{"id":621,"date":"2010-06-09T14:00:28","date_gmt":"2010-06-09T06:00:28","guid":{"rendered":"http:\/\/www.alfredivy.per.sg\/blogger\/?p=621"},"modified":"2015-12-01T00:33:23","modified_gmt":"2015-11-30T16:33:23","slug":"a-rare-problem-hopefully","status":"publish","type":"post","link":"https:\/\/www.alfredivy.sg\/blogger\/2010\/06\/a-rare-problem-hopefully\/","title":{"rendered":"A rare problem (hopefully)."},"content":{"rendered":"<p>This is something, one hopefully will never encounter.\u00a0 A corrupted RAID\u00a0 5 stripe.<\/p>\n<p>RAID\u00a0 5 works by storing data in logical stripes (64 or 128KB) with parity across the set of harddisks.\u00a0 This is usually 3 to 6 disks.\u00a0 If any of the disks were to fail, it can be replaced and data recreated from the parity bits.<\/p>\n<p>It is also possible to have a corrupted logical stripe or punctured stripe as Dell calls it. This when the RAID controller does a hiccup. The only solution is to backup, wipe, re-create and restore.\u00a0 Yes. Ouch.<\/p>\n<p><a href=\"http:\/\/itknowledgeexchange.techtarget.com\/itanswers\/punctured-stripe-on-raid-5-array\/\" target=\"_blank\">Link<\/a>\u00a0<a href=\"http:\/\/ericgreer.info\/2007\/05\/31\/the-legend-of-the-%25e2%2580%2598punctured-stripe%25e2%2580%2599.html\" target=\"_blank\">Link<\/a><\/p>\n<p>Edit: 1 Dec 15<\/p>\n<p>Dell has released a <a href=\"https:\/\/dcse.dell.com\/SelfStudy\/Assoc_Server_Versions\/Servers_8_0\/LSI_Controllers\/patrol_read.asp\" target=\"_blank\">utility <\/a>to fix this.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Punctured RAID Stripe.<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[59],"tags":[185],"class_list":["post-621","post","type-post","status-publish","format-standard","hentry","category-servers","tag-san"],"_links":{"self":[{"href":"https:\/\/www.alfredivy.sg\/blogger\/wp-json\/wp\/v2\/posts\/621","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.alfredivy.sg\/blogger\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.alfredivy.sg\/blogger\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.alfredivy.sg\/blogger\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.alfredivy.sg\/blogger\/wp-json\/wp\/v2\/comments?post=621"}],"version-history":[{"count":5,"href":"https:\/\/www.alfredivy.sg\/blogger\/wp-json\/wp\/v2\/posts\/621\/revisions"}],"predecessor-version":[{"id":3678,"href":"https:\/\/www.alfredivy.sg\/blogger\/wp-json\/wp\/v2\/posts\/621\/revisions\/3678"}],"wp:attachment":[{"href":"https:\/\/www.alfredivy.sg\/blogger\/wp-json\/wp\/v2\/media?parent=621"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alfredivy.sg\/blogger\/wp-json\/wp\/v2\/categories?post=621"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alfredivy.sg\/blogger\/wp-json\/wp\/v2\/tags?post=621"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}