Storage Domain fails to activate with the error : "ID 967 Failed to activate Storage Domain"

Issue

Storage Domain fails to activate with the error : "ID 967 Failed to activate Storage Domain"

Also following errors are indicated on the RHEV Manager event section :

Storage Domain was deactivated by system because it's not visible by any of the hosts.

engine.logs

2014-06-20 21:37:28,361 INFO  [org.ovirt.engine.core.bll.storage.ActivateStorageDomainCommand] (pool-3-thread-46) [24953a48] Running command: ActivateStorageDomainCommand internal: false. Entities affected :  ID: f573c80e-6856-4240-9605-afa48ba63136 Type: Storage
2014-06-20 21:37:28,369 INFO  [org.ovirt.engine.core.bll.storage.ActivateStorageDomainCommand] (pool-3-thread-46) [24953a48] Lock freed to object EngineLock [exclusiveLocks= key: f573c80e-6856-4240-9605-afa48ba63136 value: STORAGE
, sharedLocks= ]
2014-06-20 21:37:28,370 INFO  [org.ovirt.engine.core.bll.storage.ActivateStorageDomainCommand] (pool-3-thread-46) [24953a48] ActivateStorage Domain. Before Connect all hosts to pool. Time:6/20/14 9:37 PM
2014-06-20 21:37:28,405 INFO  [org.ovirt.engine.core.vdsbroker.irsbroker.ActivateStorageDomainVDSCommand] (pool-3-thread-46) [24953a48] START, ActivateStorageDomainVDSCommand( storagePoolId = 5849b030-626e-47cb-ad90-3ce782d831b3, ignoreFailoverLimit = false, compatabilityVersion = null, storageDomainId = f573c80e-6856-4240-9605-afa48ba63136), log id: f8977f2
2014-06-20 21:37:34,238 ERROR [org.ovirt.engine.core.vdsbroker.vdsbroker.BrokerCommandBase] (pool-3-thread-46) [24953a48] Failed in ActivateStorageDomainVDS method
2014-06-20 21:37:34,239 ERROR [org.ovirt.engine.core.vdsbroker.vdsbroker.BrokerCommandBase] (pool-3-thread-46) [24953a48] Error code StorageDomainDoesNotExist and error message IRSGenericException: IRSErrorException: Failed to ActivateStorageDomainVDS, error = Storage domain does not exist: ('f573c80e-6856-4240-9605-afa48ba63136',)