Thanks Shani - yes we plan to upgrade to 4.4 in the
              future, but we're on 4.3 right now due to only running
              CentOS 7 at the moment.
              
              
              I was able to clear the job from the SPM: 
              
              [root@daccs01 ~]# vdsm-client Host getAllTasksStatuses
              {
                  "5fa9edf0-56c3-40e4-9327-47bf7764d28d": {
                      "message": "1 jobs completed successfully", 
                      "code": 0, 
                      "taskID": "5fa9edf0-56c3-40e4-9327-47bf7764d28d",
              
                      "taskResult": "success", 
                      "taskState": "finished"
                  }
              }
              [root@daccs01 ~]# vdsm-client Task clear
              taskID=5fa9edf0-56c3-40e4-9327-47bf7764d28d
              true
              [root@daccs01 ~]# vdsm-client Host getAllTasksStatuses
              {}
              
              And confirm there were no async_tasks: 
              
              engine=# select * from async_tasks;
               task_id | action_type | status | result | step_id |
              command_id | started_at | storage_pool_id | task_type |
              vdsm_task_id | root_command_id | user_id
              
---------+-------------+--------+--------+---------+------------+------------+-----------------+-----------+--------------+-----------------+---------
              (0 rows)
              
              
              However, when putting the vm-storage-ssd domain into
              maintenance mode, it failed again:
              
              
              
              
              
              
              
              
              
              
              Here are some the logs entries - anything else I can look
              at? 
              
              
              2021-07-29 10:30:37,848-07 ERROR
              [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector]
              (EE-ManagedThreadFactory-engineScheduled-Thread-25)
              [35c5b47] EVENT_ID: VDS_BROKER_COMMAND_FAILURE(10,802),
               VDSM 
compute7.pcic.uvic.ca
              command ConnectStoragePoolVDS failed: Wrong Master domain
              or its version: u'SD=a5a83df1-47e2-4927-9add-079199ca7ef8,
              pool=f72ec125-69a1-4c1b-a5e1-313fcb70b6ff'
              2021-07-29 10:30:37,848-07 INFO 
              [org.ovirt.engine.core.vdsbroker.vdsbroker.ConnectStoragePoolVDSCommand]
              (EE-ManagedThreadFactory-engineScheduled-Thread-25)
              [35c5b47] Command 'org.ovirt.engine.core.vdsbroker.vd
              sbroker.ConnectStoragePoolVDSCommand' return value
              'StatusOnlyReturn [status=Status [code=324, message=Wrong
              Master domain or its version:
              u'SD=a5a83df1-47e2-4927-9add-079199ca7ef8,
              pool=f72ec125-69a1-4c1b-a5e1-
              313fcb70b6ff']]'
              ...
              2021-07-29 10:30:37,848-07 INFO 
              [org.ovirt.engine.core.vdsbroker.vdsbroker.ConnectStoragePoolVDSCommand]
              (EE-ManagedThreadFactory-engineScheduled-Thread-25)
              [35c5b47] HostName =
              
compute7.pcic.uvic.ca
              2021-07-29 10:30:37,849-07 ERROR
              [org.ovirt.engine.core.vdsbroker.vdsbroker.ConnectStoragePoolVDSCommand]
              (EE-ManagedThreadFactory-engineScheduled-Thread-25)
              [35c5b47] Command 'ConnectStoragePoolVDSCommand(HostN
              ame = 
compute7.pcic.uvic.ca,
ConnectStoragePoolVDSCommandParameters:{hostId='51769733-0cf6-4270-8288-ec96474b7609',
              vdsId='51769733-0cf6-4270-8288-ec96474b7609',
              storagePoolId='f72ec125-69a1-4c1b-a5e1-313fcb70b6
              ff', masterVersion='288'})' execution failed:
              IRSGenericException: IRSErrorException:
              IRSNoMasterDomainException: Wrong Master domain or its
              version: u'SD=a5a83df1-47e2-4927-9add-079199ca7ef8,
              pool=f72ec125-69a1
              -4c1b-a5e1-313fcb70b6ff'
              ...
              2021-07-29 10:30:37,849-07 ERROR
              [org.ovirt.engine.core.vdsbroker.irsbroker.IrsBrokerCommand]
              (EE-ManagedThreadFactory-engineScheduled-Thread-25)
              [35c5b47] IrsBroker::Failed::DeactivateStorageDomainVDS:
              IRSGener
              icException: IRSErrorException:
              IRSNoMasterDomainException: Wrong Master domain or its
              version: u'SD=a5a83df1-47e2-4927-9add-079199ca7ef8,
              pool=f72ec125-69a1-4c1b-a5e1-313fcb70b6ff'
              2021-07-29 10:30:37,855-07 INFO 
[org.ovirt.engine.core.vdsbroker.irsbroker.DeactivateStorageDomainVDSCommand]
              (EE-ManagedThreadFactory-engineScheduled-Thread-25)
              [35c5b47] FINISH, DeactivateStorageDomainVDSComm
              and, return: , log id: 1c215ca4
              2021-07-29 10:30:37,855-07 ERROR
[org.ovirt.engine.core.bll.storage.domain.DeactivateStorageDomainCommand]
              (EE-ManagedThreadFactory-engineScheduled-Thread-25)
              [35c5b47] DeactivateStorageDomainVDS failed 'a5a83df
              1-47e2-4927-9add-079199ca7ef8':
              org.ovirt.engine.core.common.errors.EngineException:
              EngineException:
              org.ovirt.engine.core.vdsbroker.irsbroker.IRSNoMasterDomainException:
              IRSGenericException: IRSErrorException:
               IRSNoMasterDomainException: Wrong Master domain or its
              version: u'SD=a5a83df1-47e2-4927-9add-079199ca7ef8,
              pool=f72ec125-69a1-4c1b-a5e1-313fcb70b6ff' (Failed with
              error StoragePoolWrongMaster and code 324)
                      at
org.ovirt.engine.core.bll.VdsHandler.handleVdsResult(VdsHandler.java:118)
              [bll.jar:]
                      at
org.ovirt.engine.core.bll.VDSBrokerFrontendImpl.runVdsCommand(VDSBrokerFrontendImpl.java:33)
              [bll.jar:]
                      at
org.ovirt.engine.core.bll.CommandBase.runVdsCommand(CommandBase.java:2112)
              [bll.jar:]
                      at
org.ovirt.engine.core.bll.storage.domain.DeactivateStorageDomainCommand.dectivateStorageDomain(DeactivateStorageDomainCommand.java:340)
              [bll.jar:]
              ...
                      at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
              [rt.jar:1.8.0_292]
                      at java.lang.Thread.run(Thread.java:748)
              [rt.jar:1.8.0_292]
                      at
org.glassfish.enterprise.concurrent.ManagedThreadFactoryImpl$ManagedThread.run(ManagedThreadFactoryImpl.java:250)
              [javax.enterprise.concurrent-1.0.jar:]
              Caused by:
              org.ovirt.engine.core.vdsbroker.irsbroker.IRSNoMasterDomainException:
              IRSGenericException: IRSErrorException:
              IRSNoMasterDomainException: Wrong Master domain or its
              version: u'SD=a5a83df1-47e2-4927-9add-079199ca7ef8,
              pool=f72ec125-69a1-4c1b-a5e1-313fcb70b6ff'
                      at
org.ovirt.engine.core.vdsbroker.vdsbroker.BrokerCommandBase.proceedProxyReturnValue(BrokerCommandBase.java:50)
              [vdsbroker.jar:]
                      at
org.ovirt.engine.core.vdsbroker.vdsbroker.ConnectStoragePoolVDSCommand.proceedConnectProxyReturnValue(ConnectStoragePoolVDSCommand.java:48)
              [vdsbroker.jar:]
                      at
org.ovirt.engine.core.vdsbroker.vdsbroker.ConnectStoragePoolVDSCommand.proceedProxyReturnValue(ConnectStoragePoolVDSCommand.java:36)
              [vdsbroker.jar:]
              ...
                      at
org.jboss.weld.bean.proxy.CombinedInterceptorAndDecoratorStackMethodHandler.invoke(CombinedInterceptorAndDecoratorStackMethodHandler.java:79)
              [weld-core-impl-3.1.1.Final.jar:3.1.1.Final]
                      at
org.jboss.weld.bean.proxy.CombinedInterceptorAndDecoratorStackMethodHandler.invoke(CombinedInterceptorAndDecoratorStackMethodHandler.java:68)
              [weld-core-impl-3.1.1.Final.jar:3.1.1.Final]
                      at
org.ovirt.engine.core.vdsbroker.ResourceManager$Proxy$_$$_WeldSubclass.runVdsCommand(Unknown
              Source) [vdsbroker.jar:]
                      ... 94 more
              
              2021-07-29 10:30:37,861-07 ERROR
[org.ovirt.engine.core.bll.storage.domain.DeactivateStorageDomainCommand]
              (EE-ManagedThreadFactory-engineScheduled-Thread-25)
              [35c5b47] Failed to deactivate storage domain
              'a5a83df1-47e2-4927-9add-079199ca7ef8'
              2021-07-29 10:30:37,868-07 INFO 
              [org.ovirt.engine.core.bll.CommandCompensator]
              (EE-ManagedThreadFactory-engineScheduled-Thread-25)
              [35c5b47] Command
              [id=c63199f8-a720-4053-8e5c-92c8d21e0ce2]: Compensating
              CHANGED_STATUS_ONLY of
              org.ovirt.engine.core.common.businessentities.StoragePoolIsoMap;
              snapshot:
EntityStatusSnapshot:{id='StoragePoolIsoMapId:{storagePoolId='f72ec125-69a1-4c1b-a5e1-313fcb70b6ff',
              storageId='a5a83df1-47e2-4927-9add-079199ca7ef8'}',
              status='Unknown'}.
              2021-07-29 10:30:37,882-07 ERROR
              [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector]
              (EE-ManagedThreadFactory-engineScheduled-Thread-25)
              [35c5b47] EVENT_ID:
              USER_DEACTIVATE_STORAGE_DOMAIN_FAILED(969), Failed to
              deactivate Storage Domain vm-storage-ssd (Data Center
              EDC2).
              2021-07-29 10:30:37,884-07 WARN 
              [org.ovirt.engine.core.bll.storage.pool.ReconstructMasterDomainCommand]
              (EE-ManagedThreadFactory-engine-Thread-25) [60d33d]
              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
              Locked
              2021-07-29 10:30:37,888-07 INFO 
              [org.ovirt.engine.core.bll.eventqueue.EventQueueMonitor]
              (EE-ManagedThreadFactory-engine-Thread-48) [35c5b47]
              Finished reconstruct for pool
              'f72ec125-69a1-4c1b-a5e1-313fcb70b6ff'. Clearing event
              queue
              2021-07-29 10:30:37,899-07 INFO 
[org.ovirt.engine.core.vdsbroker.vdsbroker.HSMGetAllTasksStatusesVDSCommand]
              (EE-ManagedThreadFactory-engineScheduled-Thread-50) []
              Command
'org.ovirt.engine.core.vdsbroker.vdsbroker.HSMGetAllTasksStatusesVDSCommand'
              return value '
              TaskStatusListReturn:{status='Status [code=654,
              message=Not SPM]'}
              
              
              Thanks,
               -Matthew
              
              
On 7/29/21 2:52 AM, Shani Leviim wrote:
              
              
                Notice: This message was sent from outside the
                  University of Victoria email system. Please be
                  cautious with links and sensitive information.
                
                
                
                  
                    Hi Matthew,
                    Actually, your
                      description is related to 2 features available for
                      
ovirt
                        4.4.5 
                    1. The ability to switch
                      the master storage domain while domains are up and
                      running [1]
                    
                    2. Clearing the finished
                      tasks from REST API [2] and UI [3].
                    
                    
                    We recommend you upgrade
                      your engine to enjoy those features.
                    
                    
                    In the meanwhile, as
                      you've described, moving the Master role from one
                      storage to the other is available using putting
                      the domain into maintenance.
                    In order to clear the
                      finished tasks from SPM:
                         vdsm-client Host getAllTasksStatuses
                    
                      It should be something like that:
                      {
                          "1dc4d885-577a-4b6a-b01f-e682602a907c": {
                              "code": 0,
                              "message": "1 jobs completed
                      successfully",
                              "taskID":
                      "1dc4d885-577a-4b6a-b01f-e682602a907c",
                              "taskResult": "success",
                              "taskState": "finished"
                          }
                      }
                    
                    
                    Then clear that tasks:
                         vdsm-client Task clear taskID=12345
                      Once it gets cleared, the reconstruction can be
                      finished.
                    
                    
                    To verify there are no
                      more finished async tasks, you can run this SQL
                      query on the engine:
                      engine=# select * from async_tasks WHERE
                      storage_pool_id = '123';  
                    
                    
                    
                    
                    
                    
                    
                    
                    
                   
                  
                  
                    
                    
                      Hello, 
                        
                        I'm trying to decommission the old master
                        storage domain in ovirt, and replace it with a
                        new one. All of the VMs have been migrated off
                        of the old master, and everything has been
                        running on the new storage domain for a couple
                        months. But when I try to put the old domain
                        into maintenance mode I get an error. 
                        
                        Old Master: vm-storage-ssd
                        New Domain: vm-storage-ssd2
                        
                        The error is: 
                        
                        Failed to Reconstruct Master Domain for Data
                        Center EDC2
                        
                        As well as: 
                        
                        Sync Error on Master Domain between Host daccs01
                        and oVirt Engine. Domain: vm-storage-ssd is
                        marked as Master in oVirt Engine database but
                        not on the Storage side. Please consult with
                        Support on how to fix this issue.
                        
                        2021-07-28 11:41:34,870-07 WARN 
                        [org.ovirt.engine.core.vdsbroker.irsbroker.IrsProxy]
                        (EE-ManagedThreadFactory-engine-Thread-23) []
                        Master domain version is not in sync between DB
                        and VDSM. Domain vm-storage-ssd
                         marked as master, but the version in DB: 283
                        and in VDSM: 280
                        
                        And: 
                        
                        Not stopping SPM on vds daccs01, pool id
                        f72ec125-69a1-4c1b-a5e1-313fcb70b6ff as there
                        are uncleared tasks Task
                        '5fa9edf0-56c3-40e4-9327-47bf7764d28d', status
                        'finished'
                        
                        
                        After a couple minutes all the domains are
                        marked as active again and things continue, but
                        vm-storage-ssd is still listed as the master
                        domain. Any thoughts?
                        
                        
                        This is on 4.3.10.4-1.el7   on CentOS 7. 
                        
                        engine=# SELECT storage_name, storage_pool_id,
                        storage, status FROM
                        storage_pool_with_storage_domain ORDER BY
                        storage_name;
                             storage_name      |          
                        storage_pool_id            |               
                        storage                 | status
                        
-----------------------+--------------------------------------+----------------------------------------+--------
                         compute1-iscsi-ssd    |
                        f72ec125-69a1-4c1b-a5e1-313fcb70b6ff |
                        yvUESE-yWUv-VIWL-qX90-aAq7-gK0I-EqppRL |      1
                         compute7-iscsi-ssd    |
                        f72ec125-69a1-4c1b-a5e1-313fcb70b6ff |
                        8ekHdv-u0RJ-B0FO-LUUK-wDWs-iaxb-sh3W3J |      1
                         export-domain-storage |
                        f72ec125-69a1-4c1b-a5e1-313fcb70b6ff |
                        d3932528-6844-481a-bfed-542872ace9e5   |      1
                         iso-storage           |
                        f72ec125-69a1-4c1b-a5e1-313fcb70b6ff |
                        f800b7a6-6a0c-4560-8476-2f294412d87d   |      1
                         vm-storage-7200rpm    |
                        f72ec125-69a1-4c1b-a5e1-313fcb70b6ff |
                        a0bff472-1348-4302-a5c7-f1177efa45a9   |      1
                         vm-storage-ssd        |
                        f72ec125-69a1-4c1b-a5e1-313fcb70b6ff |
                        95acd9a4-a6fb-4208-80dd-1c53d6aacad0   |      1
                         vm-storage-ssd2       |
                        f72ec125-69a1-4c1b-a5e1-313fcb70b6ff |
                        829d0600-c3f7-4dae-a749-d7f05c6a6ca4   |      1
                        (7 rows)
                        
                        Thanks,
                         -Matthew
                        
-- 
                        
                       
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