From mboxrd@z Thu Jan  1 00:00:00 1970
From: Stefan Priebe - Profihost AG <s.priebe@profihost.ag>
Subject: Re: poor OSD performance using kernel 3.4
Date: Wed, 30 May 2012 09:16:17 +0200
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To: Stefan Majer <stefan.majer@gmail.com>
Cc: Mark Nelson <mark.nelson@inktank.com>, "ceph-devel@vger.kernel.org" <ceph-devel@vger.kernel.org>

Am 30.05.2012 09:01, schrieb Stefan Majer:
> Hi Stefan,
> 
> what is your replication factor ? If it set to 2 and your osds have a
> single 1GB/sec link you never will see more than 120MB/sec i suspect
> much less because every write have to go to the same wire twice from
> each osd.
Sure - but right now i see 10MB/s with kernel 3.4 and 170MB/s with
3.0.30 using bonded 2x 1Gbit/s links.

Stefan