[libvirt-users] domain has active block job

[Fiorenza Meini]

Il 13/01/2015 15:21, Kashyap Chamarthy ha scritto:
> On Tue, Jan 13, 2015 at 03:07:07PM +0100, Fiorenza Meini wrote:
>> Il 13/01/2015 10:51, Kashyap Chamarthy ha scritto:
>
> [. . .]
>
>>>> In libvirt log file I can see:
>>>> error : qemuDomainDefineXML:6312 : block copy still active: domain has
>>>> active block job
>>>>
>>>> Libvirt is 1.2.7 version, linux system is Debian Wheezy
>>>>
>>>> Please, what does it mean ?
>>>
>>> It means, according to libvirt, there's an unfinished `blockcopy` (Copy
>>> a disk backing image chain to destination ) operation.
>>>
>>> If you can find the associated libvirt guest name, you can try the
>>> below maybe.
>>>
>>> For the Nova libvirt guest that you're trying to create a snapshot of,
>>> find the location of its current block device:
>>>
>>>      $ virsh domblklist instance-YYYYYYYYY
>>>
>>> Then check if there are active block operaations for that disk:
>>>
>>>      $ virsh blockjob instance-YYYYYYYYY /path/to/libvirt/disk/ --info
>>>
>>> If there is any operation and if it is a test environment, you can
>>> run the below to abort the block operation in progress:
>>>
>>>      $ virsh blockjob instance-YYYYYYYYY /path/to/libvirt/disk/ --abort.
>>>
>>> Please the man page of `virsh` for more details.
>>>
>>
>> Thank for your response, I'm quite new on libvirt...
>> 1) virsh blockjob ... -info gave me an empyt list
>> 2( virsh blockjob ... -abort gave me this error: error: Requested operation
>> is not valid: another job on disk 'vda' is still being ended....
>>
>> ..but what ?
>
> Seems like you're hitting an old bug[1] where 'blockcopy' (or
> 'blockcommit') missed to execute a cleanup routine which destroys a
> reference to the active block operation -- resulting in the error you're
> seeing when you attempted to 'abort' the block operation manually.
>
> This bug is fixed in libvirt-1.2.8 and above. I see you're using
> libvirt-1.2.7, if you can update libvirt in your environment, that
> should fix your issue.
>
>
> [1] https://bugzilla.redhat.com/show_bug.cgi?id=1135169 -- blockcopy job
> was cancel by "CTRL+C" while it show there still be one block job in
> background
>

Ok, thank you.
I'll update libvirt as soon as possible, as I can see there is an update 
on my system for libvirt...

Regards

Fiorenza Meini

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