[Openstack] Create Snapshot from a Paused/Suspended Instance

ankit agrawal agrawal.coolankit at gmail.com
Wed Aug 31 10:04:06 UTC 2016


Exactly the case, booting instances from cinder volumes ;(

Thank you so much for your help!

On 31 August 2016 at 15:01, Tzach Shefi <tshefi at redhat.com> wrote:

> Spun up a Kilo release, also worked without errors when instance was
> booted from a Glance image.
>
> However looking around some more I found this:
> https://bugs.launchpad.net/nova/+bug/1492716
> I wounder when you boot your instances, are they booted from Glance
> image(s) or from Cinder bootable volume(s)?
>
> Sure enough it fails, on Kilo as well as on my Mitaka system, if instance
> was booted from a Cinder volume then paused then try to create a snapshot.
> Horizon error:* Error: *Unable to create snapshot.
>
> [root at dhcp163-75 ~]# grep -ir createImage  /var/log/
> /var/log/nova/nova-api.log:2016-08-31 10:29:56.750 4237 INFO
> nova.api.openstack.wsgi [req-cd8da9d8-ef41-4b04-b587-014780fe1ad3
> b86f1527ea394b2aabfa7c270d789601 1d5231e874584bae9e55cca1a8537200 - - -]
> HTTP exception thrown: Cannot 'createImage' instance
> 325816b2-2da3-4986-bee0-bf1fa6c620f7 while it is in vm_state paused
> /var/log/nova/nova-api.log:2016-08-31 10:30:19.258 4237 INFO
> nova.api.openstack.wsgi [req-c34dbd7c-38a7-4ee7-981b-fdb0a80436e4
> b86f1527ea394b2aabfa7c270d789601 1d5231e874584bae9e55cca1a8537200 - - -]
> HTTP exception thrown: Cannot 'createImage' instance
> 325816b2-2da3-4986-bee0-bf1fa6c620f7 while it is in vm_state paused
> /var/log/horizon/horizon.log:2016-08-31 07:29:56,754 4479 WARNING
> horizon.exceptions Recoverable error: Cannot 'createImage' instance
> 325816b2-2da3-4986-bee0-bf1fa6c620f7 while it is in vm_state paused (HTTP
> 409) (Request-ID: req-cd8da9d8-ef41-4b04-b587-014780fe1ad3)
> /var/log/horizon/horizon.log:2016-08-31 07:30:19,261 4478 WARNING
> horizon.exceptions Recoverable error: Cannot 'createImage' instance
> 325816b2-2da3-4986-bee0-bf1fa6c620f7 while it is in vm_state paused (HTTP
> 409) (Request-ID: req-c34dbd7c-38a7-4ee7-981b-fdb0a80436e4)
>
>
> I guess if this is also your use case in which the instance is booted from
> a Cinder volume, your stuck :(
> Wait some more time for this to trickle down /  update your system.
>
> Or if possible boot instances from Glance images rather than Cinder
> volumes to avoid this issue.
>
> Tzach
>
>
>
> On Wed, Aug 31, 2016 at 10:05 AM, ankit agrawal <
> agrawal.coolankit at gmail.com> wrote:
>
>> I am currently working on Kilo-2015.1.4 release.
>> Nothing that I could find in nova/glance logs.
>>
>> The following error is thrown in apache log-
>> Recoverable error: Cannot 'createImage' instance
>> 68d86d84-6995-460f-xxxxxx while it is in vm_state suspended (HTTP 409)
>>
>> I have sufficient disk space. It is happening to all instances. Both for
>> admin and any other user.
>>
>> Regards,
>> Ankit
>>
>> On 30 August 2016 at 20:26, Tzach Shefi <tshefi at redhat.com> wrote:
>>
>>> Hey,
>>>
>>> So these two old fixed bugs suggest that it should work.
>>> https://bugs.launchpad.net/nova/+bug/1100556
>>> https://bugs.launchpad.net/horizon/+bug/1256821
>>>
>>> On a freshly installed Mitaka release KVM based deployment, I just
>>> booted up an instance, paused it and created snapshot without any problem.
>>>
>>> Any thing show up on Nova or Glance logs? Is debug enabled?
>>>
>>> Do you have sufficient disk space for snapshot?  If i recall the
>>> instance is paused snapshot is created and then uploaded to glance.
>>> You need to have enough free space of snapshot to be created.
>>>
>>> Does this happen on other instances or all of them?
>>>
>>> Does this happen with admin or another user?
>>>
>>> Tzach
>>>
>>>
>>> On Tue, Aug 30, 2016 at 12:15 PM, ankit agrawal <
>>> agrawal.coolankit at gmail.com> wrote:
>>>
>>>> Hi,
>>>>
>>>> I am currently trying to create a snapshot of an instance, which is in
>>>> paused/suspended state. It throws the error-
>>>>
>>>> *Error: *Unable to create snapshot. Please check the availability of
>>>> snapshots or storage quota
>>>>
>>>> Is this feature not supported? If not, there should be relevant code
>>>> changes to avoid these errors. Appreciate clarification on this.
>>>>
>>>> Thanks,
>>>>
>>>>
>>>>
>>>> _______________________________________________
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>>>>
>>>
>>>
>>> --
>>> *Tzach Shefi*
>>> Quality Engineer, Redhat OSP
>>> +972-54-4701080 <callto:+972-52-4534729>
>>>
>>
>>
>
>
> --
> *Tzach Shefi*
> Quality Engineer, Redhat OSP
> +972-54-4701080 <callto:+972-52-4534729>
>
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