From: Rogier Wolff <R.E.Wolff@BitWizard.nl>
To: Rogier Wolff <R.E.Wolff@BitWizard.nl>
Cc: linux-ext4@vger.kernel.org
Subject: Re: Uneven load on my raid disks.
Date: Tue, 28 Dec 2010 10:18:25 +0100 [thread overview]
Message-ID: <20101228091825.GC1351@bitwizard.nl> (raw)
In-Reply-To: <20101228090749.GB1351@bitwizard.nl>
On Tue, Dec 28, 2010 at 10:07:49AM +0100, Rogier Wolff wrote:
> dumpe2fs without -h takes a long time. I just stopped all rm processes
> and now only dumpe2fs is running. It seems to be causing about 10times
> more load on sdb than on the other drives. strace shows that it is in
> a loop where it seeks/reads. It is alternating reads of 4k and 280
> bytes.
OK. I did this wrong: there were also other things running. Whatever
dumpe2fs is doing distributes nicely over the four disks.
Roger.
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next prev parent reply other threads:[~2010-12-28 9:18 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-28 9:07 Uneven load on my raid disks Rogier Wolff
2010-12-28 9:18 ` Rogier Wolff [this message]
2010-12-29 16:40 ` Kay Diederichs
2010-12-29 22:17 ` Ted Ts'o
2010-12-30 10:32 ` Rogier Wolff
2011-01-03 17:18 ` Eric Sandeen
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