{"id":213,"date":"2022-09-21T20:06:05","date_gmt":"2022-09-04T07:31:35","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/index.php\/2023\/11\/30\/%e3%82%a6%e3%83%96%e3%83%b3%e3%83%88%e3%82%a522-04%e3%81%a7mdadm%e3%82%92%e4%bd%bf%e7%94%a8%e3%81%97%e3%81%a6raid%e3%82%a2%e3%83%ac%e3%82%a4%e3%82%92%e7%ae%a1%e7%90%86%e3%81%99%e3%82%8b%e6%96%b9\/"},"modified":"2025-07-31T21:43:15","modified_gmt":"2025-07-31T12:43:15","slug":"%e3%82%a6%e3%83%96%e3%83%b3%e3%83%88%e3%82%a522-04%e3%81%a7mdadm%e3%82%92%e4%bd%bf%e7%94%a8%e3%81%97%e3%81%a6raid%e3%82%a2%e3%83%ac%e3%82%a4%e3%82%92%e7%ae%a1%e7%90%86%e3%81%99%e3%82%8b%e6%96%b9","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/%e3%82%a6%e3%83%96%e3%83%b3%e3%83%88%e3%82%a522-04%e3%81%a7mdadm%e3%82%92%e4%bd%bf%e7%94%a8%e3%81%97%e3%81%a6raid%e3%82%a2%e3%83%ac%e3%82%a4%e3%82%92%e7%ae%a1%e7%90%86%e3%81%99%e3%82%8b%e6%96%b9\/","title":{"rendered":"\u30a6\u30d6\u30f3\u30c8\u30a522.04\u3067mdadm\u3092\u4f7f\u7528\u3057\u3066RAID\u30a2\u30ec\u30a4\u3092\u7ba1\u7406\u306e\u65b9\u6cd5"},"content":{"rendered":"<h3>\u306f\u3058\u3081\u306b<\/h3>\n<p>RAID\u30a2\u30ec\u30a4\u306f\u3001\u500b\u3005\u306e\u30c7\u30a3\u30b9\u30af\u3092\u7279\u5b9a\u306e\u8a2d\u5b9a\u3067\u4eee\u60f3\u30b9\u30c8\u30ec\u30fc\u30b8\u30c7\u30d0\u30a4\u30b9\u306b\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u5197\u9577\u6027\u3092\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002Linux\u3067\u306f\u3001mdadm\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u304c\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2RAID\u30a2\u30ec\u30a4\u3092\u4f5c\u6210\u3057\u7ba1\u7406\u3057\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u524d\u306e\u30ac\u30a4\u30c9\u3067\u306f\u3001Ubuntu 22.04\u3067mdadm\u3092\u4f7f\u7528\u3057\u3066RAID\u30a2\u30ec\u30a4\u3092\u4f5c\u6210\u3059\u308b\u65b9\u6cd5\u3092\u8aac\u660e\u3057\u307e\u3057\u305f\u3002\u3053\u306e\u30ac\u30a4\u30c9\u3067\u306f\u3001Ubuntu 22.04\u30b5\u30fc\u30d0\u30fc\u3067RAID\u30a2\u30ec\u30a4\u3092\u7ba1\u7406\u3059\u308b\u65b9\u6cd5\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<h2>\u524d\u63d0\u6761\u4ef6<\/h2>\n<p>\u3053\u306e\u30ac\u30a4\u30c9\u306b\u5f93\u3046\u306b\u306f\u3001\u975e\u30eb\u30fc\u30c8\u306esudo\u30e6\u30fc\u30b6\u30fc\u3078\u306e\u30a2\u30af\u30bb\u30b9\u304c\u5fc5\u8981\u3067\u3059\u3002\u9069\u5207\u306a\u30e6\u30fc\u30b6\u30fc\u3092\u8a2d\u5b9a\u3059\u308b\u305f\u3081\u306b\u3001\u5f53\u793e\u306eUbuntu 22.04\u521d\u671f\u30b5\u30fc\u30d0\u30fc\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u30ac\u30a4\u30c9\u306b\u5f93\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u524d\u306b\u8a00\u53ca\u3057\u305f\u3088\u3046\u306b\u3001\u3053\u306e\u30ac\u30a4\u30c9\u3067\u306fRAID\u30a2\u30ec\u30a4\u306e\u7ba1\u7406\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002\u3053\u306e\u30ac\u30a4\u30c9\u3092\u59cb\u3081\u308b\u524d\u306b\u3001Ubuntu 22.04\u3067mdadm\u3092\u4f7f\u7528\u3057\u3066RAID\u30a2\u30ec\u30a4\u3092\u4f5c\u6210\u3059\u308b\u65b9\u6cd5\u306b\u95a2\u3059\u308b\u5f53\u793e\u306e\u30ac\u30a4\u30c9\u306b\u5f93\u3063\u3066\u30011\u3064\u4ee5\u4e0a\u306e\u30a2\u30ec\u30a4\u3092\u4f5c\u6210\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u306e\u30ac\u30a4\u30c9\u3067\u306f\u30011\u3064\u4ee5\u4e0a\u306e\u30a2\u30ec\u30a4\u3092\u64cd\u4f5c\u3059\u308b\u3053\u3068\u3092\u524d\u63d0\u3068\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<div class=\"post-conf-info\">\n<p class=\"post-conf-desc\">Info<\/p>\n<div>\u60c5\u5831: \u4eee\u60f3\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u30b5\u30fc\u30d0\u30fc\u3067\u306eRAID\u306e\u52b9\u7387\u306e\u4f4e\u3055\u306b\u3088\u308a\u3001Silicon Cloud\u306e\u30c9\u30ed\u30c3\u30d7\u30ec\u30c3\u30c8\u3067\u306eRAID\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u306e\u30c7\u30d7\u30ed\u30a4\u306f\u304a\u52e7\u3081\u3057\u307e\u305b\u3093\u3002\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u306e\u30c7\u30a3\u30b9\u30af\u8907\u88fd\u306e\u52b9\u7387\u306b\u3088\u308a\u3001\u30d9\u30a2\u30e1\u30bf\u30eb\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u4e0a\u306e\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u3068\u6bd4\u8f03\u3057\u3066\u3001RAID\u306e\u5229\u70b9\u306f\u7121\u8996\u3067\u304d\u308b\u307b\u3069\u308f\u305a\u304b\u3067\u3059\u3002\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u306f\u3001\u5f93\u6765\u306eRAID\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u306e\u53c2\u8003\u306b\u306a\u308b\u3053\u3068\u3092\u76ee\u6307\u3057\u3066\u3044\u307e\u3059\u3002<\/div>\n<\/div>\n<h2>RAID\u30c7\u30d0\u30a4\u30b9\u306b\u95a2\u3059\u308b\u60c5\u5831\u3092\u53d6\u5f97\u3059\u308b\u3002<\/h2>\n<p>\u9069\u5207\u306a\u7ba1\u7406\u306e\u305f\u3081\u306b\u6700\u3082\u91cd\u8981\u306a\u8981\u4ef6\u306e1\u3064\u306f\u3001\u30a2\u30ec\u30a4\u306e\u69cb\u9020\u3001\u69cb\u6210\u30c7\u30d0\u30a4\u30b9\u3001\u304a\u3088\u3073\u73fe\u5728\u306e\u72b6\u614b\u306b\u95a2\u3059\u308b\u60c5\u5831\u3092\u898b\u3064\u3051\u308b\u80fd\u529b\u3067\u3059\u3002<\/p>\n<p>RAID\u30c7\u30d0\u30a4\u30b9\u306e\u8a73\u7d30\u306a\u60c5\u5831\u306b\u3064\u3044\u3066\u306f\u3001mdadm\u306bRAID\u30c7\u30d0\u30a4\u30b9\u3092-D\u307e\u305f\u306f&#8211;detail\u30aa\u30d7\u30b7\u30e7\u30f3\u3068\u4e00\u7dd2\u306b\u6e21\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> <span class=\"token function\">mdadm<\/span> <span class=\"token parameter variable\">-D<\/span> \/dev\/<mark>md0<\/mark><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u91cd\u8981\u306a\u60c5\u5831\u306f\u3001\u914d\u5217\u306b\u95a2\u3057\u3066\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\/dev\/md0: Version : 1.2 Creation Time : Thu Sep 29 17:07:10 2022 Raid Level : raid10 Array Size : 209582080 (199.87 GiB 214.61 GB) Used Dev Size : 104791040 (99.94 GiB 107.31 GB) Raid Devices : 4 Total Devices : 4 Persistence : Superblock is persistent Update Time : Thu Sep 29 17:08:24 2022 State : clean, resyncing Active Devices : 4 Working Devices : 4 Failed Devices : 0 Spare Devices : 0 Layout : near=2 Chunk Size : 512K Consistency Policy : resync Name : raid2:0 (local to host raid2) UUID : 8069bcc7:72e7b49f:fba1c780:560a85e0 Events : 35 Number Major Minor RaidDevice State 0 8 0 0 active sync set-A \/dev\/sda 1 8 16 1 active sync set-B \/dev\/sdb 2 8 32 2 active sync set-A \/dev\/sdc 3 8 48 3 active sync set-B \/dev\/sdd<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u51fa\u529b\u306b\u306f\u3001RAID\u30ec\u30d9\u30eb\u3001\u30a2\u30ec\u30a4\u306e\u30b5\u30a4\u30ba\u3001\u5404\u500b\u306e\u90e8\u54c1\u306e\u5065\u5eb7\u72b6\u614b\u3001\u30a2\u30ec\u30a4\u306eUUID\u3001\u304a\u3088\u3073\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u30c7\u30d0\u30a4\u30b9\u3068\u305d\u306e\u5f79\u5272\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\/dev\/mdadm\/mdadm.conf \u30d5\u30a1\u30a4\u30eb\u306b\u8ffd\u52a0\u3059\u308b\u306e\u306b\u9069\u3057\u305f\u3001\u914d\u5217\u306e\u77ed\u7e2e\u3055\u308c\u305f\u8a73\u7d30\u3092\u8868\u793a\u3059\u308b\u305f\u3081\u306b\u3001&#8211;brief \u307e\u305f\u306f -b \u30d5\u30e9\u30b0\u3092\u4f7f\u3063\u3066\u8a73\u7d30\u30d3\u30e5\u30fc\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> <span class=\"token function\">mdadm<\/span> <span class=\"token parameter variable\">-Db<\/span> \/dev\/<mark>md0<\/mark><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>ARRAY \/dev\/md0 metadata=1.2 name=mdadmwrite:0 UUID=8069bcc7:72e7b49f:fba1c780:560a85e0<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>RAID\u30c7\u30d0\u30a4\u30b9\u306e\u7c21\u6f54\u306a\u4eba\u9593\u304c\u8aad\u3081\u308b\u8981\u7d04\u3092\u53d6\u5f97\u3059\u308b\u306b\u306f\u3001-Q\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u4f7f\u7528\u3057\u3066\u30af\u30a8\u30ea\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> <span class=\"token function\">mdadm<\/span> <span class=\"token parameter variable\">-Q<\/span> \/dev\/<mark>md0<\/mark><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\/dev\/md0: 199.88GiB raid10 4 devices, 0 spares. Use mdadm &#8211;detail for more detail.<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u4e00\u76ee\u3067RAID\u30c7\u30d0\u30a4\u30b9\u306e\u91cd\u8981\u306a\u60c5\u5831\u3092\u628a\u63e1\u3059\u308b\u305f\u3081\u306b\u3053\u308c\u304c\u5229\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u30c7\u30d0\u30a4\u30b9\u306b\u95a2\u3059\u308b\u60c5\u5831\u306e\u5165\u624b<\/h2>\n<p>\u500b\u5225\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u30c7\u30d0\u30a4\u30b9\u3092\u8abf\u3079\u308b\u305f\u3081\u306b\u3001mdadm\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u30c7\u30d0\u30a4\u30b9\u3068\u5171\u306b\u4f7f\u7528\u3059\u308b\u5834\u5408\u3001-Q\u30aa\u30d7\u30b7\u30e7\u30f3\u306f\u305d\u306e\u30c7\u30d0\u30a4\u30b9\u304c\u3069\u306e\u914d\u5217\u306e\u4e00\u90e8\u3067\u3042\u308a\u3001\u3069\u306e\u5f79\u5272\u3092\u679c\u305f\u3057\u3066\u3044\u308b\u304b\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> <span class=\"token function\">mdadm<\/span> <span class=\"token parameter variable\">-Q<\/span> \/dev\/<mark>sdc<\/mark><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\/dev\/sdc: is not an md array \/dev\/sdc: device 2 in 4 device active raid10 \/dev\/md0. Use mdadm &#8211;examine for more detail.<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u300c-E\u300d\u307e\u305f\u306f\u300c&#8211;examine\u300d\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u8a73\u7d30\u306a\u60c5\u5831\u3092\u53d6\u5f97\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> <span class=\"token function\">mdadm<\/span> <span class=\"token parameter variable\">-E<\/span> \/dev\/<mark>sdc<\/mark><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\/dev\/sdc: Magic : a92b4efc Version : 1.2 Feature Map : 0x0 Array UUID : 8069bcc7:72e7b49f:fba1c780:560a85e0 Name : RAID2204:0 (local to host RAID2204) Creation Time : Wed Oct 5 15:56:03 2022 Raid Level : raid10 Raid Devices : 4 Avail Dev Size : 209582080 sectors (99.94 GiB 107.31 GB) Array Size : 209582080 KiB (199.87 GiB 214.61 GB) Data Offset : 133120 sectors Super Offset : 8 sectors Unused Space : before=132968 sectors, after=0 sectors State : clean Device UUID : 027f74c5:6d488509:64844c7a:add75d88 Update Time : Wed Oct 5 16:13:57 2022 Bad Block Log : 512 entries available at offset 136 sectors Checksum : 98edf3ae &#8211; correct Events : 35 Layout : near=2 Chunk Size : 512K Device Role : Active device 2 Array State : AAAA (&#8216;A&#8217; == active, &#8216;.&#8217; == missing, &#8216;R&#8217; == replacing)<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u3053\u306e\u60c5\u5831\u306f\u3001\u30a2\u30ec\u30a4\u30c7\u30d0\u30a4\u30b9\u306e -D \u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u4f7f\u7528\u3057\u305f\u5834\u5408\u306b\u8868\u793a\u3055\u308c\u308b\u60c5\u5831\u306b\u985e\u4f3c\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u30c7\u30d0\u30a4\u30b9\u304c\u30a2\u30ec\u30a4\u3068\u3069\u306e\u3088\u3046\u306a\u95a2\u4fc2\u306b\u3042\u308b\u304b\u306b\u7126\u70b9\u3092\u5f53\u3066\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>\u300c\/proc\/mdstat\u300d\u306e\u60c5\u5831\u3092\u8aad\u3080<\/h2>\n<p>\u30b5\u30fc\u30d0\u30fc\u4e0a\u306e\u5404\u7d44\u307f\u7acb\u3066\u914d\u5217\u306e\u8a73\u7d30\u60c5\u5831\u306f\u3001\/proc\/mdstat\u30d5\u30a1\u30a4\u30eb\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u4e0a\u306e\u30a2\u30af\u30c6\u30a3\u30d6\u306a\u914d\u5217\u306e\u73fe\u5728\u306e\u72b6\u614b\u3092\u898b\u3064\u3051\u308b\u6700\u826f\u306e\u65b9\u6cd5\u3067\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">cat<\/span> \/proc\/mdstat<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10] md0 : active raid10 sdd[3] sdc[2] sdb[1] sda[0] 209584128 blocks super 1.2 512K chunks 2 near-copies [4\/4] [UUUU] unused devices: &lt;none&gt;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u3053\u3053\u3067\u306f\u51fa\u529b\u304c\u975e\u5e38\u306b\u5bc6\u96c6\u3057\u3066\u304a\u308a\u3001\u5c11\u306a\u3044\u30b9\u30da\u30fc\u30b9\u3067\u591a\u304f\u306e\u60c5\u5831\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<div>\n<p>\/proc\/mdstat \u306e\u30d5\u30ec\u30fc\u30ba\u3092\u65e5\u672c\u8a9e\u3067\u81ea\u7136\u306b\u8a00\u3044\u63db\u3048\u3066\u304f\u3060\u3055\u3044\u30021\u3064\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u69cb\u3044\u307e\u305b\u3093\u3002<\/p>\n<p>\/proc\/mdstat -&gt; \u300c\/proc\/mdstat \u30d5\u30a1\u30a4\u30eb\u300d<\/p>\n<\/div>\n<pre class=\"post-pre\"><code>Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10] \r\n. . .\r\n<\/code><\/pre>\n<p>\u30d1\u30fc\u30bd\u30ca\u30ea\u30c6\u30a3\u306e\u30e9\u30a4\u30f3\u306f\u3001\u30ab\u30fc\u30cd\u30eb\u304c\u73fe\u5728\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308b\u7570\u306a\u308bRAID\u30ec\u30d9\u30eb\u3068\u69cb\u6210\u3092\u8aac\u660e\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>md0\u3068\u3044\u3046\u884c\u306f\u3001RAID\u30c7\u30d0\u30a4\u30b9\u306e\u8aac\u660e\u306e\u59cb\u307e\u308a\u3092\u8868\u3057\u3066\u3044\u307e\u3059\u3002\u7d9a\u304f\u30a4\u30f3\u30c7\u30f3\u30c8\u3055\u308c\u305f\u884c\u3082\u3001\u3053\u306e\u30c7\u30d0\u30a4\u30b9\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<div>\/proc\/mdstat\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u65e5\u672c\u8a9e\u3067\u8868\u73fe\u3067\u304d\u307e\u3059\uff1a\u300c\/proc\/mdstat\u306f\u300d<\/div>\n<pre class=\"post-pre\"><code>. . .\r\nmd0 : active raid10 sdd[3] sdc[2] sdb[1] sda[0]\r\n. . .\r\n<\/code><\/pre>\n<p>\u6700\u521d\u306e\u884c\u306f\u3001\u914d\u5217\u304c\u30a2\u30af\u30c6\u30a3\u30d6\u3067\u3042\u308a\u3001\u6545\u969c\u3057\u3066\u3044\u306a\u3044\u3053\u3068\u3001\u305d\u3057\u3066RAID 10\u3068\u3057\u3066\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u8ff0\u3079\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001\u914d\u5217\u306e\u69cb\u7bc9\u306b\u4f7f\u7528\u3055\u308c\u305f\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u30c7\u30d0\u30a4\u30b9\u304c\u30ea\u30b9\u30c8\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u304b\u3063\u3053\u306e\u4e2d\u306e\u6570\u5b57\u306f\u3001\u30c7\u30d0\u30a4\u30b9\u304c\u914d\u5217\u5185\u3067\u73fe\u5728\u306e\u5f79\u5272\u3092\u793a\u3057\u3066\u304a\u308a\u3001\u30c7\u30d0\u30a4\u30b9\u304c\u4e0e\u3048\u3089\u308c\u308b\u30c7\u30fc\u30bf\u306e\u30b3\u30d4\u30fc\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u3059\u3002<\/p>\n<div>\u300c\/proc\/mdstat\u300d\u3092\u65e5\u672c\u8a9e\u3067\u8a00\u3044\u63db\u3048\u308b\u3068\u300c\/proc\/mdstat\u300d\u3067\u3059\u3002<\/div>\n<pre class=\"post-pre\"><code>. . .\r\n      209584128 blocks super 1.2 512K chunks 2 near-copies [4\/4] [UUUU]\r\n. . .\r\n<\/code><\/pre>\n<p>\u3053\u306e\u4f8b\u306b\u8868\u793a\u3055\u308c\u308b2\u884c\u76ee\u306b\u306f\u3001\u4eee\u60f3\u30c7\u30d0\u30a4\u30b9\u304c\u63d0\u4f9b\u3059\u308b\u30d6\u30ed\u30c3\u30af\u306e\u6570\u3001\u30e1\u30bf\u30c7\u30fc\u30bf\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\uff08\u3053\u306e\u4f8b\u3067\u306f1.2\uff09\u3001\u914d\u5217\u306e\u30c1\u30e3\u30f3\u30af\u30b5\u30a4\u30ba\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002RAID 10\u306e\u914d\u5217\u3067\u3042\u308b\u305f\u3081\u3001\u914d\u5217\u306e\u30ec\u30a4\u30a2\u30a6\u30c8\u306b\u95a2\u3059\u308b\u60c5\u5831\u3082\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u4f8b\u3067\u306f\u3001\u30c7\u30fc\u30bf\u306e\u5404\u30c1\u30e3\u30f3\u30af\u306e2\u3064\u306e\u30b3\u30d4\u30fc\u3092\u30cb\u30a2\u30ec\u30a4\u30a2\u30a6\u30c8\u3067\u683c\u7d0d\u3059\u308b\u3088\u3046\u306b\u69cb\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u89d2\u62ec\u5f27\u5185\u306e\u6700\u5f8c\u306e\u9805\u76ee\u306f\u3001\u4e21\u65b9\u3068\u3082\u5065\u5168\u306a\u30bb\u30c3\u30c8\u5185\u3067\u73fe\u5728\u5229\u7528\u53ef\u80fd\u306a\u30c7\u30d0\u30a4\u30b9\u3092\u8868\u3057\u3066\u3044\u307e\u3059\u3002\u6570\u5024\u306e\u62ec\u5f27\u5185\u306e\u6700\u521d\u306e\u6570\u5b57\u306f\u3001\u5065\u5168\u306a\u914d\u5217\u306e\u30b5\u30a4\u30ba\u3092\u793a\u3057\u30012\u756a\u76ee\u306e\u6570\u5b57\u306f\u73fe\u5728\u5229\u7528\u53ef\u80fd\u306a\u30c7\u30d0\u30a4\u30b9\u306e\u6570\u3092\u8868\u3057\u3066\u3044\u307e\u3059\u3002\u4ed6\u306e\u62ec\u5f27\u306f\u3001\u914d\u5217\u306e\u72b6\u614b\u3092\u8996\u899a\u7684\u306b\u793a\u3057\u3066\u304a\u308a\u3001U\u306f\u5065\u5168\u306a\u30c7\u30d0\u30a4\u30b9\u3092\u3001_\u306f\u6545\u969c\u3057\u305f\u30c7\u30d0\u30a4\u30b9\u3092\u8868\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3082\u3057\u73fe\u5728\u306e\u914d\u5217\u304c\u7d44\u307f\u7acb\u3066\u307e\u305f\u306f\u56de\u5fa9\u4e2d\u3067\u3042\u308b\u5834\u5408\u3001\u9032\u6357\u72b6\u6cc1\u3092\u8868\u793a\u3059\u308b\u5225\u306e\u884c\u304c\u3042\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n<div>\/proc\/mdstat \u3092\u65e5\u672c\u8a9e\u3067\u81ea\u7136\u306b\u8a00\u3044\u63db\u3048\u3066\u304f\u3060\u3055\u3044\u30021\u3064\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u7d50\u69cb\u3067\u3059\uff1a<br \/>\n\/proc\/mdstat &#8211;&gt; \/proc\/mdstat<\/div>\n<pre class=\"post-pre\"><code>. . .\r\n      [&gt;....................]  resync =  0.9% (2032768\/209584128) finish=15.3min speed=225863K\/sec\r\n. . .\r\n<\/code><\/pre>\n<p>\u3053\u308c\u306f\u3001\u3055\u307e\u3056\u307e\u306a\u65b9\u6cd5\u3067\u9069\u7528\u3055\u308c\u3066\u3044\u308b\u64cd\u4f5c\u3068\u73fe\u5728\u306e\u9032\u6357\u72b6\u6cc1\u3092\u8aac\u660e\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u73fe\u5728\u306e\u901f\u5ea6\u3068\u5b8c\u4e86\u307e\u3067\u306e\u4e88\u60f3\u6642\u9593\u3082\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n<p>\u73fe\u5728\u30b7 \u30b9\u30c6\u30e0\u4e0a\u3067\u5b9f\u884c\u3055\u308c \u3066\u3044\u308b\u914d\u5217\u306e\u72b6\u6cc1\u304c\u3088\u304f\u5206\u304b\u3063\u305f\u3089\u3001\u3044\u304f\u3064\u304b\u306e\u884c\u52d5\u3092\u53d6\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>\u914d\u5217\u306e\u505c\u6b62<\/h2>\n<p>\u914d\u5217\u3092\u505c\u6b62\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u6700\u521d\u306b\u30a2\u30f3\u30de\u30a6\u30f3\u30c8\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>cd ~\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u3063\u3066\u3001\u30de\u30a6\u30f3\u30c8\u3055\u308c\u305f\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306e\u5916\u306b\u51fa\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token builtin class-name\">cd<\/span> ~<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u305d\u306e\u5f8c\u3001\u30c7\u30d0\u30a4\u30b9\u3092\u30a2\u30f3\u30de\u30a6\u30f3\u30c8\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> <span class=\"token function\">umount<\/span> \/mnt\/<mark>md0<\/mark><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u300c\u5b9f\u884c\u3059\u308b\u3053\u3068\u3067\u3001\u3059\u3079\u3066\u306e\u30a2\u30af\u30c6\u30a3\u30d6\u306a\u914d\u5217\u3092\u505c\u6b62\u3067\u304d\u307e\u3059\u3002\u300d<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> <span class=\"token function\">mdadm<\/span> <span class=\"token parameter variable\">&#8211;stop<\/span> <span class=\"token parameter variable\">&#8211;scan<\/span><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u7279\u5b9a\u306e\u914d\u5217\u3092\u505c\u6b62\u3057\u305f\u3044\u5834\u5408\u306f\u3001\u305d\u308c\u3092mdadm &#8211;stop\u30b3\u30de\u30f3\u30c9\u306b\u6e21\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> <span class=\"token function\">mdadm<\/span> <span class=\"token parameter variable\">&#8211;stop<\/span> \/dev\/<mark>md0<\/mark><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u3053\u308c\u306b\u3088\u3063\u3066\u914d\u5217\u306f\u505c\u6b62\u3057\u307e\u3059\u3002\u518d\u5ea6\u30a2\u30af\u30bb\u30b9\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u914d\u5217\u3092\u518d\u69cb\u7bc9\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2>\u914d\u5217\u306e\u958b\u59cb<\/h2>\n<p>\u69cb\u6210\u30d5\u30a1\u30a4\u30eb\u307e\u305f\u306f\/proc\/mdstat\u3067\u5b9a\u7fa9\u3055\u308c\u305f\u3059\u3079\u3066\u306e\u914d\u5217\u3092\u958b\u59cb\u3059\u308b\u305f\u3081\u306b\u3001\u6b21\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> <span class=\"token function\">mdadm<\/span> <span class=\"token parameter variable\">&#8211;assemble<\/span> <span class=\"token parameter variable\">&#8211;scan<\/span><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u7279\u5b9a\u306e\u914d\u5217\u3092\u958b\u59cb\u3059\u308b\u305f\u3081\u306b\u3001mdadm &#8211;assemble\u306e\u5f15\u6570\u3068\u3057\u3066\u6e21\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> <span class=\"token function\">mdadm<\/span> <span class=\"token parameter variable\">&#8211;assemble<\/span> \/dev\/<mark>md0<\/mark><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u306b\u914d\u5217\u304c\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u3053\u308c\u306f\u6a5f\u80fd\u3057\u307e\u3059\u3002<\/p>\n<p>\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u304b\u3089\u6b63\u3057\u3044\u914d\u5217\u306e\u5b9a\u7fa9\u304c\u6b20\u3051\u3066\u3044\u308b\u5834\u5408\u3067\u3082\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u30c7\u30d0\u30a4\u30b9\u3092\u6e21\u3059\u3053\u3068\u3067\u914d\u5217\u3092\u958b\u59cb\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> <span class=\"token function\">mdadm<\/span> <span class=\"token parameter variable\">&#8211;assemble<\/span> \/dev\/<mark>md0<\/mark> \/dev\/<mark>sda<\/mark> \/dev\/<mark>sdb<\/mark> \/dev\/<mark>sdc<\/mark> \/dev\/<mark>sdd<\/mark><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u4e00\u5ea6\u914d\u5217\u304c\u7d44\u307f\u7acb\u3066\u3089\u308c\u308c\u3070\u3001\u901a\u5e38\u901a\u308a\u306b\u53d6\u308a\u4ed8\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> <span class=\"token function\">mount<\/span> \/dev\/<mark>md0<\/mark> \/mnt\/<mark>md0<\/mark><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u3053\u306e\u914d\u5217\u306f\u4eca\u3001\u30de\u30a6\u30f3\u30c8\u30dd\u30a4\u30f3\u30c8\u3067\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h2>\u914d\u5217\u306b\u30b9\u30da\u30a2\u30c7\u30d0\u30a4\u30b9\u3092\u8ffd\u52a0\u3059\u308b<\/h2>\n<p>\u5197\u9577\u6027\u3092\u63d0\u4f9b\u3059\u308b\u3059\u3079\u3066\u306e\u30a2\u30ec\u30a4\u306b\u3001RAID 1\u30015\u30016\u3001\u307e\u305f\u306f10\u306e\u3088\u3046\u306a\u4e88\u5099\u306e\u30c7\u30d0\u30a4\u30b9\u3092\u8ffd\u52a0\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30a2\u30af\u30c6\u30a3\u30d6\u306a\u30c7\u30d0\u30a4\u30b9\u304c\u6545\u969c\u3057\u306a\u3044\u9650\u308a\u3001\u4e88\u5099\u30c7\u30d0\u30a4\u30b9\u306f\u30a2\u30ec\u30a4\u306b\u3088\u3063\u3066\u30a2\u30af\u30c6\u30a3\u30d6\u306b\u4f7f\u7528\u3055\u308c\u307e\u305b\u3093\u3002\u30c7\u30d0\u30a4\u30b9\u306e\u6545\u969c\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u3001\u30a2\u30ec\u30a4\u306f\u30c7\u30fc\u30bf\u3092\u4e88\u5099\u30c9\u30e9\u30a4\u30d6\u306b\u518d\u540c\u671f\u3057\u3001\u30a2\u30ec\u30a4\u3092\u5b8c\u5168\u306a\u72b6\u614b\u306b\u4fee\u5fa9\u3057\u307e\u3059\u3002\u4e88\u5099\u30c7\u30d0\u30a4\u30b9\u306f\u5197\u9577\u6027\u306e\u306a\u3044\u30a2\u30ec\u30a4\uff08RAID 0\uff09\u306b\u8ffd\u52a0\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u306a\u305c\u306a\u3089\u3001\u30a2\u30ec\u30a4\u306f\u30c9\u30e9\u30a4\u30d6\u306e\u6545\u969c\u3092\u751f\u304d\u6b8b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n<p>\u4e88\u5099\u30c7\u30d0\u30a4\u30b9\u3092\u8ffd\u52a0\u3059\u308b\u5834\u5408\u306f\u3001\u914d\u5217\u3068\u65b0\u3057\u3044\u30c7\u30d0\u30a4\u30b9\u3092mdadm &#8211;add\u30b3\u30de\u30f3\u30c9\u306b\u6e21\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> <span class=\"token function\">mdadm<\/span> \/dev\/<mark>md0<\/mark> <span class=\"token parameter variable\">&#8211;add<\/span> \/dev\/<mark>sde<\/mark><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u3082\u3057\u30a2\u30ec\u30a4\u304c\u52a3\u5316\u3057\u3066\u3044\u306a\u3044\u72b6\u614b\u3067\u3042\u308c\u3070\u3001\u65b0\u3057\u3044\u30c7\u30d0\u30a4\u30b9\u306f\u4e88\u5099\u3068\u3057\u3066\u8ffd\u52a0\u3055\u308c\u307e\u3059\u3002\u3082\u3057\u30c7\u30d0\u30a4\u30b9\u304c\u73fe\u5728\u52a3\u5316\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u30b9\u30da\u30a2\u3092\u5229\u7528\u3057\u3066\u6545\u969c\u3057\u305f\u30c9\u30e9\u30a4\u30d6\u3092\u3059\u3050\u306b\u7f6e\u304d\u63db\u3048\u308b\u305f\u3081\u306e\u518d\u540c\u671f\u64cd\u4f5c\u304c\u958b\u59cb\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u30b9\u30da\u30a2\u3092\u8ffd\u52a0\u3057\u305f\u5f8c\u3001\u65b0\u3057\u3044\u30c7\u30d0\u30a4\u30b9\u306e\u65b9\u5411\u306b\u53cd\u6620\u3059\u308b\u305f\u3081\u306b\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u3092\u66f4\u65b0\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> <span class=\"token function\">nano<\/span> \/etc\/mdadm\/mdadm.conf<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u3042\u306a\u305f\u306e\u914d\u5217\u5b9a\u7fa9\u306b\u5bfe\u5fdc\u3059\u308b\u73fe\u5728\u306e\u884c\u3092\u524a\u9664\u307e\u305f\u306f\u30b3\u30e1\u30f3\u30c8\u30a2\u30a6\u30c8\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<div>\u4ee5\u4e0b\u306e\u5185\u5bb9\u3092\u65e5\u672c\u8a9e\u3067\u8a00\u3044\u63db\u3048\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059:<br \/>\n\u300c\/etc\/mdadm\/mdadm.conf\u300d<\/div>\n<pre class=\"post-pre\"><code>. . .\r\n<mark>#<\/mark> ARRAY \/dev\/md0 metadata=1.2 name=mdadmwrite:0 UUID=d81c843b:4d96d9fc:5f3f499c:6ee99294\r\n<\/code><\/pre>\n<p>\u305d\u306e\u5f8c\u3001\u73fe\u5728\u306e\u8a2d\u5b9a\u3092\u8ffd\u52a0\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> <span class=\"token function\">mdadm<\/span> <span class=\"token parameter variable\">&#8211;detail<\/span> <span class=\"token parameter variable\">&#8211;brief<\/span> \/dev\/<mark>md0<\/mark> <span class=\"token operator\">|<\/span> <span class=\"token function\">sudo<\/span> <span class=\"token function\">tee<\/span> <span class=\"token parameter variable\">-a<\/span> \/etc\/mdadm\/mdadm.conf<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u65b0\u3057\u3044\u60c5\u5831\u306f\u3001mdadm\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u306b\u3088\u3063\u3066\u30a2\u30ec\u30a4\u3092\u7d44\u307f\u7acb\u3066\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<h2>\u914d\u5217\u5185\u306e\u30a2\u30af\u30c6\u30a3\u30d6\u306a\u30c7\u30d0\u30a4\u30b9\u306e\u6570\u3092\u5897\u3084\u3059<\/h2>\n<p>\u30a2\u30bb\u30f3\u30d6\u30ea\u5185\u306e\u30a2\u30af\u30c6\u30a3\u30d6\u30c7\u30d0\u30a4\u30b9\u306e\u6570\u3092\u5897\u3084\u3059\u3053\u3068\u3067\u3001\u30a2\u30ec\u30a4\u3092\u62e1\u5f35\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002\u5177\u4f53\u7684\u306a\u624b\u9806\u306f\u3001\u4f7f\u7528\u3059\u308bRAID\u30ec\u30d9\u30eb\u306b\u308f\u305a\u304b\u306b\u4f9d\u5b58\u3057\u307e\u3059\u3002<\/p>\n<h3>RAID 1\u307e\u305f\u306fRAID 10\u3092\u4f7f\u7528\u3057\u3066<\/h3>\n<p>\u6700\u521d\u306b\u3001\u524d\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u793a\u3055\u308c\u305f\u3088\u3046\u306b\u3001\u65b0\u3057\u3044\u30c7\u30d0\u30a4\u30b9\u3092\u30b9\u30da\u30a2\u3068\u3057\u3066\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> <span class=\"token function\">mdadm<\/span> \/dev\/<mark>md0<\/mark> <span class=\"token parameter variable\">&#8211;add<\/span> \/dev\/<mark>sde<\/mark><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u30a2\u30ec\u30a4\u5185\u306e\u73fe\u5728\u306eRAID\u30c7\u30d0\u30a4\u30b9\u306e\u6570\u3092\u8abf\u3079\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> <span class=\"token function\">mdadm<\/span> <span class=\"token parameter variable\">&#8211;detail<\/span> \/dev\/<mark>md0<\/mark><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\/dev\/md0: Version : 1.2 Creation Time : Wed Aug 10 15:29:26 2016 Raid Level : raid1 Array Size : 104792064 (99.94 GiB 107.31 GB) Used Dev Size : 104792064 (99.94 GiB 107.31 GB) <mark>Raid Devices : 2<\/mark> <mark>Total Devices : 3<\/mark> Persistence : Superblock is persistent . . .<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001\u30a2\u30ec\u30a4\u306f2\u3064\u306e\u30c7\u30d0\u30a4\u30b9\u3092\u7a4d\u6975\u7684\u306b\u4f7f\u7528\u3059\u308b\u3088\u3046\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u30b9\u30da\u30a2\u306e\u305f\u3081\u306b\u5229\u7528\u53ef\u80fd\u306a\u30c7\u30d0\u30a4\u30b9\u306e\u7dcf\u6570\u306f3\u3064\u3067\u3042\u308b\u3053\u3068\u304c\u660e\u3089\u304b\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u4eca\u3001\u30a2\u30ec\u30a4\u3092\u518d\u69cb\u6210\u3057\u3066\u30a2\u30af\u30c6\u30a3\u30d6\u30c7\u30d0\u30a4\u30b9\u3092\u8ffd\u52a0\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u4e88\u5099\u30c7\u30d0\u30a4\u30b9\u306f\u8ffd\u52a0\u3055\u308c\u305f\u30c9\u30e9\u30a4\u30d6\u8981\u4ef6\u3092\u6e80\u305f\u3059\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u30b3\u30de\u30f3\u30c9\u3067\u306f\u3001\u30bf\u30fc\u30b2\u30c3\u30c8\u3068\u306a\u308bRAID\u30c7\u30d0\u30a4\u30b9\u306e\u6570\u3092\u7f6e\u304d\u63db\u3048\u308b\u3053\u3068\u3092\u5fd8\u308c\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002\u3053\u3053\u3067\u306f\u30012\u3064\u306e\u30c7\u30d0\u30a4\u30b9\u3092\u6301\u3064RAID 1\u30923\u3064\u306b\u5897\u3084\u3057\u3066\u3044\u307e\u3059\u30024\u3064\u306e\u30c7\u30d0\u30a4\u30b9\u304c\u3042\u308bRAID 10\u3067\u3001\u8ffd\u52a0\u306e\u30c9\u30e9\u30a4\u30d6\u304c\u3042\u308b\u5834\u5408\u306f\u3001\u305d\u308c\u30925\u3064\u306b\u5897\u3084\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> <span class=\"token function\">mdadm<\/span> <span class=\"token parameter variable\">&#8211;grow<\/span> &#8211;raid-devices<span class=\"token operator\">=<\/span><mark><span class=\"token number\">3<\/span><\/mark> \/dev\/<mark>md0<\/mark><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u30a2\u30ec\u30a4\u306f\u8ffd\u52a0\u306e\u30a2\u30af\u30c6\u30a3\u30d6\u30c7\u30a3\u30b9\u30af\u3068\u3068\u3082\u306b\u518d\u69cb\u6210\u304c\u59cb\u307e\u308a\u307e\u3059\u3002\u30c7\u30fc\u30bf\u306e\u540c\u671f\u306e\u9032\u6357\u72b6\u6cc1\u3092\u8868\u793a\u3059\u308b\u306b\u306f\u3001\u4ee5\u4e0b\u3092\u5b9f\u884c\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">cat<\/span> \/proc\/mdstat<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u30d7\u30ed\u30bb\u30b9\u304c\u5b8c\u4e86\u3057\u305f\u5f8c\u3082\u3001\u30c7\u30d0\u30a4\u30b9\u3092\u5f15\u304d\u7d9a\u304d\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3>RAID 5\u307e\u305f\u306f6\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/h3>\n<p>\u524d\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u793a\u3055\u308c\u3066\u3044\u308b\u3088\u3046\u306b\u3001\u65b0\u3057\u3044\u30c7\u30d0\u30a4\u30b9\u3092\u4e88\u5099\u3068\u3057\u3066\u8ffd\u52a0\u3059\u308b\u3053\u3068\u304b\u3089\u59cb\u3081\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> <span class=\"token function\">mdadm<\/span> \/dev\/<mark>md0<\/mark> <span class=\"token parameter variable\">&#8211;add<\/span> \/dev\/<mark>sde<\/mark><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u30a2\u30ec\u30a4\u5185\u306e\u73fe\u5728\u306eRAID\u30c7\u30d0\u30a4\u30b9\u306e\u6570\u3092\u8abf\u3079\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> <span class=\"token function\">mdadm<\/span> <span class=\"token parameter variable\">&#8211;detail<\/span> \/dev\/<mark>md0<\/mark><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\/dev\/md0: Version : 1.2 Creation Time : Wed Oct 5 18:38:51 2022 Raid Level : raid5 Array Size : 209584128 (199.88 GiB 214.61 GB) Used Dev Size : 104792064 (99.94 GiB 107.31 GB) <mark>Raid Devices : 3<\/mark> <mark>Total Devices : 4<\/mark> Persistence : Superblock is persistent . . .<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001\u914d\u5217\u306f3\u3064\u306e\u30c7\u30d0\u30a4\u30b9\u3092\u30a2\u30af\u30c6\u30a3\u30d6\u306b\u4f7f\u7528\u3059\u308b\u3088\u3046\u306b\u69cb\u6210\u3055\u308c\u3066\u304a\u308a\u3001\u4e88\u5099\u306e\u30c7\u30d0\u30a4\u30b9\u304c\u8ffd\u52a0\u3055\u308c\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u914d\u5217\u306b\u5229\u7528\u53ef\u80fd\u306a\u30c7\u30d0\u30a4\u30b9\u306e\u7dcf\u6570\u306f4\u3064\u3067\u3059\u3002<\/p>\n<p>\u4eca\u3001\u30a2\u30ec\u30a4\u3092\u518d\u69cb\u6210\u3057\u3066\u3001\u8ffd\u52a0\u306e\u30a2\u30af\u30c6\u30a3\u30d6\u30c7\u30d0\u30a4\u30b9\u3092\u6301\u305f\u305b\u3066\u304f\u3060\u3055\u3044\u3002\u30b9\u30da\u30a2\u306f\u3001\u8ffd\u52a0\u306e\u30c9\u30e9\u30a4\u30d6\u8981\u4ef6\u3092\u6e80\u305f\u3059\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002RAID 5\u307e\u305f\u306fRAID 6\u30a2\u30ec\u30a4\u3092\u62e1\u5f35\u3059\u308b\u969b\u306b\u306f\u3001&#8211;backup-file\u3068\u3044\u3046\u8ffd\u52a0\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u542b\u3081\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u91cd\u8981\u306a\u60c5\u5831\u304c\u683c\u7d0d\u3055\u308c\u308b\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u30d5\u30a1\u30a4\u30eb\u306e\u5834\u6240\u304c\u30a2\u30ec\u30a4\u306e\u5916\u90e8\u3092\u6307\u3057\u307e\u3059\u3002<\/p>\n<div class=\"post-conf-note\">\n<p class=\"post-conf-desc\">Note<\/p>\n<div>\u6ce8\u610f\uff1a\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u30d5\u30a1\u30a4\u30eb\u306f\u3001\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u4e2d\u306b\u975e\u5e38\u306b\u77ed\u3044\u304c\u91cd\u8981\u306a\u6642\u9593\u3060\u3051\u4f7f\u7528\u3055\u308c\u3001\u305d\u306e\u5f8c\u81ea\u52d5\u7684\u306b\u524a\u9664\u3055\u308c\u307e\u3059\u3002\u5fc5\u8981\u306a\u6642\u9593\u5e2f\u304c\u77ed\u3044\u305f\u3081\u3001\u304a\u305d\u3089\u304f\u30c7\u30a3\u30b9\u30af\u4e0a\u3067\u30d5\u30a1\u30a4\u30eb\u3092\u898b\u308b\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u4f55\u304b\u554f\u984c\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306b\u306f\u3001\u30a2\u30ec\u30a4\u306e\u518d\u69cb\u7bc9\u306b\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002\u8a73\u7d30\u3092\u77e5\u308a\u305f\u3044\u5834\u5408\u306f\u3001\u3053\u306e\u6295\u7a3f\u306b\u3044\u304f\u3064\u304b\u306e\u8ffd\u52a0\u60c5\u5831\u304c\u3042\u308a\u307e\u3059\u3002<\/div>\n<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> <span class=\"token function\">mdadm<\/span> <span class=\"token parameter variable\">&#8211;grow<\/span> &#8211;raid-devices<span class=\"token operator\">=<\/span><mark><span class=\"token number\">4<\/span><\/mark> &#8211;backup-file<span class=\"token operator\">=<\/span><mark>\/root\/md0_grow.bak<\/mark> \/dev\/<mark>md0<\/mark><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u6b21\u306e\u51fa\u529b\u306f\u3001\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u30bb\u30af\u30b7\u30e7\u30f3\u304c\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3055\u308c\u308b\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002 (Tsugi no shutsuryoku wa, kuritikaru sekushon ga bakkappu sa reru koto o shimeshiteimasu.)<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>mdadm: Need to backup 3072K of critical section..<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u8ffd\u52a0\u306e\u30a2\u30af\u30c6\u30a3\u30d6\u30c7\u30a3\u30b9\u30af\u3067\u914d\u5217\u304c\u518d\u69cb\u6210\u3055\u308c\u59cb\u3081\u307e\u3059\u3002\u30c7\u30fc\u30bf\u306e\u540c\u671f\u306e\u9032\u884c\u72b6\u6cc1\u3092\u8868\u793a\u3059\u308b\u306b\u306f\u3001\u6b21\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">cat<\/span> \/proc\/mdstat<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u304c\u5b8c\u4e86\u3059\u308b\u307e\u3067\u3001\u30c7\u30d0\u30a4\u30b9\u3092\u5f15\u304d\u7d9a\u304d\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u30ea\u30b7\u30a7\u30a4\u30d7\u304c\u5b8c\u4e86\u3057\u305f\u3089\u3001\u8ffd\u52a0\u30b9\u30da\u30fc\u30b9\u3092\u5229\u7528\u3059\u308b\u305f\u3081\u306b\u30a2\u30ec\u30a4\u4e0a\u306e\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u3092\u62e1\u5f35\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> resize2fs \/dev\/md0<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u3042\u306a\u305f\u306e\u914d\u5217\u306f\u3001\u5bb9\u91cf\u306b\u5408\u308f\u305b\u305f\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u3092\u6301\u3064\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h3>RAID 0\u3092\u4f7f\u7528\u3059\u308b<\/h3>\n<p>RAID 0\u30a2\u30ec\u30a4\u306b\u306f\u4e88\u5099\u30c9\u30e9\u30a4\u30d6\u3092\u6301\u3064\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u306a\u305c\u306a\u3089\u3001\u6545\u969c\u3057\u305fRAID 0\u30a2\u30ec\u30a4\u3092\u4fee\u5fa9\u3059\u308b\u305f\u3081\u306e\u4e88\u5099\u306e\u6a5f\u4f1a\u304c\u3042\u308a\u307e\u305b\u3093\u304b\u3089\u3067\u3059\u3002\u30a2\u30ec\u30a4\u3092\u5897\u3084\u3059\u3068\u540c\u6642\u306b\u3001\u65b0\u3057\u3044\u30c7\u30d0\u30a4\u30b9\u3092\u8ffd\u52a0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u307e\u305a\u3001\u30a2\u30ec\u30a4\u5185\u306e\u73fe\u5728\u306eRAID\u30c7\u30d0\u30a4\u30b9\u306e\u6570\u3092\u8abf\u3079\u3066\u304f\u3060\u3055\u3044\u3002 (Mazu, arei nai no genzai no RAID debaisu no kazu o shirabete kudasai.)<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> <span class=\"token function\">mdadm<\/span> <span class=\"token parameter variable\">&#8211;detail<\/span> \/dev\/<mark>md0<\/mark><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\/dev\/md0: Version : 1.2 Creation Time : Wed Aug 10 19:17:14 2020 Raid Level : raid0 Array Size : 209584128 (199.88 GiB 214.61 GB) <mark>Raid Devices : 2<\/mark> <mark>Total Devices : 2<\/mark> Persistence : Superblock is persistent . . .<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u65b0\u3057\u3044\u30c9\u30e9\u30a4\u30d6\u3092\u8ffd\u52a0\u3059\u308b\u3068\u540c\u6642\u306b\u3001RAID\u30c7\u30d0\u30a4\u30b9\u306e\u6570\u3092\u5897\u3084\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> <span class=\"token function\">mdadm<\/span> <span class=\"token parameter variable\">&#8211;grow<\/span> \/dev\/<mark>md0<\/mark> &#8211;raid-devices<span class=\"token operator\">=<\/span><mark><span class=\"token number\">3<\/span><\/mark> <span class=\"token parameter variable\">&#8211;add<\/span> \/dev\/<mark>sdc<\/mark><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u914d\u5217\u304cRAID 4\u306b\u5909\u66f4\u3055\u308c\u305f\u3053\u3068\u3092\u793a\u3059\u51fa\u529b\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>mdadm: level of \/dev\/md0 changed to raid4 mdadm: added \/dev\/sdc<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u3053\u308c\u306f\u666e\u901a\u3067\u4e88\u60f3\u3055\u308c\u308b\u3053\u3068\u3067\u3059\u3002\u30c7\u30fc\u30bf\u304c\u3059\u3079\u3066\u306e\u65e2\u5b58\u306e\u30c7\u30a3\u30b9\u30af\u306b\u518d\u5206\u914d\u3055\u308c\u305f\u3089\u3001\u914d\u5217\u306f\u518d\u3073RAID 0\u306b\u623b\u308a\u307e\u3059\u3002<\/p>\n<p>\u30a2\u30af\u30b7\u30e7\u30f3\u306e\u9032\u6357\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">cat<\/span> \/proc\/mdstat<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u540c\u671f\u304c\u5b8c\u4e86\u3057\u305f\u3089\u3001\u8ffd\u52a0\u306e\u30b9\u30da\u30fc\u30b9\u3092\u4f7f\u7528\u3059\u308b\u305f\u3081\u306b\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u3092\u30ea\u30b5\u30a4\u30ba\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> resize2fs \/dev\/<mark>md0<\/mark><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u3042\u306a\u305f\u306e\u914d\u5217\u306f\u3001\u4eca\u5f8c\u3001\u305d\u306e\u5bb9\u91cf\u306b\u5408\u3063\u305f\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u3092\u6301\u3064\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h2>\u914d\u5217\u304b\u3089\u30c7\u30d0\u30a4\u30b9\u3092\u53d6\u308a\u9664\u304f\u3002<\/h2>\n<p>RAID\u30a2\u30ec\u30a4\u304b\u3089\u30c9\u30e9\u30a4\u30d6\u3092\u53d6\u308a\u5916\u3059\u3053\u3068\u306f\u3001\u6642\u306b\u306f\u6545\u969c\u304c\u3042\u308b\u5834\u5408\u3084\u30c7\u30a3\u30b9\u30af\u3092\u4ea4\u63db\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u306b\u5fc5\u8981\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u30c7\u30d0\u30a4\u30b9\u3092\u524a\u9664\u3059\u308b\u306b\u306f\u3001\u307e\u305a\u914d\u5217\u5185\u3067\u300c\u6545\u969c\u300d\u3068\u30de\u30fc\u30af\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002mdadm &#8211;detail\u3092\u4f7f\u7528\u3057\u3066\u3001\u6545\u969c\u3057\u305f\u30c7\u30d0\u30a4\u30b9\u304c\u3042\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> <span class=\"token function\">mdadm<\/span> <span class=\"token parameter variable\">&#8211;detail<\/span> \/dev\/<mark>md0<\/mark><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\/dev\/md0: Version : 1.2 Creation Time : Wed Aug 10 21:42:12 2020 Raid Level : raid5 Array Size : 209584128 (199.88 GiB 214.61 GB) Used Dev Size : 104792064 (99.94 GiB 107.31 GB) Raid Devices : 3 Total Devices : 3 Persistence : Superblock is persistent Update Time : Thu Aug 11 14:10:43 2020 <mark>State : clean, degraded <\/mark> Active Devices : 2 Working Devices : 2 <mark>Failed Devices : 1<\/mark> Spare Devices : 0 Layout : left-symmetric Chunk Size : 64K Name : mdadmwrite:0 (local to host mdadmwrite) UUID : bf7a711b:b3aa9440:40d2c12e:79824706 Events : 144 Number Major Minor RaidDevice State 0 0 0 0 removed 1 8 0 1 active sync \/dev\/sda 2 8 16 2 active sync \/dev\/sdb <mark>0 8 32 &#8211; faulty \/dev\/sdc<\/mark><\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u30cf\u30a4\u30e9\u30a4\u30c8\u3055\u308c\u305f\u884c\u3059\u3079\u3066\u304c\u3001\u30c9\u30e9\u30a4\u30d6\u304c\u52d5\u4f5c\u3057\u3066\u3044\u306a\u3044\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u3053\u306e\u51fa\u529b\u3067\u306e\/dev\/sdc\u306f\u3001\u30c9\u30e9\u30a4\u30d6\u304c\u6545\u969c\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3082\u3057\u554f\u984c\u306e\u306a\u3044\u30c9\u30e9\u30a4\u30d6\u3092\u9664\u5916\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u306f\u3001\u300c&#8211;fail\u300d\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u4f7f\u7528\u3057\u3066\u624b\u52d5\u3067\u6545\u969c\u3068\u3057\u3066\u30de\u30fc\u30af\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> <span class=\"token function\">mdadm<\/span> \/dev\/<mark>md0<\/mark> <span class=\"token parameter variable\">&#8211;fail<\/span> \/dev\/<mark>sdc<\/mark><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>mdadm: set \/dev\/sdc faulty in \/dev\/md0<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>mdadm &#8211;detail \u306e\u51fa\u529b\u3092\u78ba\u8a8d\u3059\u308b\u3068\u3001\u30c7\u30d0\u30a4\u30b9\u304c\u73fe\u5728\u6545\u969c\u3068\u30de\u30fc\u30af\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n<p>\u30c7\u30d0\u30a4\u30b9\u304c\u6545\u969c\u3057\u305f\u5834\u5408\u3001mdadm &#8211;remove\u3092\u4f7f\u7528\u3057\u3066\u914d\u5217\u304b\u3089\u53d6\u308a\u5916\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> <span class=\"token function\">mdadm<\/span> \/dev\/<mark>md0<\/mark> <span class=\"token parameter variable\">&#8211;remove<\/span> \/dev\/<mark>sdc<\/mark><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>mdadm: hot removed \/dev\/sdc from \/dev\/md0<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u305d\u308c\u304b\u3089\u3001\u30b9\u30da\u30a2\u3092\u8ffd\u52a0\u3059\u308b\u3068\u304d\u306b\u4f7f\u7528\u3059\u308b mdadm &#8211;add \u30b3\u30de\u30f3\u30c9\u3068\u540c\u3058\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3001\u65b0\u3057\u3044\u30c9\u30e9\u30a4\u30d6\u306b\u305d\u308c\u3092\u7f6e\u304d\u63db\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> <span class=\"token function\">mdadm<\/span> \/dev\/<mark>md0<\/mark> <span class=\"token parameter variable\">&#8211;add<\/span> \/dev\/<mark>sdd<\/mark><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>mdadm: added \/dev\/sdd<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u65b0\u3057\u3044\u30c9\u30e9\u30a4\u30d6\u306b\u30c7\u30fc\u30bf\u3092\u30b3\u30d4\u30fc\u3059\u308b\u3053\u3068\u3067\u3001\u914d\u5217\u306f\u56de\u5fa9\u3057\u59cb\u3081\u307e\u3059\u3002<\/p>\n<h2>\u914d\u5217\u3092\u524a\u9664\u3059\u308b<\/h2>\n<p>\u914d\u5217\u3092\u7834\u58ca\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u542b\u307e\u308c\u308b\u3059\u3079\u3066\u306e\u30c7\u30fc\u30bf\u3092\u542b\u3081\u3066\u3001\u914d\u5217\u3092\u505c\u6b62\u3055\u305b\u308b\u30d7\u30ed\u30bb\u30b9\u306b\u5f93\u3046\u3053\u3068\u304b\u3089\u59cb\u3081\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3001\u30de\u30a6\u30f3\u30c8\u3055\u308c\u305f\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u304b\u3089\u5916\u306b\u51fa\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token builtin class-name\">cd<\/span> ~<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u305d\u308c\u304b\u3089\u3001\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u3092\u30a2\u30f3\u30de\u30a6\u30f3\u30c8\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code>sudo umount <mark>\/mnt\/md0<\/mark>\r\n<\/code><\/pre>\n<p>\u6b21\u306b\u3001\u914d\u5217\u3092\u505c\u6b62\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> <span class=\"token function\">mdadm<\/span> <span class=\"token parameter variable\">&#8211;stop<\/span> \/dev\/<mark>md0<\/mark><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u305d\u306e\u5f8c\u3001RAID\u30c7\u30d0\u30a4\u30b9\u3092\u5bfe\u8c61\u3068\u3057\u3066&#8211;remove\u30b3\u30de\u30f3\u30c9\u3067\u914d\u5217\u81ea\u4f53\u3092\u524a\u9664\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> <span class=\"token function\">mdadm<\/span> <span class=\"token parameter variable\">&#8211;remove<\/span> \/dev\/<mark>md0<\/mark><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u914d\u5217\u81ea\u4f53\u304c\u524a\u9664\u3055\u308c\u305f\u3089\u3001\u5404\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u30c7\u30d0\u30a4\u30b9\u306b\u5bfe\u3057\u3066 mdadm &#8211;zero-superblock \u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u306b\u3088\u308a\u3001mdadm\u304c\u914d\u5217\u306e\u4e00\u90e8\u3068\u3057\u3066\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u30c7\u30d0\u30a4\u30b9\u3092\u7d44\u307f\u7acb\u3066\u3066\u7ba1\u7406\u3059\u308b\u305f\u3081\u306e\u30d8\u30c3\u30c0\u30fc\u3067\u3042\u308bmd\u30b9\u30fc\u30d1\u30fc\u30d6\u30ed\u30c3\u30af\u304c\u6d88\u53bb\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u304c\u307e\u3060\u5b58\u5728\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u30c7\u30a3\u30b9\u30af\u3092\u4ed6\u306e\u76ee\u7684\u3067\u518d\u5229\u7528\u3057\u3088\u3046\u3068\u3059\u308b\u969b\u306b\u554f\u984c\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>lsblk &#8211;fs\u306e\u51fa\u529b\u3067FSTYPE\u5217\u3092\u78ba\u8a8d\u3057\u3066\u3001\u30b9\u30fc\u30d1\u30fc\u30d6\u30ed\u30c3\u30af\u304c\u914d\u5217\u306b\u5b58\u5728\u3059\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\">lsblk <span class=\"token parameter variable\">&#8211;fs<\/span><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>NAME FSTYPE LABEL UUID MOUNTPOINT \u2026 sda <mark>linux_raid_member<\/mark> mdadmwrite:0 bf7a711b-b3aa-9440-40d2-c12e79824706 sdb <mark>linux_raid_member<\/mark> mdadmwrite:0 bf7a711b-b3aa-9440-40d2-c12e79824706 sdc <mark>linux_raid_member<\/mark> mdadmwrite:0 bf7a711b-b3aa-9440-40d2-c12e79824706 sdd vda \u251c\u2500vda1 ext4 DOROOT 4f8b85db-8c11-422b-83c4-c74195f67b91 \/ \u2514\u2500vda15<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001\/dev\/sda\u3001\/dev\/sdb\u3001\u304a\u3088\u3073\/dev\/sdc\u306f\u3059\u3079\u3066\u914d\u5217\u306e\u4e00\u90e8\u3067\u3042\u308a\u3001\u4eca\u3067\u3082\u305d\u308c\u3068\u3057\u3066\u30e9\u30d9\u30eb\u4ed8\u3051\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u6b21\u306e\u30b3\u30de\u30f3\u30c9\u3067\u30e9\u30d9\u30eb\u3092\u524a\u9664\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> <span class=\"token function\">mdadm<\/span> &#8211;zero-superblock \/dev\/<mark>sda<\/mark> \/dev\/<mark>sdb<\/mark> \/dev\/<mark>sdc<\/mark><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u6b21\u306b\u3001\/etc\/fstab \u30d5\u30a1\u30a4\u30eb\u4e2d\u306e\u914d\u5217\u3078\u306e\u53c2\u7167\u3092\u524a\u9664\u3059\u308b\u304b\u30b3\u30e1\u30f3\u30c8\u30a2\u30a6\u30c8\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u306f\u3001\u5148\u982d\u306b\u30cf\u30c3\u30b7\u30e5\u30bf\u30b0\u8a18\u53f7 # \u3092\u8ffd\u52a0\u3059\u308b\u3053\u3068\u3067\u884c\u3048\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> <span class=\"token function\">nano<\/span> \/etc\/fstab<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div>\u300c\/etc\/fstab\u300d\u3092\u65e5\u672c\u8a9e\u3067\u8868\u73fe\u3059\u308b\u3068\uff1f<\/div>\n<pre class=\"post-pre\"><code>. . .\r\n<mark>#<\/mark> \/dev\/md0 \/mnt\/md0 ext4 defaults,nofail,discard 0 0\r\n<\/code><\/pre>\n<p>\u4f5c\u696d\u304c\u7d42\u308f\u3063\u305f\u3089\u3001\u30d5\u30a1\u30a4\u30eb\u3092\u4fdd\u5b58\u3057\u3066\u9589\u3058\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\/etc\/mdadm\/mdadm.conf \u30d5\u30a1\u30a4\u30eb\u304b\u3089\u914d\u5217\u3078\u306e\u53c2\u7167\u3092\u524a\u9664\u307e\u305f\u306f\u30b3\u30e1\u30f3\u30c8\u30a2\u30a6\u30c8\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">nano<\/span> \/etc\/mdadm\/mdadm.conf<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div>\/etc\/mdadm\/mdadm.conf\u3092\u65e5\u672c\u8a9e\u306b\u81ea\u7136\u306b\u8a00\u3044\u63db\u3048\u308b\u3068\uff1a\u300c\/etc\/mdadm\/mdadm.conf\u30d5\u30a1\u30a4\u30eb\u300d<\/div>\n<pre class=\"post-pre\"><code><mark>#<\/mark> ARRAY \/dev\/md0 metadata=1.2 name=mdadmwrite:0 UUID=bf7a711b:b3aa9440:40d2c12e:79824706 \r\n<\/code><\/pre>\n<p>\u4f5c\u696d\u304c\u7d42\u308f\u3063\u305f\u3089\u3001\u30d5\u30a1\u30a4\u30eb\u3092\u4fdd\u5b58\u3057\u3066\u9589\u3058\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u305d\u306e\u5f8c\u3001initramfs\u3092\u66f4\u65b0\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> update-initramfs <span class=\"token parameter variable\">-u<\/span><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u65e9\u671f\u306e\u8d77\u52d5\u74b0\u5883\u304b\u3089\u3053\u306e\u30c7\u30d0\u30a4\u30b9\u3092\u524a\u9664\u3057\u307e\u3059\u3002<\/p>\n<h2>\u7d50\u8ad6<\/h2>\n<p>Linux\u306emdadm\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u306f\u3001\u5229\u7528\u65b9\u6cd5\u3068\u60c5\u5831\u304c\u898b\u3064\u304b\u308b\u5834\u6240\u306e\u6163\u4f8b\u3092\u7406\u89e3\u3059\u308c\u3070\u3001\u914d\u5217\u306e\u7ba1\u7406\u3092\u52a9\u3051\u3066\u304f\u308c\u307e\u3059\u3002\u3053\u306e\u30ac\u30a4\u30c9\u306f\u7db2\u7f85\u7684\u306a\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u65e5\u3005\u306e\u7ba1\u7406\u4f5c\u696d\u306e\u4e2d\u3067\u5fc5\u8981\u3068\u306a\u308b\u3044\u304f\u3064\u304b\u306e\u30bf\u30b9\u30af\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<p>\u4e00\u5ea6mdadm\u3092\u4f7f\u7528\u3057\u3066RAID\u30a2\u30ec\u30a4\u3092\u4f5c\u6210\u304a\u3088\u3073\u7ba1\u7406\u3059\u308b\u3053\u3068\u306b\u6163\u308c\u305f\u3089\u3001\u6b21\u306b\u63a2\u6c42\u3067\u304d\u308b\u3055\u307e\u3056\u307e\u306a\u65b9\u5411\u304c\u3042\u308a\u307e\u3059\u3002LVM\u306e\u3088\u3046\u306a\u30dc\u30ea\u30e5\u30fc\u30e0\u7ba1\u7406\u30ec\u30a4\u30e4\u306fRAID\u3068\u7dca\u5bc6\u306b\u7d71\u5408\u3055\u308c\u3066\u304a\u308a\u3001\u30b9\u30da\u30fc\u30b9\u3092\u8ad6\u7406\u30dc\u30ea\u30e5\u30fc\u30e0\u306b\u67d4\u8edf\u306b\u5206\u5272\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001\u5f53\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u300cLVM\u30b3\u30f3\u30bb\u30d7\u30c8\u5165\u9580\u300d\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u540c\u69d8\u306b\u3001RAID\u30c7\u30d0\u30a4\u30b9\u306b\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u3092\u66f8\u304d\u8fbc\u3080\u524d\u306bLUKS\u3068dm-crypt\u6697\u53f7\u5316\u304c\u4e00\u822c\u7684\u306b\u4f7f\u308f\u308c\u307e\u3059\u3002Linux\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u30b9\u30c8\u30ec\u30fc\u30b8\u306e\u6a5f\u80fd\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u306f\u3058\u3081\u306b RAID\u30a2\u30ec\u30a4\u306f\u3001\u500b\u3005\u306e\u30c7\u30a3\u30b9\u30af\u3092\u7279\u5b9a\u306e\u8a2d\u5b9a\u3067\u4eee\u60f3\u30b9\u30c8\u30ec\u30fc\u30b8\u30c7\u30d0\u30a4\u30b9\u306b\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u5197\u9577\u6027\u3092\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002Linux\u3067\u306f\u3001mdadm\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u304c\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2RAID\u30a2\u30ec\u30a4\u3092\u4f5c\u6210\u3057\u7ba1\u7406\u3057 [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[26,61],"class_list":["post-213","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-26","tag-61"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - 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