linux-ext4 - Re: Uneven load on my raid disks.

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Message-ID: <20101229221715.GK10149@thunk.org>
Date:	Wed, 29 Dec 2010 17:17:15 -0500
From:	Ted Ts'o <tytso@....edu>
To:	Kay Diederichs <kay.diederichs@...-konstanz.de>
Cc:	Rogier Wolff <R.E.Wolff@...Wizard.nl>, linux-ext4@...r.kernel.org
Subject: Re: Uneven load on my raid disks.

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
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