Re: [PATCH 0/3] target: Fixes for COMPARE_AND_WRITE backend I/O failure cases

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On Thu, 2013-10-03 at 13:38 +0200, Thomas Glanzmann wrote:
> Hallo Nab,
> 
> > Please let me know if you encounter any issues, and a patch to address
> > this bit should be along in the next 24-48 hours.
> 
> I just did a little bit of stress testing:
> 
>         - Rescan from 12 Initiators at the same time - PASS
>         - Deployed 24 VMs over 12 Initiators at the same time 200 MB/s
>           frontend traffic - PASS
>         - Booted 24 VMs on 12 ESX servers at the same time - 120 MB/s
>           frontend traffic - PASS
>         - Did 24 svMotion at the same time - 400 MB/s backend traffic -
>           10 MB/s frontend traffic using XCOPY. - PASS
>         - Unloaded the target in production, ran 'grep se_tmr
>           /proc/slabinfo' and loaded it again. And made sure that the
>           VMs continued to run. - PASS
> 
> It looks pretty stable to me. I'll use it next week in a class and
> report back if I had any issues whatsoever. This was with:
> 
> v3.12-rc3-4-g8a77fe9
> 

Excellent, thanks for the additional testing feedback.  :-)

Btw, the tag starvation regression mentioned in the last mail only seems
to be triggered on 10 Gb/sec links, and the patches that I'm testing now
seem to address this issue.

These patches will be going out to the list later today, and I'd very
much appreciate if you could include these in your ESX client testing.

Thanks again!

--nab

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