Hot spares for RAID 6 - Dell Community

You of course should have time to replace a single failed drive with RAID 6 but I always try to put a hot spare per enclosure if I can and then ... Products Solutions&Services Support Community BrowseCommunity Language EN English EN Português PT Espanol ES 简体中文 CN Français FR Deutsch DE 日本語 JA 한국어 KO Italiano IT Nederland NL SignIn Help Gethelpnow FluidFS DellCommunity : Storage : EntryLevel&MidRange : FluidFS : HotsparesforRAID6 Options SubscribetoRSSFeed MarkTopicasNew MarkTopicasRead FloatthisTopicforCurrentUser Bookmark Subscribe Mute PrinterFriendlyPage CommunityThiscategoryThisboardWikiUsers cancel Turnonsuggestions Auto-suggesthelpsyouquicklynarrowdownyoursearchresultsbysuggestingpossiblematchesasyoutype. Showingresultsfor  Searchinsteadfor  Didyoumean:  Lastreplyby khsieh 02-11-2010 Unsolved StartaDiscussion Enliven Notapplicable ‎02-08-2010 04:51AM MarkasNew Bookmark Subscribe Mute SubscribetoRSSFeed Permalink Print EmailtoaFriend ReportInappropriateContent HotsparesforRAID6 CananyonesuggesthowmanyhotsparesarerequiredforaRAID6array?CurrentintentionistoconfigureasaDASwithwith2DiskGroups-RAID6forSASDrivesandRAID6forSATADriveswiththefollowingprovisions:1XMD3000i-15XSAS1XMD1000-15XSAS1XMD1000-15XSATATIA 0 Kudos Reply AcceptasSolution Allforumtopics PreviousTopic NextTopic Replies(4) DennisSmith 4Beryllium ‎02-11-2010 08:38AM MarkasNew Bookmark Subscribe Mute SubscribetoRSSFeed Permalink Print EmailtoaFriend ReportInappropriateContent Idonotbelievethereisarequirementtohaveahotspare,butwiththatbeingsaidIwouldhavedesignateatleastonehotspareperdiskgroup. FollowMeOnTwitter 0 Kudos Reply AcceptasSolution JeffSullivan Moderator ‎02-11-2010 08:40AM MarkasNew Bookmark Subscribe Mute SubscribetoRSSFeed Permalink Print EmailtoaFriend ReportInappropriateContent Also,notethefollowingfromthesupportmatrix:http://support.dell.com/support/edocs/systems/md3000i/en/SUPPORTMATRIX/Sup_Matx.pdfSASandSATAdiskscannotbemixedinadiskgroup.Ahotspareforadiskgroupmustbeaphysicaldiskofequalorgreatersizethananyofthememberdisks.ThehotspareforadiskgroupwithSASphysicaldisksmustbeaSASdisk.(andsamefortheSATA) 0 Kudos Reply AcceptasSolution JohnnyHeavens 2Bronze ‎02-11-2010 12:18PM MarkasNew Bookmark Subscribe Mute SubscribetoRSSFeed Permalink Print EmailtoaFriend ReportInappropriateContent YouofcourseshouldhavetimetoreplaceasinglefaileddrivewithRAID6butIalwaystrytoputahotspareperenclosureifIcanandthenjustmarkthereplaceddriveasaHSfortheenclosurewhenitisreplaced.Thisofcourseworksbestifallthedrivesarethesamesizeinagivenenclosure.OneotherthingtoconsiderishavingtwoHSifyourdrivesare500GBorlargerastherebuildtimemightexceedyourcomfortlevelonthebiggerdrives. 0 Kudos Reply AcceptasSolution khsieh 2Bronze ‎02-11-2010 02:03PM MarkasNew Bookmark Subscribe Mute SubscribetoRSSFeed Permalink Print EmailtoaFriend ReportInappropriateContent Iwouldthinkthat1HSperenclosurewouldbefine,evenwith2TBdrives.WithRAID6,therearetwoparitydrives,soaRAID6groupwith1faileddrivehasthesamelevelofprotectionasahealthyRAID5group.Youwouldcertainlyhopetohaveyourarrayfinishtherebuildbeforea2nddrivefails,butthat'snotadisaster.Disasterifwhena3rddrivefailsbeforethefirstdriverebuilds,buthavingadditionalhotsparesisn'tgoingtopreventthat. 0 Kudos Reply AcceptasSolution PostReply TopContributor DellSupportResources Diagnostics&Tools Drivers&Downloads Warranty&Contracts ContactSupport ProductSupport DispatchStatus DellOfficialSupportVideos LatestSolutions