From: Ted Ts'o <tytso@mit.edu>
To: Kay Diederichs <kay.diederichs@uni-konstanz.de>
Cc: Rogier Wolff <R.E.Wolff@BitWizard.nl>, linux-ext4@vger.kernel.org
Subject: Re: Uneven load on my raid disks.
Date: Wed, 29 Dec 2010 17:17:15 -0500 [thread overview]
Message-ID: <20101229221715.GK10149@thunk.org> (raw)
In-Reply-To: <4D1B646C.8030100@uni-konstanz.de>
On Wed, Dec 29, 2010 at 05:40:12PM +0100, Kay Diederichs wrote:
> >says: dumpe2fs -h /dev/md0 | grep RAID
>
> % tune2fs -l /dev/md0
>
> ...
> RAID stride: 128
> RAID stripe width: 768
> ...
>
> runs much faster than dumpe2fs.
> The command can also adjust the values.
Actually, "tune2fs -l" and "dumpe2fs -h" both run in about the same
amount of time. dumpe2fs without the -h option runs slower than
tune2fs -l, true. But that's because it reads and prints out
information regarding the block and inode allocation bitmaps.
- Ted
next prev parent reply other threads:[~2010-12-29 22:17 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
2010-12-29 16:40 ` Kay Diederichs
2010-12-29 22:17 ` Ted Ts'o [this message]
2010-12-30 10:32 ` Rogier Wolff
2011-01-03 17:18 ` Eric Sandeen
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