From: Peter Rabbitson <rabbit@rabbit.us>
To: Justin Piszcz <jpiszcz@lucidpixels.com>
Cc: linux-raid@vger.kernel.org, xfs@oss.sgi.com,
Alan Piszcz <ap@solarrain.com>
Subject: Re: Fastest Chunk Size w/XFS For MD Software RAID = 1024k
Date: Thu, 28 Jun 2007 10:24:54 +0200 [thread overview]
Message-ID: <46837056.4050306@rabbit.us> (raw)
In-Reply-To: <Pine.LNX.4.64.0706280406520.1406@p34.internal.lan>
Justin Piszcz wrote:
> mdadm --create \
> --verbose /dev/md3 \
> --level=5 \
> --raid-devices=10 \
> --chunk=1024 \
> --force \
> --run
> /dev/sd[cdefghijkl]1
>
> Justin.
Interesting, I came up with the same results (1M chunk being superior)
with a completely different raid set with XFS on top:
mdadm --create \
--level=10 \
--chunk=1024 \
--raid-devices=4 \
--layout=f3 \
...
Could it be attributed to XFS itself?
Peter
next prev parent reply other threads:[~2007-06-28 8:24 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-27 23:20 Fastest Chunk Size w/XFS For MD Software RAID = 1024k Justin Piszcz
2007-06-27 23:20 ` Justin Piszcz
2007-06-27 23:24 ` Justin Piszcz
2007-06-28 5:08 ` David Chinner
2007-06-28 7:53 ` David Greaves
2007-06-28 8:07 ` Justin Piszcz
2007-06-28 3:43 ` Peter Rabbitson
2007-06-28 8:07 ` Justin Piszcz
2007-06-28 8:24 ` Peter Rabbitson [this message]
2007-06-28 8:27 ` Justin Piszcz
2007-06-28 8:36 ` Peter Rabbitson
2007-06-28 8:38 ` Justin Piszcz
2007-07-03 4:23 ` Mr. James W. Laferriere
2007-07-03 8:42 ` Justin Piszcz
2007-06-28 8:42 ` Justin Piszcz
2007-06-28 8:46 ` Justin Piszcz
2007-06-28 22:05 ` David Chinner
2007-06-28 9:05 ` Matti Aarnio
2007-06-28 11:19 ` Justin Piszcz
2007-06-28 13:27 ` Jon Nelson
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