
Hi Ian, Thanks for pointing me in that direction. I found the following: ------------------------------------------------------------------ engine=# select * from storage_pool_iso_map; storage_id | storage_pool_id | status | owner --------------------------------------+--------------------------------------+--------+------- 025062dd-d69e-40ac-9031-c080b51647ae | 2b633f9a-8840-11e1-9ed7-17e6c491db84 | 5 | 0 503e6677-2d51-4668-ab17-f914bdb57c19 | 2b633f9a-8840-11e1-9ed7-17e6c491db84 | 0 | 0 d30604e3-3ca8-470a-8da4-18c9402f7504 | 2b633f9a-8840-11e1-9ed7-17e6c491db84 | 0 | 0 (3 rows) ------------------------------------------------------------------ But changed it to using the query in the thread you suggested: ------------------------------------------------------------------ engine=# select * from storage_pool_iso_map; storage_id | storage_pool_id | status | owner --------------------------------------+--------------------------------------+--------+------- 025062dd-d69e-40ac-9031-c080b51647ae | 2b633f9a-8840-11e1-9ed7-17e6c491db84 | 0 | 0 503e6677-2d51-4668-ab17-f914bdb57c19 | 2b633f9a-8840-11e1-9ed7-17e6c491db84 | 0 | 0 d30604e3-3ca8-470a-8da4-18c9402f7504 | 2b633f9a-8840-11e1-9ed7-17e6c491db84 | 0 | 0 ------------------------------------------------------------------ When I try to activate the data centre, it changes to: ------------------------------------------------------------------ engine=# select * from storage_pool_iso_map; storage_id | storage_pool_id | status | owner --------------------------------------+--------------------------------------+--------+------- 025062dd-d69e-40ac-9031-c080b51647ae | 2b633f9a-8840-11e1-9ed7-17e6c491db84 | 4 | 0 503e6677-2d51-4668-ab17-f914bdb57c19 | 2b633f9a-8840-11e1-9ed7-17e6c491db84 | 0 | 0 d30604e3-3ca8-470a-8da4-18c9402f7504 | 2b633f9a-8840-11e1-9ed7-17e6c491db84 | 0 | 0 ------------------------------------------------------------------ However, I'm still unable to activate the data centre.Engine.log is giving me the following: ------------------------------------------------------------------ 2013-04-28 00:55:33,297 INFO [org.ovirt.engine.core.vdsbroker.VdsManager] (QuartzScheduler_Worker-5) Initializing Host: BigServer 2013-04-28 00:55:33,331 WARN [org.ovirt.engine.core.vdsbroker.irsbroker.IrsBrokerCommand] (QuartzScheduler_Worker-5) domain 503e6677-2d51-4668-ab17-f914bdb57c19 in problem. vds: BigServer 2013-04-28 00:55:33,332 WARN [org.ovirt.engine.core.vdsbroker.irsbroker.IrsBrokerCommand] (QuartzScheduler_Worker-5) domain d30604e3-3ca8-470a-8da4-18c9402f7504 in problem. vds: BigServer 2013-04-28 00:55:39,391 INFO [org.ovirt.engine.core.vdsbroker.irsbroker.IrsBrokerCommand] (QuartzScheduler_Worker-17) hostFromVds::selectedVds - BigServer, spmStatus Unknown_Pool, storage pool Default 2013-04-28 00:55:39,594 INFO [org.ovirt.engine.core.vdsbroker.vdsbroker.ConnectStoragePoolVDSCommand] (QuartzScheduler_Worker-17) START, ConnectStoragePoolVDSCommand(vdsId = aeac7aa6-8840-11e1-99aa-7fbd3e56e26e, storagePoolId = 2b633f9a-8840-11e1-9ed7-17e6c491db84, vds_spm_id = 1, masterDomainId = 025062dd-d69e-40ac-9031-c080b51647ae, masterVersion = 1), log id: 132803ba 2013-04-28 00:55:41,425 INFO [org.ovirt.engine.core.vdsbroker.vdsbroker.BrokerCommandBase] (QuartzScheduler_Worker-17) Command org.ovirt.engine.core.vdsbroker.vdsbroker.ConnectStoragePoolVDSCommand return value Class Name: org.ovirt.engine.core.vdsbroker.vdsbroker.StatusOnlyReturnForXmlRpc mStatus Class Name: org.ovirt.engine.core.vdsbroker.vdsbroker.StatusForXmlRpc mCode 304 mMessage Cannot find master domain: 'spUUID=2b633f9a-8840-11e1-9ed7-17e6c491db84, msdUUID=025062dd-d69e-40ac-9031-c080b51647ae' 2013-04-28 00:55:41,425 INFO [org.ovirt.engine.core.vdsbroker.vdsbroker.BrokerCommandBase] (QuartzScheduler_Worker-17) Vds: BigServer 2013-04-28 00:55:41,433 ERROR [org.ovirt.engine.core.vdsbroker.VDSCommandBase] (QuartzScheduler_Worker-17) Command ConnectStoragePoolVDS execution failed. Exception: IRSNoMasterDomainException: IRSGenericException: IRSErrorException: IRSNoMasterDomainException: Cannot find master domain: 'spUUID=2b633f9a-8840-11e1-9ed7-17e6c491db84, msdUUID=025062dd-d69e-40ac-9031-c080b51647ae' 2013-04-28 00:55:41,434 INFO [org.ovirt.engine.core.vdsbroker.vdsbroker.ConnectStoragePoolVDSCommand] (QuartzScheduler_Worker-17) FINISH, ConnectStoragePoolVDSCommand, log id: 132803ba 2013-04-28 00:55:41,436 INFO [org.ovirt.engine.core.utils.transaction.TransactionSupport] (QuartzScheduler_Worker-17) transaction rolled back 2013-04-28 00:55:41,436 ERROR [org.ovirt.engine.core.vdsbroker.irsbroker.IrsBrokerCommand] (QuartzScheduler_Worker-17) IrsBroker::Failed::GetStoragePoolInfoVDS 2013-04-28 00:55:41,437 ERROR [org.ovirt.engine.core.vdsbroker.irsbroker.IrsBrokerCommand] (QuartzScheduler_Worker-17) Exception: IRSGenericException: IRSErrorException: IRSNoMasterDomainException: Cannot find master domain: 'spUUID=2b633f9a-8840-11e1-9ed7-17e6c491db84, msdUUID=025062dd-d69e-40ac-9031-c080b51647ae' 2013-04-28 00:55:41,642 WARN [org.ovirt.engine.core.dal.dbbroker.generic.DBConfigUtils] (QuartzScheduler_Worker-17) Adding new value to configuration cache. 2013-04-28 00:55:41,643 WARN [org.ovirt.engine.core.dal.dbbroker.generic.DBConfigUtils] (QuartzScheduler_Worker-17) Didnt find the value of DBI18NPrefix in DB for version general - using default: 2013-04-28 00:55:41,645 WARN [org.ovirt.engine.core.dal.dbbroker.generic.DBConfigUtils] (QuartzScheduler_Worker-17) Adding new value to configuration cache. 2013-04-28 00:55:41,645 WARN [org.ovirt.engine.core.dal.dbbroker.generic.DBConfigUtils] (QuartzScheduler_Worker-17) Didnt find the value of DBPagingType in DB for version general - using default: Offset 2013-04-28 00:55:41,646 WARN [org.ovirt.engine.core.dal.dbbroker.generic.DBConfigUtils] (QuartzScheduler_Worker-17) Adding new value to configuration cache. 2013-04-28 00:55:41,646 WARN [org.ovirt.engine.core.dal.dbbroker.generic.DBConfigUtils] (QuartzScheduler_Worker-17) Didnt find the value of DBPagingSyntax in DB for version general - using default: OFFSET (%1$s -1) LIMIT %2$s 2013-04-28 00:55:41,648 WARN [org.ovirt.engine.core.dal.dbbroker.generic.DBConfigUtils] (QuartzScheduler_Worker-17) Adding new value to configuration cache. 2013-04-28 00:55:41,648 WARN [org.ovirt.engine.core.dal.dbbroker.generic.DBConfigUtils] (QuartzScheduler_Worker-17) Didnt find the value of DBSearchTemplate in DB for version general - using default: SELECT * FROM (%2$s) %1$s) as T1 %3$s 2013-04-28 00:55:41,692 INFO [org.ovirt.engine.core.bll.storage.ReconstructMasterDomainCommand] (QuartzScheduler_Worker-17) Running command: ReconstructMasterDomainCommand internal: true. Entities affected : ID: 025062dd-d69e-40ac-9031-c080b51647ae Type: Storage 2013-04-28 00:55:41,765 INFO [org.ovirt.engine.core.vdsbroker.irsbroker.MarkPoolInReconstructModeVDSCommand] (QuartzScheduler_Worker-17) START, MarkPoolInReconstructModeVDSCommand(storagePoolId = 2b633f9a-8840-11e1-9ed7-17e6c491db84, ignoreFailoverLimit = false, compatabilityVersion = null, reconstructMarkAction = ClearCache), log id: 548c6afe 2013-04-28 00:55:41,766 INFO [org.ovirt.engine.core.vdsbroker.irsbroker.IrsBrokerCommand] (QuartzScheduler_Worker-17) clearing cache for problematic entities in pool 2b633f9a-8840-11e1-9ed7-17e6c491db84 2013-04-28 00:55:41,766 INFO [org.ovirt.engine.core.vdsbroker.irsbroker.MarkPoolInReconstructModeVDSCommand] (QuartzScheduler_Worker-17) FINISH, MarkPoolInReconstructModeVDSCommand, log id: 548c6afe 2013-04-28 00:55:43,630 WARN [org.ovirt.engine.core.vdsbroker.irsbroker.IrsBrokerCommand] (QuartzScheduler_Worker-24) domain 503e6677-2d51-4668-ab17-f914bdb57c19 in problem. vds: BigServer 2013-04-28 00:55:43,631 WARN [org.ovirt.engine.core.vdsbroker.irsbroker.IrsBrokerCommand] (QuartzScheduler_Worker-24) domain d30604e3-3ca8-470a-8da4-18c9402f7504 in problem. vds: BigServer 2013-04-28 00:55:51,830 INFO [org.ovirt.engine.core.vdsbroker.irsbroker.IrsBrokerCommand] (QuartzScheduler_Worker-39) hostFromVds::selectedVds - BigServer, spmStatus Unknown_Pool, storage pool Default 2013-04-28 00:55:51,845 INFO [org.ovirt.engine.core.vdsbroker.vdsbroker.ConnectStoragePoolVDSCommand] (QuartzScheduler_Worker-39) START, ConnectStoragePoolVDSCommand(vdsId = aeac7aa6-8840-11e1-99aa-7fbd3e56e26e, storagePoolId = 2b633f9a-8840-11e1-9ed7-17e6c491db84, vds_spm_id = 1, masterDomainId = 025062dd-d69e-40ac-9031-c080b51647ae, masterVersion = 1), log id: 3b237a89 2013-04-28 00:55:53,628 INFO [org.ovirt.engine.core.vdsbroker.vdsbroker.BrokerCommandBase] (QuartzScheduler_Worker-39) Command org.ovirt.engine.core.vdsbroker.vdsbroker.ConnectStoragePoolVDSCommand return value Class Name: org.ovirt.engine.core.vdsbroker.vdsbroker.StatusOnlyReturnForXmlRpc mStatus Class Name: org.ovirt.engine.core.vdsbroker.vdsbroker.StatusForXmlRpc mCode 304 mMessage Cannot find master domain: 'spUUID=2b633f9a-8840-11e1-9ed7-17e6c491db84, msdUUID=025062dd-d69e-40ac-9031-c080b51647ae' ------------------------------------------------------------------ ... and so on. Any more help will be much appreciated - I'm utterly confused by what's going on. Thanks again, --Steven.