[Gluster-devel] XFS kernel panic bug?

[Harshavardhana]

You could tune 'dirty_ratio/background_ratio' to get this sorted out -
to avoid larger buffers in memory.

On Wed, Jun 11, 2014 at 10:51 PM, Justin Clift <justin at gluster.org> wrote:
> Thanks. :)
>
> Going to assume "really busy host". (hoping)
>
> I guess looking into raising the timeout value or something would be
> the right thing to try first.  I'll look into it after getting some
> sleep in a bit.
>
> + Justin
>
>
> On 12/06/2014, at 6:47 AM, Anand Babu Periasamy wrote:
>> This doesn't look like xfs bug. It is likely caused by a bad disk /
>> array or a really busy host.
>>
>> On Wed, Jun 11, 2014 at 10:28 PM, Justin Clift <justin at gluster.org> wrote:
>>> Hi Niels,
>>>
>>> 4 out of 5 Rackspace slave VM's hung overnight.  Rebooted one of
>>> them and it didn't come back.  Checking out it's console (they
>>> have an in-browser Java applet for it) showed a kernel traceback.
>>>
>>> Scrollback for the console (took some effort ;>) is attached.
>>>
>>> It's showing a bunch of XFS messages from the system shutdown,
>>> but then (down a page or two) a traceback starts.
>>>
>>> Does this look like a potential XFS bug, or is it more hinting
>>> something else is wrong?  eg improper cleanup script, or we
>>> need kernel settings adjusted, or ?
>>>
>>> + Justin
>>>
>>>
>>>
>>>
>>> --
>>> GlusterFS - http://www.gluster.org
>>>
>>> An open source, distributed file system scaling to several
>>> petabytes, and handling thousands of clients.
>>>
>>> My personal twitter: twitter.com/realjustinclift
>>>
>>>
>>> _______________________________________________
>>> Gluster-devel mailing list
>>> Gluster-devel at gluster.org
>>> http://supercolony.gluster.org/mailman/listinfo/gluster-devel
>>>
>>
>>
>>
>> --
>> -ab
>>
>> Imagination is more important than knowledge --Albert Einstein
>
> --
> GlusterFS - http://www.gluster.org
>
> An open source, distributed file system scaling to several
> petabytes, and handling thousands of clients.
>
> My personal twitter: twitter.com/realjustinclift
>
> _______________________________________________
> Gluster-devel mailing list
> Gluster-devel at gluster.org
> http://supercolony.gluster.org/mailman/listinfo/gluster-devel



-- 
Religious confuse piety with mere ritual, the virtuous confuse
regulation with outcomes