[Beowulf] Any recommendations for a good JBOD?
gerry.creager at tamu.edu
Thu Feb 18 15:15:45 EST 2010
Friends don't let friends use Adaptec controllers if they really want RAID.
Michael Will wrote:
> Often a jbod is just sas/sata attached, and the real controller is in
> the host that attaches to it. It could then be a hardware raid controller
> from adaptec, or one of the very fast lsi sas/sata hca's which you could
> then use with software raid and/or LVM...
> -----Original Message-----
> From: beowulf-bounces at beowulf.org on behalf of Rahul Nabar
> Sent: Thu 2/18/2010 11:00 AM
> To: gerry.creager at tamu.edu
> Cc: Beowulf Mailing List
> Subject: Re: [Beowulf] Any recommendations for a good JBOD?
> On Thu, Feb 18, 2010 at 12:12 PM, Gerald Creager
> <gerry.creager at tamu.edu> wrote:
> > For what you're describing, I'd consider CoRAID's AoE technology and
> > and use their RAID6 capability. Otherwise, get yourself a box with up
> to 8
> > slots, preferably with hot-swap capability, and forge ahead.
> Thanks Gerry! That one looks promising.
> One thing that always confuses me:
> Let's say I do software RAID. So just buy a JBOD device. It still has
> some "controller" on it, correct? Is the quality of this controller
> very critical or not so much? And if a unit advertises itself as
> Hardware RAID can I still use it as JBOD mode? There seems more hits
> for "RAID" out there than for "JBOD". Maybe I am looking up the wrong
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Gerry Creager -- gerry.creager at tamu.edu
Texas Mesonet -- AATLT, Texas A&M University
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