{"id":728,"date":"2019-07-21T16:41:16","date_gmt":"2019-07-21T07:41:16","guid":{"rendered":"https:\/\/www8281uo.sakura.ne.jp\/blog\/?p=728"},"modified":"2019-07-21T16:41:16","modified_gmt":"2019-07-21T07:41:16","slug":"mdadm-lvm-%e3%81%ae-raid1-%e3%82%92%e3%83%87%e3%82%a3%e3%82%b9%e3%82%af%e4%ba%a4%e6%8f%9b%e3%81%97%e3%81%a6%e5%ae%b9%e9%87%8f%e3%82%92%e5%a2%97%e3%82%84%e3%81%99","status":"publish","type":"post","link":"https:\/\/www8281uo.sakura.ne.jp\/blog\/?p=728","title":{"rendered":"mdadm + LVM \u306e RAID1 \u3092\u30c7\u30a3\u30b9\u30af\u4ea4\u63db\u3057\u3066\u5bb9\u91cf\u3092\u5897\u3084\u3059"},"content":{"rendered":"<h1>\u6982\u8981<\/h1>\n<p>3 TB HDD \u00d7 2 \u3067\u69cb\u7bc9\u3057\u3066\u3044\u305f RAID1 \u3092 8 TB HDD \u00d7 2 \u306b\u4ea4\u63db\u3057\u305f\u8a18\u9332\u3002<\/p>\n<h1>\u524d\u63d0\u3068\u4f5c\u696d\u5185\u5bb9<\/h1>\n<p>\u4eca\u56de\u306f\u3001\/dev\/sdb1 \u3068 \/dev\/sdc1 \u306e\uff12\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u3067 RAID1 (\/dev\/md0) \u3092\u69cb\u6210\u3057\u3066\u3044\u308b\u524d\u63d0\u3002<br \/>\n\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u306f XFS \u3092\u4f7f\u7528\u3002<\/p>\n<p>\u624b\u9806\u3068\u3057\u3066\u306f\u3001RAID \u518d\u69cb\u7bc9 \u2192 RAID \u62e1\u5f35 \u2192 LVM \u62e1\u5f35 \u2192 \u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u62e1\u5f35\u306e\uff14\u30b9\u30c6\u30c3\u30d7\u3002<\/p>\n<p>8 TB \u306e\u30c9\u30e9\u30a4\u30d6\u306e\u4f7f\u3044\u65b9\u3068\u3057\u3066\u3001 3 TB + 5 TB \u306b\u5206\u3051\u3066\uff12\u3064\u306e RAID1 \u3092\u4f5c\u6210\u3057\u3066 LVM \u3067\u307e\u3068\u3081\u308b\u3053\u3068\u3082\u3067\u304d\u308b\u3051\u3069\u3001\u4eca\u56de\u306f 8 TB \u306e\u5927\u304d\u306a\u30a2\u30ec\u30a4\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u306b\u3057\u305f\u3002<\/p>\n<h1>\u624b\u9806<\/h1>\n<h2>\uff11\uff0e\u30c7\u30a3\u30b9\u30af\u4ea4\u63db<\/h2>\n<h3>\uff11\uff0d\uff11\uff0e\uff11\u672c\u76ee\u306e\u30c7\u30a3\u30b9\u30af\u3092\u6545\u969c\u72b6\u614b\u306b\u3057\u3066 RAID \u304b\u3089\u5916\u3059<\/h3>\n<pre># mdadm \/dev\/md0 --fail \/dev\/sdb1\n# mdadm \/dev\/md0 --remove \/dev\/sdb1\n# shutdown -h now<\/pre>\n<h3>\uff11\uff0d\uff12\uff0e\u7269\u7406\u7684\u306b\uff11\u672c\u76ee\u306e\u30c7\u30a3\u30b9\u30af\u3092\u4ea4\u63db<\/h3>\n<h3>\uff11\uff0d\uff13\uff0e\uff11\u672c\u76ee\u306e\u30c7\u30a3\u30b9\u30af\u306e\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u4f5c\u6210<\/h3>\n<p>\u4eca\u56de\u306f 8TB \u5168\u4f53\u3092\u4f7f\u3046\uff11\u306e\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3 (\/dev\/sdb1) \u3092\u4f5c\u3063\u305f\u3002<br \/>\n\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u306e\u30bf\u30a4\u30d7\u306f Linux RAID (29) \u3092\u6307\u5b9a\u3059\u308b\u3002<\/p>\n<pre># fdisk \/dev\/sdb<\/pre>\n<h3>\uff11\uff0d\uff14\uff0e\uff11\u672c\u76ee\u306e\u540c\u671f<\/h3>\n<p>3 TB \u9818\u57df\u3092\u540c\u671f\u3059\u308b\u3002\u5927\u4f53\uff15\u6642\u9593\u304b\u304b\u3063\u305f\u3002<\/p>\n<pre># mdadm \/dev\/md0 --add \/dev\/sdb1<\/pre>\n<h3>\uff11\uff0d\uff15\uff0e\uff12\u672c\u76ee\u306e\u30c7\u30a3\u30b9\u30af\u3092\u6545\u969c\u72b6\u614b\u306b\u3057\u3066 RAID \u304b\u3089\u5916\u3059<\/h3>\n<pre># mdadm \/dev\/md0 --fail \/dev\/sdc1\n# mdadm \/dev\/md0 --remove \/dev\/sdc1\n# shutdown -h now<\/pre>\n<h3>\uff11\uff0d\uff16\uff0e\u7269\u7406\u7684\u306b\uff12\u672c\u76ee\u306e\u30c7\u30a3\u30b9\u30af\u3092\u4ea4\u63db<\/h3>\n<h3>\uff11\uff0d\uff17\uff0e\uff12\u672c\u76ee\u306e\u30c7\u30a3\u30b9\u30af\u306e\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u4f5c\u6210<\/h3>\n<pre># fdisk \/dev\/sdc<\/pre>\n<h3>\uff11\uff0d\uff18\uff0e\uff12\u672c\u76ee\u306e\u540c\u671f<\/h3>\n<pre># mdadm \/dev\/md0 --add \/dev\/sdc1<\/pre>\n<h2>\uff12\uff0eRAID \u9818\u57df\u306e\u62e1\u5f35<\/h2>\n<p>\u3053\u306e\u307e\u307e\u3060\u3068\u524d\u306e\u5bb9\u91cf\u306e 3 TB \u3057\u304b\u4f7f\u3048\u306a\u3044\u306e\u3067\u3001RAID \u9818\u57df\u3092\u62e1\u5f35\u3059\u308b\u3002<br \/>\n\u6b8b\u308a\u306e 5 TB \u5206\u306e\u540c\u671f\u306b\uff18\u6642\u9593\u307b\u3069\u304b\u304b\u3063\u305f\u3002<br \/>\nRAID1 \u306a\u306e\u3067\u3001 <code>--assume-clean<\/code>&nbsp;\u3057\u3066\u3082\u826f\u304b\u3063\u305f\u3068\u601d\u3046\u3051\u3069\u3001\u4eca\u56de\u306f\u540c\u671f\u3057\u3066\u304a\u3044\u305f\u3002<\/p>\n<pre># mdadm --grow \/dev\/md0 -z max<\/pre>\n<h2>\uff13\uff0eLVM \u306e\u62e1\u5f35<\/h2>\n<p>Physical Volume \u306e\u62e1\u5f35<\/p>\n<pre># pvresize \/dev\/md0<\/pre>\n<p>LV \u306b\u8a2d\u5b9a\u3059\u308b PE \u6570\u306e\u78ba\u8a8d\uff08Total PE\uff09<\/p>\n<pre># pvdisplay<\/pre>\n<p>LV \u306e\u62e1\u5f35<\/p>\n<pre># lvextend -l [PE\u6570] [LV path]<\/pre>\n<h2>\uff14\uff0e\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u306e\u62e1\u5f35<\/h2>\n<pre># xfs_growfs [\u30de\u30a6\u30f3\u30c8\u30dd\u30a4\u30f3\u30c8]<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u6982\u8981 3 TB HDD \u00d7 2 \u3067\u69cb\u7bc9\u3057\u3066\u3044\u305f RAID1 \u3092 8 TB HDD \u00d7 2 \u306b\u4ea4\u63db\u3057\u305f\u8a18\u9332\u3002 \u524d\u63d0\u3068\u4f5c\u696d\u5185\u5bb9 \u4eca\u56de\u306f\u3001\/dev\/sdb1 \u3068 \/dev\/sdc1 \u306e\uff12\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u3067 RAID1 (\/dev [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[2,3],"tags":[],"class_list":["post-728","post","type-post","status-publish","format-standard","hentry","category-gadgets","category-linux"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www8281uo.sakura.ne.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/728","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www8281uo.sakura.ne.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www8281uo.sakura.ne.jp\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www8281uo.sakura.ne.jp\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www8281uo.sakura.ne.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=728"}],"version-history":[{"count":0,"href":"https:\/\/www8281uo.sakura.ne.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/728\/revisions"}],"wp:attachment":[{"href":"https:\/\/www8281uo.sakura.ne.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=728"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www8281uo.sakura.ne.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=728"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www8281uo.sakura.ne.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=728"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}