linux-kernel - Re: FSX on NFS blew up.

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Message-ID: <452444EF.8050406@us.ibm.com>
Date:	Wed, 04 Oct 2006 16:34:07 -0700
From:	Badari Pulavarty <pbadari@...ibm.com>
To:	Dave Jones <davej@...hat.com>,
	Badari Pulavarty <pbadari@...ibm.com>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	Trond Myklebust <trond.myklebust@....uio.no>
Subject: Re: FSX on NFS blew up.

Dave Jones wrote:
> On Tue, Oct 03, 2006 at 05:46:10PM -0700, Badari Pulavarty wrote:
>  > On Tue, 2006-10-03 at 20:40 -0400, Dave Jones wrote:
>  > > On Tue, Oct 03, 2006 at 05:34:44PM -0700, Badari Pulavarty wrote:
>  > >  > On Tue, 2006-10-03 at 12:49 -0400, Dave Jones wrote:
>  > >  > > Took ~8hrs to hit this on an NFSv3 mount. (2.6.18+Jan Kara's jbd patch)
>  > >  > > 
>  > >  > > http://www.codemonkey.org.uk/junk/fsx-nfs.txt
>  > >  > 
>  > >  > I was seeing *similar* problem on NFS mounted filesystem (while running
>  > >  > fsx), but later realized that filesystem is full - when it happend.
>  > >  > 
>  > >  > Could be fsx error handling problem ? Can you check yours ?
>  > > 
>  > > It's running low, but there's no way it ran out. (It's down to about 4GB free).
>  > > 
>  > > 	Dave 
>  > >  
>  > 
>  > Okay... Looking at your log
>  > 
>  > > Size error: expected 0x2b804 stat 0x37000 seek 0x37000
>  > 
>  > filesize doesn't match. So wondering, if you have a write
>  > failure or filesystem full case.
>
> The server didn't report anything nasty in its logs, and *touch wood*
> hasn't had any hardware problems to date.
>   
FWIW, On 2.6.18-mm3 I ran (4-copies) fsx on NFS mount for 24 hours
without any issues. I do see segfaults and errors when the filesystem is 
full -
those are mostly fsx error handling issues.

Thanks,
Badari

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