb3\u6642\u306b\u672c\u5f53\u306b\u52b9\u304f\u306e\u306f\u6b21\u306e\u6761\u4ef6\u3092\u6e80\u305f\u3059\u3082\u306e\u3067\u3059\u3002<\/p> <ul> <li>\u4e16\u4ee3\u304c\u3042\u308b\uff08\u76f4\u8fd1\u3060\u3051\u3067\u306a\u304f\u3001\u4e00\u5b9a\u671f\u9593\u3055\u304b\u306e\u307c\u308c\u308b\uff09<\/li> <li>\u4fdd\u5b58\u5148\u304c\u5206\u96e2\u3057\u3066\u3044\u308b\uff08\u540c\u4e00\u7b50\u4f53\u30fb\u540c\u4e00\u30dc\u30ea\u30e5\u30fc\u30e0\u306b\u7f6e\u304b\u306a\u3044\uff09<\/li> <li>\u5fa9\u5143\u30c6\u30b9\u30c8\u3092\u3057\u3066\u3044\u308b\uff08\u624b\u9806\u304c\u673a\u4e0a\u3067\u306f\u306a\u304f\u5b9f\u884c\u53ef\u80fd\uff09<\/li> <li>RPO\/RTO\u304c\u5408\u3063\u3066\u3044\u308b\uff08\u696d\u52d9\u304c\u8a31\u5bb9\u3059\u308b\u640d\u5931\u3068\u505c\u6b62\u6642\u9593\u306b\u4e00\u81f4\uff09<\/li> <\/ul> <p>\u3053\u3053\u304c\u6574\u3063\u3066\u3044\u308b\u3068\u3001EIO\u304c\u51fa\u305f\u77ac\u9593\u306b\u300c\u4ea4\u63db\u3057\u3066\u5fa9\u5143\u300d\u3068\u3044\u3046\u30eb\u30fc\u30c8\u304c\u53d6\u308c\u307e\u3059\u3002\u9006\u306b\u6574\u3063\u3066\u3044\u306a\u3044\u3068\u3001\u201c\u305d\u306e\u5834\u3067\u4f55\u3068\u304b\u3059\u308b\u201d\u306b\u5bc4\u3063\u3066\u3057\u307e\u3044\u3001\u30ea\u30b9\u30af\u304c\u9ad8\u304f\u306a\u308a\u307e\u3059\u3002<\/p> <hr> <h3>\u300c\u4e00\u822c\u8ad6\u306e\u9650\u754c\u300d\u3092\u8d85\u3048\u308b\u30b5\u30a4\u30f3\uff08\u76f8\u8ac7\u306e\u57fa\u6e96\u3092\u660e\u6587\u5316\u3059\u308b\uff09<\/h3> <p>\u5224\u65ad\u304c\u5c5e\u4eba\u5316\u3059\u308b\u3068\u3001\u591c\u9593\u5bfe\u5fdc\u306e\u305f\u3073\u306b\u540c\u3058\u8b70\u8ad6\u304c\u904e\u71b1\u3057\u307e\u3059\u3002\u3060\u304b\u3089\u3001\u76f8\u8ac7\u57fa\u6e96\u3092\u6587\u7ae0\u306b\u3057\u3066\u304a\u304f\u306e\u304c\u6709\u52b9\u3067\u3059\u3002<\/p> <ul> <li>EIO\u304c\u4e00\u5b9a\u56de\u6570\u4ee5\u4e0a\u767a\u751f\u3001\u307e\u305f\u306f\u77ed\u671f\u9593\u306b\u5897\u52a0\u3057\u3066\u3044\u308b<\/li> <li>remount-ro\u3084journal abort\u304c\u51fa\u305f<\/li> <li>SMART\/NVMe\u30ed\u30b0\u3067\u4e0d\u826f\u5146\u5019\u304c\u5897\u3048\u3066\u3044\u308b<\/li> <li>RAID\/LVM\/\u6697\u53f7\u5316\/\u4eee\u60f3\u5316\u304c\u7d61\u307f\u3001\u624b\u9806\u30df\u30b9\u304c\u81f4\u547d\u50b7\u306b\u306a\u308a\u5f97\u308b<\/li> <li>\u9867\u5ba2\u5f71\u97ff\u30fb\u696d\u52d9\u5f71\u97ff\u304c\u5927\u304d\u304f\u3001\u505c\u6b62\u5224\u65ad\u304c\u96e3\u3057\u3044<\/li> <\/ul> <p>\u3053\u306e\u57fa\u6e96\u3092\u6e80\u305f\u3059\u306a\u3089\u3001\u73fe\u5834\u304c\u4e00\u4eba\u3067\u62b1\u3048\u308b\u3088\u308a\u3001\u5916\u90e8\u306e\u5c02\u9580\u5bb6\u3092\u5165\u308c\u3066\u201c\u640d\u5931\u30fb\u6d41\u51fa\u201d\u306e\u82bd\u3092\u65e9\u3081\u306b\u6458\u3080\u65b9\u304c\u5408\u7406\u7684\u3067\u3059\u3002\u500b\u5225\u6848\u4ef6\u3067\u306f\u3001\u30ed\u30b0\u306e\u8aad\u307f\u65b9\u3082\u3001\u9000\u907f\u306e\u9806\u756a\u3082\u3001\u69cb\u6210\u306e\u843d\u3068\u3057\u7a74\u3082\u5909\u308f\u308a\u307e\u3059\u3002\u3060\u304b\u3089\u3053\u305d\u3001<strong>\u682a\u5f0f\u4f1a\u793e\u60c5\u5831\u5de5\u5b66\u7814\u7a76\u6240<\/strong>\u306e\u3088\u3046\u306a\u5c02\u9580\u5bb6\u306b\u76f8\u8ac7\u3057\u3001\u6700\u77ed\u3067\u201c\u5b89\u5168\u306a\u843d\u3068\u3057\u6240\u201d\u3092\u4f5c\u308b\u3053\u3068\u304c\u3001\u73fe\u5834\u306b\u3068\u3063\u3066\u6700\u3082\u512a\u3057\u3044\u9078\u629e\u306b\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p> <ul> <li>\u554f\u3044\u5408\u308f\u305b\u30d5\u30a9\u30fc\u30e0\uff1a<a href=\"https:\/\/jouhou.main.jp\/?page_id=26983\">https:\/\/jouhou.main.jp\/?page_id=26983<\/a><\/li> <li>\u96fb\u8a71\uff1a0120-838-831<\/li> <\/ul> \r\n\r\n\r\n\r\n<p>\u3000<\/p> <h2 style=\"font-size:1.2em; font-weight:bold; text-decoration:underline;\">\u88dc\u8db3\uff1a\u73fe\u5728\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u8a00\u8a9e\u5404\u7a2e\u306b\u304a\u3051\u308bI\/O\u30a8\u30e9\u30fc\u5bfe\u5fdc\u306e\u6ce8\u610f\u70b9<\/h2> <p>EIO(5)\u306f\u8a00\u8a9e\u306e\u9055\u3044\u3068\u3044\u3046\u3088\u308a\u3001OS\u3068\u30b9\u30c8\u30ec\u30fc\u30b8\u306e\u73fe\u5b9f\u304c\u8868\u306b\u51fa\u305f\u3082\u306e\u3067\u3059\u3002\u305f\u3060\u3057\u3001\u8a00\u8a9e\u3054\u3068\u306b\u4f8b\u5916\u306e\u51fa\u65b9\u3001\u30ea\u30c8\u30e9\u30a4\u306e\u8a2d\u8a08\u3001\u30ed\u30b0\u306e\u6b8b\u308a\u65b9\u304c\u9055\u3046\u305f\u3081\u3001\u5b9f\u52d9\u3067\u306e\u201c\u843d\u3068\u3057\u7a74\u201d\u306f\u5206\u304b\u308c\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u73fe\u5834\u3067\u4e8b\u6545\u304c\u8d77\u304d\u3084\u3059\u3044\u6ce8\u610f\u70b9\u306b\u7d5e\u308a\u307e\u3059\u3002<\/p> <hr> <h3>C \/ C++<\/h3> <ul> <li>read\/write\u306e\u623b\u308a\u5024\u3068errno\u306e\u6271\u3044\u3092\u53b3\u5bc6\u306b\u3059\u308b\uff08\u77ed\u3044\u8aad\u307f\u53d6\u308a\u3084\u90e8\u5206\u66f8\u304d\u8fbc\u307f\u3092\u201c\u6210\u529f\u201d\u3068\u8aa4\u89e3\u3057\u306a\u3044\uff09\u3002<\/li> <li>fsync\/fdatasync\u306e\u5931\u6557\u3092\u7121\u8996\u3057\u306a\u3044\uff08\u66f8\u304d\u8fbc\u307f\u6210\u529f\u306b\u898b\u3048\u3066\u3082\u3001\u6c38\u7d9a\u5316\u3067\u5931\u6557\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u3042\u308b\uff09\u3002<\/li> <li>O_DIRECT\u3084\u30d0\u30c3\u30d5\u30a1\u30ea\u30f3\u30b0\u8a2d\u5b9a\u3067\u969c\u5bb3\u306e\u898b\u3048\u65b9\u304c\u5909\u308f\u308b\u305f\u3081\u3001\u691c\u8a3c\u74b0\u5883\u3068\u672c\u756a\u306e\u5dee\u3092\u628a\u63e1\u3059\u308b\u3002<\/li> <\/ul> <h3>Go<\/h3> <ul> <li>io.Copy\u306a\u3069\u306e\u62bd\u8c61\u5316\u306e\u4e0b\u3067\u8fd4\u308berror\u3092\u63e1\u308a\u6f70\u3055\u306a\u3044\uff08\u30ed\u30b0\u306berrno\u76f8\u5f53\u3092\u6b8b\u3059\uff09\u3002<\/li> <li>context\u306e\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3068I\/O\u5931\u6557\u3092\u6df7\u540c\u3057\u306a\u3044\uff08\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u306f\u7d4c\u8def\u4e0d\u5b89\u5b9a\u306e\u524d\u5146\u306b\u3082\u306a\u308b\uff09\u3002<\/li> <li>\u30d5\u30a1\u30a4\u30eb\u66f8\u304d\u8fbc\u307f\u5f8c\u306eSync\u3092\u7701\u7565\u3057\u306a\u3044\uff08\u7528\u9014\u306b\u3088\u308a\u8010\u969c\u5bb3\u6027\u304c\u5909\u308f\u308b\uff09\u3002<\/li> <\/ul> <h3>Java \/ Kotlin<\/h3> <ul> <li>IOException\u3092\u4e00\u62ec\u308a\u306b\u6271\u308f\u305a\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u3084\u539f\u56e0\uff08cause\uff09\u3092\u30ed\u30b0\u306b\u6b8b\u3059\u3002<\/li> <li>\u30d5\u30a1\u30a4\u30eb\u66f8\u304d\u8fbc\u307f\u306e\u201c\u6210\u529f\u201d\u3068\u6c38\u7d9a\u5316\u306e\u201c\u6210\u529f\u201d\u3092\u540c\u4e00\u8996\u3057\u306a\u3044\uff08flush\/fsync\u76f8\u5f53\u306e\u6271\u3044\u3092\u8a2d\u8a08\u306b\u542b\u3081\u308b\uff09\u3002<\/li> <li>\u30b9\u30c8\u30ec\u30fc\u30b8\u52a3\u5316\u6642\u306bGC\u3084\u30b9\u30ec\u30c3\u30c9\u30d7\u30fc\u30eb\u304c\u8a70\u307e\u3063\u3066\u4e8c\u6b21\u969c\u5bb3\u304c\u8d77\u304d\u308b\u305f\u3081\u3001\u30d0\u30c3\u30af\u30d7\u30ec\u30c3\u30b7\u30e3\u30fc\u8a2d\u8a08\u304c\u91cd\u8981\u3002<\/li> <\/ul> <h3>Python<\/h3> <ul> <li>\u4f8b\u5916\u51e6\u7406\u3067OSError\u3092\u63e1\u308a\u6f70\u3055\u305a\u3001errno\u3092\u5fc5\u305a\u8a18\u9332\u3059\u308b\uff08EIO\u3068ENOSPC\u7b49\u3092\u6df7\u540c\u3057\u306a\u3044\uff09\u3002<\/li> <li>\u30ed\u30b0\u3084\u4e00\u6642\u30d5\u30a1\u30a4\u30eb\u306e\u51fa\u529b\u5148\u304c\u969c\u5bb3\u30dc\u30ea\u30e5\u30fc\u30e0\u3060\u3068\u3001\u8a3a\u65ad\u306e\u8db3\u5834\u304c\u5d29\u308c\u308b\uff08\u5225\u30dc\u30ea\u30e5\u30fc\u30e0\u3078\u9003\u304c\u3059\uff09\u3002<\/li> <li>\u518d\u8a66\u884c\u30eb\u30fc\u30d7\u306f\u56de\u6570\u30fb\u5f85\u6a5f\u30fb\u4e2d\u65ad\u6761\u4ef6\u3092\u8a2d\u8a08\u3057\u3001\u7121\u9650\u30eb\u30fc\u30d7\u3067\u969c\u5bb3\u3092\u5897\u5e45\u3057\u306a\u3044\u3002<\/li> <\/ul> <h3>Node.js \/ TypeScript<\/h3> <ul> <li>\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\/Promise\u306e\u30a8\u30e9\u30fc\u3092\u672a\u51e6\u7406\u306b\u3057\u306a\u3044\uff08\u672a\u51e6\u7406\u4f8b\u5916\u3067\u30d7\u30ed\u30bb\u30b9\u304c\u843d\u3061\u308b\u3068\u4e8c\u6b21\u969c\u5bb3\u306b\u306a\u308b\uff09\u3002<\/li> <li>\u30b9\u30c8\u30ea\u30fc\u30e0\u306eerror\u30a4\u30d9\u30f3\u30c8\u3092\u5fc5\u305a\u76e3\u8996\u3057\u3001\u9014\u4e2d\u5931\u6557\u3092\u201c\u6210\u529f\u6271\u3044\u201d\u3057\u306a\u3044\u3002<\/li> <li>\u30ea\u30c8\u30e9\u30a4\u5b9f\u88c5\u306f\u6307\u6570\u30d0\u30c3\u30af\u30aa\u30d5\uff0b\u4e0a\u9650\uff0b\u30b5\u30fc\u30ad\u30c3\u30c8\u30d6\u30ec\u30fc\u30ab\u30fc\u3092\u7d44\u307f\u5408\u308f\u305b\u3001\u30b9\u30c8\u30ec\u30fc\u30b8\u306b\u8ffd\u3044\u6253\u3061\u3092\u639b\u3051\u306a\u3044\u3002<\/li> <\/ul> <h3>Rust<\/h3> <ul> <li>Result\u306e\u53d6\u308a\u56de\u3057\u3067\u30a8\u30e9\u30fc\u6587\u8108\u3092\u843d\u3068\u3055\u306a\u3044\uff08anyhow\/thiserror\u7b49\u3067\u539f\u56e0\u3092\u4fdd\u6301\u3057\u3001\u30ed\u30b0\u306b\u6b8b\u3059\uff09\u3002<\/li> <li>atomic rename\u3084\u4e00\u6642\u30d5\u30a1\u30a4\u30eb\u6226\u7565\u3092\u63a1\u308b\u5834\u5408\u3067\u3082\u3001fsync\u5883\u754c\u306e\u8a2d\u8a08\u304c\u306a\u3044\u3068\u201c\u6210\u529f\u306b\u898b\u3048\u308b\u7834\u640d\u201d\u304c\u8d77\u304d\u5f97\u308b\u3002<\/li> <li>\u4f4e\u30ec\u30d9\u30ebI\/O\u3092\u81ea\u524d\u5b9f\u88c5\u3059\u308b\u969b\u306f\u3001\u90e8\u5206\u66f8\u304d\u8fbc\u307f\u30fb\u540c\u671f\u30fb\u30a8\u30e9\u30fc\u4f1d\u64ad\u3092\u53b3\u5bc6\u306b\u6271\u3046\u3002<\/li> <\/ul> <hr> <p>\u3069\u306e\u8a00\u8a9e\u3067\u3082\u5171\u901a\u3057\u3066\u91cd\u8981\u306a\u306e\u306f\u3001\u300cEIO\u306f\u56de\u6570\u3092\u91cd\u306d\u308b\u307b\u3069\u640d\u5931\u304c\u5897\u3048\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u300d\u3068\u3044\u3046\u73fe\u5b9f\u3092\u524d\u63d0\u306b\u3001<strong>\u30ea\u30c8\u30e9\u30a4\u306e\u3084\u308a\u904e\u304e\u3092\u907f\u3051\u3001\u89b3\u6e2c\uff08\u30ed\u30b0\uff09\u3092\u6b8b\u3057\u3001\u9000\u907f\u3092\u512a\u5148\u3067\u304d\u308b\u8a2d\u8a08<\/strong>\u306b\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u500b\u5225\u306e\u30b7\u30b9\u30c6\u30e0\u69cb\u6210\u3084\u30c7\u30fc\u30bf\u91cd\u8981\u5ea6\u306b\u3088\u3063\u3066\u6700\u9069\u89e3\u306f\u5909\u308f\u308b\u305f\u3081\u3001\u5177\u4f53\u7684\u306a\u6848\u4ef6\u30fb\u5951\u7d04\u30fb\u69cb\u6210\u3067\u60a9\u3093\u3060\u6642\u306f\u3001<strong>\u682a\u5f0f\u4f1a\u793e\u60c5\u5831\u5de5\u5b66\u7814\u7a76\u6240\u3078\u306e\u76f8\u8ac7\u30fb\u4f9d\u983c<\/strong>\u3092\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p> <ul> <li>\u554f\u3044\u5408\u308f\u305b\u30d5\u30a9\u30fc\u30e0\uff1a<a href=\"https:\/\/jouhou.main.jp\/?page_id=26983\">https:\/\/jouhou.main.jp\/?page_id=26983<\/a><\/li> <li>\u96fb\u8a71\uff1a0120-838-831<\/li> <\/ul> \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-6c02ce6 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6c02ce6\" 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-704b3c02\" data-id=\"704b3c02\" 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-531cb039 elementor-widget elementor-widget-text-editor\" data-id=\"531cb039\" 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> \u73fe\u4ee3\u306eIT\u74b0\u5883\u306b\u304a\u3044\u3066\u5165\u51fa\u529b\u30a8\u30e9\u30fc\u306f\u907f\u3051\u3089\u308c\u306a\u3044\u8ab2\u984c\u306e\u4e00\u3064\u3067\u3059\u3002\u672c\u8a18\u4e8b\u3067\u306f\u3001Ubuntu\u30b7\u30b9\u30c6\u30e0\u3067\u767a\u751f\u3059\u308b\u300cI\/O error\u300d\u306e\u539f\u56e0\u3068\u305d\u306e\u8a3a\u65ad\u65b9\u6cd5\u3001\u305d\u3057\u3066\u8fc5\u901f\u306a\u5fa9\u65e7\u306b\u5411\u3051\u305f\u5177\u4f53\u7684\u306a\u5bfe\u7b56\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002\u30b7\u30b9\u30c6\u30e0\u7ba1\u7406\u8005\u3084IT\u62c5\u5f53\u8005\u304c\u5b89\u5fc3\u3057\u3066\u5bfe\u5fdc\u3067\u304d\u308b\u77e5\u8b58\u3092\u8eab\u306b\u3064\u3051\u308b\u305f\u3081\u306e\u30dd\u30a4\u30f3\u30c8\u3092\u62bc\u3055\u3048\u307e\u3057\u3087\u3046\u3002   \u73fe\u4ee3\u306eIT\u74b0\u5883\u306b\u304a\u3044\u3066\u5165\u51fa\u529b\u30a8\u30e9\u30fc\u306f\u907f\u3051\u3089\u308c\u306a\u3044\u8ab2\u984c\u306e\u4e00\u3064\u3067\u3059\u3002\u7279\u306b\u3001Ubuntu\u3092\u306f\u3058\u3081\u3068\u3059\u308bLinux\u7cfb\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u3001\u7a81\u7136\u306e\u300cI\/O error\u300d\u304c\u767a\u751f\u3059\u308b\u3068\u3001\u696d\u52d9\u306e\u505c\u6ede\u3084\u30c7\u30fc\u30bf\u306e\u640d\u5931\u306b\u3064\u306a\u304c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30a8\u30e9\u30fc\u306f\u3001\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u306e\u6545\u969c\u3001\u30b1\u30fc\u30d6\u30eb\u306e\u65ad\u7dda\u3001\u30c9\u30e9\u30a4\u30d6\u306e\u7269\u7406\u7684\u306a\u640d\u50b7\u3001\u307e\u305f\u306f\u30b7\u30b9\u30c6\u30e0\u306e\u8a2d\u5b9a\u4e0d\u826f\u306a\u3069\u3001\u3055\u307e\u3056\u307e\u306a\u539f\u56e0\u306b\u3088\u3063\u3066\u5f15\u304d\u8d77\u3053\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u30b7\u30b9\u30c6\u30e0\u7ba1\u7406\u8005\u3084IT\u62c5\u5f53\u8005\u306b\u3068\u3063\u3066\u3001\u554f\u984c\u306e\u6839\u672c\u539f\u56e0\u3092\u7d20\u65e9\u304f\u7279\u5b9a\u3057\u3001\u9069\u5207\u306a\u5bfe\u5fdc\u3092\u884c\u3046\u3053\u3068\u306f\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\u3002\u672c\u8a18\u4e8b\u3067\u306f\u3001\u300cI\/O error\u300d\u306e\u539f\u56e0\u3092\u7406\u89e3\u3057\u3001\u5177\u4f53\u7684\u306a\u8a3a\u65ad\u65b9\u6cd5\u3084\u5bfe\u7b56\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002\u5c02\u9580\u7684\u306a\u77e5\u8b58\u304c\u306a\u304f\u3066\u3082\u7406\u89e3\u3067\u304d\u308b\u3088\u3046\u306b\u3001\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3057\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u4fe1\u983c\u3067\u304d\u308b\u30c7\u30fc\u30bf\u5fa9\u65e7\u306e\u5c02\u9580\u696d\u8005\u306b\u983c\u308b\u3053\u3068\u306e\u91cd\u8981\u6027\u3082\u7d39\u4ecb\u3057\u307e\u3059\u3002\u30b7\u30b9\u30c6\u30e0\u306e\u5b89\u5b9a\u6027\u3092\u7dad\u6301\u3057\u3001\u91cd\u8981\u306a\u30c7\u30fc\u30bf\u3092\u5b88\u308b\u305f\u3081\u306e\u30dd\u30a4\u30f3\u30c8\u3092\u62bc\u3055\u3048\u3001\u5b89\u5fc3\u3057\u3066\u30b7\u30b9\u30c6\u30e0\u904b\u7528\u3092\u7d9a\u3051\u308b\u305f\u3081\u306e\u4e00\u52a9\u3068\u306a\u308c\u3070\u5e78\u3044\u3067\u3059\u3002<\/p><br><br><h2 class='fukudai'>I\/O\u30a8\u30e9\u30fc\u306e\u57fa\u790e\u77e5\u8b58\u3068\u305d\u306e\u767a\u751f\u539f\u56e0\u306b\u3064\u3044\u3066<\/h2><br><p>I\/O\u30a8\u30e9\u30fc\u306e\u57fa\u790e\u77e5\u8b58\u3068\u305d\u306e\u767a\u751f\u539f\u56e0\u306b\u3064\u3044\u3066  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