Re: ext4: (2.6.34-rc4): This should not happen!! Data will be lost

[Andre Noll <maan@systemlinux.org>]

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On 18:55, Bernd Schubert wrote:
> > > To update the default timeout value (30 seconds) for commands
> > > submitted to /dev/sdn to 60 seconds:
> > >
> > >         $ echo 60 > /sys/block/sdn/device/timeout
> > 
> > I will re-run the stress test with a 60 seconds timeout value and follow
> > up if this did not help.
> 
> That will not help if the command is "SYNCHRONIZE_CACHE", as that ignores 
> device settings, but uses scsi default timeout (30s), which is far too small 
> for SATA based raid units. Scsi maintainers ignored that and a couple of other 
> patches I wrote to improve error handling with Infortrend units. Will send the 
> patches again soon.

Please CC me when you do so. The machine I am having trouble with is
only our fallback server. I can use it freely for testing and am willing
to give your patches a try.

Thanks
Andre
-- 
The only person who always got his work done by Friday was Robinson Crusoe

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