[one-users] OpenNebula KVM / LVM / CentOS "journal I/O commit error"

Jaime Melis jmelis at opennebula.org
Thu Jun 7 02:21:02 PDT 2012


FYI, I have created this bug report:
http://dev.opennebula.org/issues/1305

On Mon, Jun 4, 2012 at 2:14 PM, Jaime Melis <jmelis at opennebula.org> wrote:

> Thanks for letting us know.
>
> I'll run some tests, because the SIZE attribute shouldn't be ignored.
>
> Cheers,
> Jaime
>
>
> On Fri, Jun 1, 2012 at 9:58 AM, Vogl, Yves <vogl at adesso-mobile.de> wrote:
>
>>  Hi Jaime,
>>
>>  sorry for my late reply.
>>
>>  We identified the problem - the snapshot which was created was too
>> small. It seems that the "SIZE" attribute was ignored.
>> The COW-table size was at 512MB which is the default.
>>
>>  We fixed this problem by adjusting the default value in the driver
>> configuration.
>>
>>  Cheers!
>>
>>  Yves
>>
>>
>>  On 23.05.2012, at 15:58, Jaime Melis wrote:
>>
>> Hello Yves,
>>
>>  Could it be that you don't have rw access to the image? Can you
>> double-check your permissions?
>>
>>  ls -l $(readlink -f /var/lib/one/datastores/0/<VM_ID>/disk.0)
>>
>>  take a look at the group attribute of that block device. Can oneadmin
>> read/write it? If that's not the case you'll probably need to
>>
>>  gpasswd -a oneadmin <block_device_group>
>>
>>  BTW: I'm taking notice of this to reflect it in the documentation
>>
>>  cheers
>>
>> On Tue, May 22, 2012 at 5:43 PM, Vogl, Yves <vogl at adesso-mobile.de>wrote:
>>
>>> Hi,
>>>
>>> we are experiencing trouble when using OpenNebula with KVM, LVM on
>>> CentOS.
>>>
>>> We've tried using virtio and ide, with and without caching - the problem
>>> remains.
>>>
>>> The VM mounts its filesystem readonly and logs "journal I/O commit
>>> error", on the host system we get "end_request: I/O error, dev vda, sector"
>>> errors.
>>>
>>> Has some experienced similar problems?
>>>
>>> Cheers,
>>> Yves
>>>
>>>
>>>
>>> _______________________________________________
>>> Users mailing list
>>> Users at lists.opennebula.org
>>> http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
>>>
>>
>>
>>
>>  --
>> Jaime Melis
>> Project Engineer
>> OpenNebula - The Open Source Toolkit for Cloud Computing
>> www.OpenNebula.org | jmelis at opennebula.org
>>
>>
>>
>
>
> --
> Jaime Melis
> Project Engineer
> OpenNebula - The Open Source Toolkit for Cloud Computing
> www.OpenNebula.org | jmelis at opennebula.org
>



-- 
Jaime Melis
Project Engineer
OpenNebula - The Open Source Toolkit for Cloud Computing
www.OpenNebula.org | jmelis at opennebula.org
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