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

[Roy Golan]

On 9 November 2016 at 14:49, knarra <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> 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.sto
>> rage.pool.ReconstructMasterDomainCommand] (org.ovirt.thread.pool-6-thread-24)
>> [210d2f12] Validation of action 'ReconstructMasterDomain' failed for user
>> SYSTEM. Reasons: VAR__ACTION__RECONSTRUCT_MASTE
>> R,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.


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