[ovirt-users] Problem moving master storage domain to maintenance

[knarra]

On 11/09/2016 06:26 PM, Roy Golan wrote:
>
>
> On 9 November 2016 at 14:49, knarra <knarra at redhat.com 
> <mailto:knarra at redhat.com>> wrote:
>
>     Can some one please help me to understand the queries below.
>
>     On 11/03/2016 06:43 PM, Maor Lipchuk wrote:
>>     Hi kasturi,
>>
>>     Which version of oVirt are you using?
>     Apologies for the late reply. I am using the latest master.
>>     Roy, I assume it is related to 4.0 version where the import of
>>     hosted storage domain was introduced. Care to share your insight
>>     about it?
>>
>>     Regards,
>>     Maor
>>
>>
>>     On Thu, Nov 3, 2016 at 12:23 PM, knarra <knarra at redhat.com
>>     <mailto:knarra at redhat.com>> wrote:
>>
>>         Hi,
>>
>>             I have three storage domains backed by gluster in my
>>         environment (hostedstorage, data and vmstore). I would want
>>         to move the storage domains into maintenance. Have couple of
>>         questions here.
>>
>>         1) Will moving master storage domain into maintenance have
>>         some impact on hostedstorage?
>>
>>         2) I see that moving master storage domain into maintenance
>>         causes  HostedEngine VM to restart and moves hosted_storage
>>         from active to Unknown state. Is this expected?
>>
>>         3) master storage domain remains in "Preparing for
>>         Maintenance" and i see the following exceptions in the
>>         engine.log.
>>
>>         2016-11-03 06:22:10,988 ERROR
>>         [org.ovirt.engine.core.vdsbroker.irsbroker.IrsBrokerCommand]
>>         (DefaultQuartzScheduler6) [2d534f09]
>>         IrsBroker::Failed::GetStoragePoolInfoVDS:
>>         IRSGenericException: IRSErrorException:
>>         IRSNoMasterDomainException: Wrong Master domain or its
>>         version: u'SD=08aba92e-e685-45d7-b03f-85d9678ecc9b,
>>         pool=581999ef-02aa-0272-0334-000000000159'
>>         2016-11-03 06:22:11,001 WARN
>>         [org.ovirt.engine.core.bll.storage.pool.ReconstructMasterDomainCommand]
>>         (org.ovirt.thread.pool-6-thread-24) [210d2f12] Validation of
>>         action 'ReconstructMasterDomain' failed for user SYSTEM.
>>         Reasons:
>>         VAR__ACTION__RECONSTRUCT_MASTER,VAR__TYPE__STORAGE__DOMAIN,ACTION_TYPE_FAILED_STORAGE_DOMAIN_STATUS_ILLEGAL2,$status
>>         PreparingForMaintenance
>>
>>         Thanks
>>
>>         kasturi.
>>
>>
> The hosted_storage will not be picked up as a master domain. So the 
> reconstruct must have picked up one of your other domain. I don't know 
> why the reconstruct failed, it says here it's wrong master domain version.
Roy, when i tried to move master storage domain into maintenance i did 
not have any other active domains on my system other than 
hosted_storage.  So i am not sure what reconstruct would have picked.
>
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>>
>
>

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