[sheepdog-users] Stability problems with kvm using a remote sheepdog volume

David Douard david.douard at gmail.com
Sat Jun 9 15:43:48 CEST 2012

On 09/06/2012 12:39, David Douard wrote:
> On 08/06/2012 16:48, MORITA Kazutaka wrote:
>> On Fri, Jun 8, 2012 at 9:41 PM, David Douard <david.douard at logilab.fr> wrote:
>>> Hi,
>>> I still have very serious stability problems with kvm when using remote
>>> sheepdog access.
>>> I filles a bug on github about this:
>>>  https://github.com/collie/sheepdog/issues/26
>>> Are there any other people having similar problems? What can I do to
>>> identify the problem and try to fix it?
>> Hi David,
> Hi,
>> I'm working on fixing a race condition in the qemu sheepdog block driver.
>> I guess you are hitting the same problem.  I've pushed some half baked fixes to
>>   git://github.com/kazum/qemu.git
>> Can you try this tree?
> I will.

I am currently testing it. For now, the results are very encouraging. No
segfault for now, while running bonnie++ and pgbench tests.

If the fix is validated by reviewers, it **must** be included in current
kvm packages for precise and squeeze-backports. I'll try to advocate for
this to be done as quick as possible (on the debian side).

> Thanks,
> David
>> Thanks,
>> Kazutaka

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