From: Brendan Conoboy <blc@redhat.com>
To: Franck Routier <franck.routier@axege.com>
Cc: linux-raid@vger.kernel.org
Subject: Re: 2x6 or 3x4 raid10 arrays ?
Date: Thu, 28 Feb 2008 09:54:03 -0700 [thread overview]
Message-ID: <47C6E72B.6060402@redhat.com> (raw)
In-Reply-To: <1204195554.16924.16.camel@franck-gusty>
Franck Routier wrote:
> I am under the impression that I will get better results with requests
> spread over 3 less effective arrays rather than two slightly more effive
> one.
Depends on your workload. If you use a larger chunk size, regardless of
raid layout, you can try to get each db transaction to only hit one
spindle. Seek time being a limiting factor, this may scale better when
you have dozens of simultaneous requests.
--
Brendan Conoboy / Red Hat, Inc. / blc@redhat.com
next prev parent reply other threads:[~2008-02-28 16:54 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-02-28 10:45 2x6 or 3x4 raid10 arrays ? Franck Routier
2008-02-28 11:22 ` Tim Southerwood
2008-02-28 16:54 ` Brendan Conoboy [this message]
2008-02-28 18:25 ` Janek Kozicki
2008-02-28 20:53 ` Janek Kozicki
2008-02-28 21:04 ` Brendan Conoboy
2008-03-01 20:07 ` Bill Davidsen
2008-03-01 20:55 ` Keld Jørn Simonsen
2008-02-28 22:36 ` Nat Makarevitch
2008-03-01 20:40 ` Keld Jørn Simonsen
2008-03-01 21:10 ` Keld Jørn Simonsen
2008-03-01 22:05 ` Nat Makarevitch
2008-03-02 0:30 ` Keld Jørn Simonsen
2008-03-02 9:00 ` Nat Makarevitch
2008-03-01 20:18 ` Bill Davidsen
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