{"id":3664,"date":"2011-04-20T21:38:40","date_gmt":"2011-04-20T20:38:40","guid":{"rendered":"http:\/\/ww.sd.vc\/wp\/?p=3664"},"modified":"2011-04-20T21:39:54","modified_gmt":"2011-04-20T20:39:54","slug":"mdadm-faulty-spare","status":"publish","type":"post","link":"https:\/\/ww.sd.vc\/wp\/2011\/04\/20\/mdadm-faulty-spare\/","title":{"rendered":"mdadm: faulty spare"},"content":{"rendered":"<p>mehr notiz fuer mich selbst:<\/p>\n<p>ein kaputtes software raid unter linux sieht so aus (bzw. kann so aussehen):<br \/>\n(in diesem fall &#8220;faulty spare&#8221; ganz unten)<\/p>\n<pre lang=\"bash\" line=\"0\">~# mdadm -D \/dev\/md0\r\n\/dev\/md0:\r\n[..]\r\n    Number   Major   Minor   RaidDevice State\r\n       0       0        0        0      removed\r\n       1       8       18        1      active sync   \/dev\/sdb2\r\n\r\n       2       8        2        -      faulty spare   \/dev\/sda2\r\n<\/pre>\n<p>die platte einfach mal wieder einfuegen geht nicht:<\/p>\n<pre lang=\"bash\" line=\"0\">\r\nmdadm --add \/dev\/md0 \/dev\/sda2\r\n<\/pre>\n<p>bringt naemlich diese meldung:<\/p>\n<pre lang=\"bash\" line=\"0\">\r\nmdadm: Cannot open \/dev\/sda2: Device or resource busy\r\n<\/pre>\n<p>also erst raus damit:<\/p>\n<pre lang=\"bash\" line=\"0\">\r\nmdadm \/dev\/md0 --remove \/dev\/sda2\r\n<\/pre>\n<p>und dann wieder einhaengen:<\/p>\n<pre lang=\"bash\" line=\"0\">\r\nmdadm --verbose --add \/dev\/md0 \/dev\/sda2\r\n<\/pre>\n<p>schwups.. geht:<\/p>\n<pre lang=\"bash\" line=\"0\">\r\nmdadm: re-added \/dev\/sda2\r\n<\/pre>\n<pre lang=\"bash\" line=\"0\">\r\ncat \/proc\/mdstat \r\nPersonalities : [raid1] \r\nmd0 : active raid1 sda2[2] sdb2[1]\r\n      243159744 blocks [2\/1] [_U]\r\n      [>....................]  recovery =  0.3% (936448\/243159744)\r\n    finish=286.7min speed=14078K\/sec\r\n<\/pre>\n<p>die platte ist natuerlich trotzdem hin und muss getauscht werden.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>mehr notiz fuer mich selbst: ein kaputtes software raid unter linux sieht so aus (bzw. kann so aussehen): (in diesem fall &#8220;faulty spare&#8221; ganz unten)&#8230;<\/p>\n","protected":false},"author":855,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[18,28],"class_list":["post-3664","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-linux","tag-software","wpcat-1-id"],"_links":{"self":[{"href":"https:\/\/ww.sd.vc\/wp\/wp-json\/wp\/v2\/posts\/3664","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ww.sd.vc\/wp\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ww.sd.vc\/wp\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ww.sd.vc\/wp\/wp-json\/wp\/v2\/users\/855"}],"replies":[{"embeddable":true,"href":"https:\/\/ww.sd.vc\/wp\/wp-json\/wp\/v2\/comments?post=3664"}],"version-history":[{"count":0,"href":"https:\/\/ww.sd.vc\/wp\/wp-json\/wp\/v2\/posts\/3664\/revisions"}],"wp:attachment":[{"href":"https:\/\/ww.sd.vc\/wp\/wp-json\/wp\/v2\/media?parent=3664"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ww.sd.vc\/wp\/wp-json\/wp\/v2\/categories?post=3664"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ww.sd.vc\/wp\/wp-json\/wp\/v2\/tags?post=3664"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}