From: Jan-Frode Myklebust <Jan-Frode.Myklebust@bccs.uib.no>
To: Harry Mangalam <hjm@tacgi.com>
Cc: linux-raid@vger.kernel.org, linux-xfs@oss.sgi.com
Subject: Re: 3ware + RAID5 + xfs performance
Date: Wed, 27 Jul 2005 19:36:29 +0200 [thread overview]
Message-ID: <20050727173629.GA14879@ii.uib.no> (raw)
In-Reply-To: <200507270915.32011.hjm@tacgi.com>
On Wed, Jul 27, 2005 at 09:15:31AM -0700, Harry Mangalam wrote:
> That's very impressive! How many config iterations did you have to do to get
> this perf?
Not too many I think.. only tried a few tunings of stripe-unit in the
3ware CLI, and scratched my heads a few times to try to understand the
mkfs.xfs sunit/swidth-options..
>
> I'd certainly consider GPFS but I was under the impression that it was only
> available for IBM-branded Linux boxes w/ customized kernels. Can you buy it
> a la carte?
Yes, and maybe even for free from the IBM Scholars programme if you
qualify. But yes, it does require a couple of "GPFS" kernel modules,
which will typically only build for vendor kernels (i.e. not keeping
up with the latest kernel.org releases). We're running a RHEL-3 clone,
so that's not been a problem for us so far.
-jf
next prev parent reply other threads:[~2005-07-27 17:36 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-07-26 1:11 3ware + RAID5 + xfs performance Gaspar Bakos
2005-07-26 4:34 ` Harry Mangalam
2005-07-27 9:21 ` Jan-Frode Myklebust
2005-07-27 16:15 ` Harry Mangalam
2005-07-27 17:36 ` Jan-Frode Myklebust [this message]
2005-07-27 18:04 ` Mikael Abrahamsson
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