Re: Recent changes

[Jens Axboe <jens.axboe@oracle.com>]

On Mon, Apr 20 2009, Girish Satihal wrote:
> 
> Hi Jens,
> This build is the latest build after version 1.24. This build was the
> outcome of the request for adding blockalign/ba option. Can you please
> help in resolving this issue of sequential writes on ext3 file system?

I'd love to help you, but you have to help me a bit as well. I asked you
for a job file that reproduces the problem. If you can send me such a
job file (preferably cut down to just a single section that exhibits the
problem), then I can probably find the error quickly.

> 
> Thanks,
> Girish 
> 
> 
> --- On Sat, 4/18/09, Jens Axboe <jens.axboe@oracle.com> wrote:
> 
> > From: Jens Axboe <jens.axboe@oracle.com>
> > Subject: Re: Recent changes
> > To: "Girish Satihal" <girish.satihal@yahoo.com>
> > Cc: fio@vger.kernel.org
> > Date: Saturday, April 18, 2009, 11:18 PM
> > On Fri, Apr 17 2009, Girish Satihal wrote:
> > > Hi Jens,
> > > I am seeing a serious problem with fio testing. I
> > tried running fio
> > > test on ext3 partition with Sequential Reads and
> > Writes. I keep
> > > getting the I/O write error for Sequential writes. I
> > tried with
> > > multiple servers with different controllers and I
> > still get the same
> > > error. With Sequential Reads and Random Reads/Writes
> > there is no issue
> > > seen. Please find the attached fio results file for
> > Sequential
> > > Reads/Writes which has the error details pertaining to
> > Sequential
> > > writes on ext3 file system. Thanks, Girish
> > 
> > That's pretty strange. Your test job(s) seem pretty
> > massive, you don't
> > happen to have a cut down version that exhibits the
> > problem?
> > 
> > There also seems to be parts of the error missing from
> > io_u_log_error(),
> > like the file associated with the error and the io_u
> > details (offset=
> > and buflen=, for instance).
> > 
> > What version of fio are you using?
> > 
> > -- 
> > Jens Axboe
> > 
> > --
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> 
> 
>       

-- 
Jens Axboe