To: linux-kernel@vger.kernel.org
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From: Bill Davidsen <davidsen@tmr.com>
Newsgroups: mail.linux-kernel
Subject: Re: Major XFS problems...
Date: Wed, 08 Sep 2004 15:06:32 -0400
Organization: TMR Associates, Inc
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Greg Banks wrote:
> On Thu, 2004-09-09 at 01:44, Jakob Oestergaard wrote:
> 
>>SMP systems on 2.6 have a problem with XFS+NFS.
> 
> 
> Knfsd threads in 2.6 are no longer serialised by the BKL, and the
> change has exposed a number of SMP issues in the dcache.  Try the
> two patches at
> 
> http://marc.theaimsgroup.com/?l=linux-kernel&m=108330112505555&w=2
> 
> and
> 
> http://linus.bkbits.net:8080/linux-2.5/cset@1.1722.48.23
> 
> (the latter is in recent Linus kernels).  If you're still having
> problems after applying those patches, Nathan and I need to know.

Do I read you right that this is an SMP issue and that the NFS, quota, 
backup and all that are not relevant? I will pass on the patches you 
supplied to someone who is having similar problems with no NFS and no 
quota, a TB of storage which gets beaten without mercy 24x4.5 and which 
has been having issues as load has gone up.

-- 
    -bill davidsen (davidsen@tmr.com)
"The secret to procrastination is to put things off until the
  last possible moment - but no longer"  -me
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