From: "Keld Jørn Simonsen" <keld@dkuug.dk>
To: Christian Pernegger <pernegger@gmail.com>
Cc: Linux RAID <linux-raid@vger.kernel.org>
Subject: Re: raid10 vs raid5 - strange performance
Date: Wed, 26 Mar 2008 00:36:49 +0100 [thread overview]
Message-ID: <20080325233649.GA632@rap.rap.dk> (raw)
In-Reply-To: <bb145bd20803251433q1018703cva56ea20e9bedf3c6@mail.gmail.com>
On Tue, Mar 25, 2008 at 10:33:06PM +0100, Christian Pernegger wrote:
> I did a few tests of raid10 on an old 3ware 7506-8 today (using 6
> drives), both with the built-in raid 10 and md's n2 and chunk sizes
> from 64KB to 1024KB.
> - caches dropped before each test
> - averages of three runs
> - arrays in synced state
> - dd tests: 6GB (3MB bs)
What are the specifics for the raid10? Which layout? How many copies?
Best regards
keld
next prev parent reply other threads:[~2008-03-25 23:36 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-25 21:33 raid10 vs raid5 - strange performance Christian Pernegger
2008-03-25 22:13 ` David Rees
2008-03-25 22:56 ` Christian Pernegger
2008-03-26 16:29 ` Bill Davidsen
2008-03-26 17:10 ` Christian Pernegger
2008-03-26 17:49 ` Keld Jørn Simonsen
2008-03-25 23:36 ` Keld Jørn Simonsen [this message]
[not found] ` <bb145bd20803251837x7ef1fa9dk6191fcaea7b02144@mail.gmail.com>
[not found] ` <20080326072416.GA8674@rap.rap.dk>
2008-03-26 17:16 ` Christian Pernegger
2008-03-26 19:29 ` Keld Jørn Simonsen
2008-03-27 1:11 ` Christian Pernegger
2008-03-27 9:18 ` Keld Jørn Simonsen
[not found] ` <47EAACAB.7070203@tmr.com>
2008-03-27 2:02 ` Christian Pernegger
2008-03-29 20:25 ` Bill Davidsen
2008-03-29 21:26 ` Iustin Pop
2008-03-30 8:55 ` Keld Jørn Simonsen
2008-03-30 9:34 ` Keld Jørn Simonsen
2008-03-30 11:16 ` Peter Grandi
2008-03-30 12:58 ` Keld Jørn Simonsen
2008-03-30 14:21 ` Keld Jørn Simonsen
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