[CentOS] [OT/HW] hardware raid -- comment/experience with 3Ware
Keith Keller
kkeller at wombat.san-francisco.ca.usTue Mar 12 18:31:12 UTC 2013
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On 2013-03-12, Arun Khan <knura9 at gmail.com> wrote: > > Software RAID is an option but I don't think hot swap is possible > without some tinkering with the mdadm tool a priori. Hot-swapping a failed drive is basically the same process AFAICT with a 3ware array or an md array. The primary issue would be to make sure the controller supports hot swap, and how you tell it to release a drive from the kernel (a la tw_cli /cx/px remove). And if you have one or two spares on a modest array then you can schedule site visits around your own schedule if a drive fails--either a hardware RAID or linux md will automatically rebuild with a spare when an active drive is marked as failed. Did you have other concerns about hot swapping? I may be confusing what you're hoping to do. --keith -- kkeller at wombat.san-francisco.ca.us
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