From mboxrd@z Thu Jan  1 00:00:00 1970
From: =?ISO-8859-1?Q?Kristleifur_Da=F0ason?= <kristleifur@gmail.com>
Subject: Re: unbelievably bad performance: 2.6.27.37 and raid6
Date: Sun, 1 Nov 2009 15:17:50 +0800
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On Sat, Oct 31, 2009 at 11:55 PM, Jon Nelson
<jnelson-linux-raid@jamponi.net> wrote:
>
> I have a 4 disk raid6. The disks are individually capable of (at
> least) 75MB/s on average.
> [...]
>
> While rsyncing a file from an ext3 filesystem to a jfs filesystem, I
> am observing speeds in the 10-15MB/s range.
> That seems really really slow.

Hi,
Is the system unresponsive and laggy while you're doing this copy?