[CentOS] RAID card selection - JBOD mode / Linux RAID

Thu Jul 19 15:22:43 UTC 2012
Dean Jones <dean.jones at oregonstate.edu>

Look at ZFS information and lists.  ZFS prefers JBOD and raw drive
access, so there is plenty of information out there about which
controllers work best that way.

LSI 9211-8i being one of the more popular ones.

On Thu, Jul 19, 2012 at 5:21 AM, Alan McKay <alan.mckay at gmail.com> wrote:
> On Wed, Jul 18, 2012 at 6:44 PM, SilverTip257 <silvertip257 at gmail.com> wrote:
>> That's going to really drag if you have to configure a RAID0 for all
>> 48 disks ... it'd be much easier if you could directly communicate
>> with the drives.  I've set up at most five or six RAID0 devices on one
>> host and it's not particularly enjoyable!
> Well using the command line tools it is not bad at all - but my
> question remains unanswered - how many logical devices can your card
> have?  I've hit my limit at 24 but I have 48 drives.  So I need to
> find a card that can do 48 logical devices.
> thanks
> --
> “Don't eat anything you've ever seen advertised on TV”
>          - Michael Pollan, author of "In Defense of Food"
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