engine.log after failed ISO_DOMAIN attach

2013-11-03 17:49:39,207 ERROR [org.ovirt.engine.core.utils.servlet.ServletUtils] (ajp--127.0.0.1-8702-8) Can't read file "/usr/share/doc/ovirt-engine/manual/DocumentationPath.csv" for request "/docs/DocumentationPath.csv", will send a 404 error response.
2013-11-03 17:50:25,720 INFO  [org.ovirt.engine.core.bll.storage.AttachStorageDomainToPoolCommand] (pool-6-thread-49) [3719d21a] Running command: AttachStorageDomainToPoolCommand internal: false. Entities affected :  ID: 8fe6f207-3fee-4b2a-839e-f9eeb9408a0f Type: Storage
2013-11-03 17:50:25,728 INFO  [org.ovirt.engine.core.bll.storage.ConnectStorageToVdsCommand] (pool-6-thread-50) Running command: ConnectStorageToVdsCommand internal: true. Entities affected :  ID: aaa00000-0000-0000-0000-123456789aaa Type: System
2013-11-03 17:50:25,731 INFO  [org.ovirt.engine.core.vdsbroker.vdsbroker.ConnectStorageServerVDSCommand] (pool-6-thread-50) START, ConnectStorageServerVDSCommand(HostName = Center1, HostId = 72729276-a99d-4138-a3e1-9883975fd78d, storagePoolId = 00000000-0000-0000-0000-000000000000, storageType = NFS, connectionList = [{ id: 605253a4-047a-4b5a-b10e-b09fbf606439, connection: ovirt-vm.smartcity.net:/var/lib/exports/iso-20131103191803, iqn: null, vfsType: null, mountOptions: null, nfsVersion: null, nfsRetrans: null, nfsTimeo: null };]), log id: 4e458f8b
2013-11-03 17:52:30,921 INFO  [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] (pool-6-thread-50) Correlation ID: null, Call Stack: null, Custom Event ID: -1, Message: Failed to connect Host Center1 to the Storage Domains ISO_DOMAIN.
2013-11-03 17:52:30,922 INFO  [org.ovirt.engine.core.vdsbroker.vdsbroker.ConnectStorageServerVDSCommand] (pool-6-thread-50) FINISH, ConnectStorageServerVDSCommand, return: {605253a4-047a-4b5a-b10e-b09fbf606439=477}, log id: 4e458f8b
2013-11-03 17:52:30,923 INFO  [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] (pool-6-thread-50) Correlation ID: null, Call Stack: null, Custom Event ID: -1, Message: The error message for connection ovirt-vm.smartcity.net:/var/lib/exports/iso-20131103191803 returned by VDSM was: Problem while trying to mount target
2013-11-03 17:52:30,924 ERROR [org.ovirt.engine.core.bll.storage.NFSStorageHelper] (pool-6-thread-50) The connection with details ovirt-vm.smartcity.net:/var/lib/exports/iso-20131103191803 failed because of error code 477 and error message is: problem while trying to mount target
2013-11-03 17:52:30,927 ERROR [org.ovirt.engine.core.bll.storage.ConnectStorageToVdsCommand] (pool-6-thread-50) Transaction rolled-back for command: org.ovirt.engine.core.bll.storage.ConnectStorageToVdsCommand.
2013-11-03 17:52:30,928 INFO  [org.ovirt.engine.core.vdsbroker.irsbroker.AttachStorageDomainVDSCommand] (pool-6-thread-49) [3719d21a] START, AttachStorageDomainVDSCommand( storagePoolId = 5849b030-626e-47cb-ad90-3ce782d831b3, ignoreFailoverLimit = false, storageDomainId = 8fe6f207-3fee-4b2a-839e-f9eeb9408a0f), log id: 4f61c6e5
2013-11-03 17:52:35,106 ERROR [org.ovirt.engine.core.vdsbroker.irsbroker.AttachStorageDomainVDSCommand] (pool-6-thread-49) [3719d21a] Failed in AttachStorageDomainVDS method
2013-11-03 17:52:35,120 ERROR [org.ovirt.engine.core.vdsbroker.irsbroker.AttachStorageDomainVDSCommand] (pool-6-thread-49) [3719d21a] Error code StorageDomainDoesNotExist and error message IRSGenericException: IRSErrorException: Failed to AttachStorageDomainVDS, error = Storage domain does not exist: ('8fe6f207-3fee-4b2a-839e-f9eeb9408a0f',)
2013-11-03 17:52:35,122 ERROR [org.ovirt.engine.core.vdsbroker.irsbroker.IrsBrokerCommand] (pool-6-thread-49) [3719d21a] IrsBroker::Failed::AttachStorageDomainVDS due to: IRSErrorException: IRSGenericException: IRSErrorException: Failed to AttachStorageDomainVDS, error = Storage domain does not exist: ('8fe6f207-3fee-4b2a-839e-f9eeb9408a0f',)
2013-11-03 17:52:35,129 INFO  [org.ovirt.engine.core.vdsbroker.irsbroker.AttachStorageDomainVDSCommand] (pool-6-thread-49) [3719d21a] FINISH, AttachStorageDomainVDSCommand, log id: 4f61c6e5
2013-11-03 17:52:35,129 ERROR [org.ovirt.engine.core.bll.storage.AttachStorageDomainToPoolCommand] (pool-6-thread-49) [3719d21a] Command org.ovirt.engine.core.bll.storage.AttachStorageDomainToPoolCommand throw Vdc Bll exception. With error message VdcBLLException: org.ovirt.engine.core.vdsbroker.irsbroker.IRSErrorException: IRSGenericException: IRSErrorException: Failed to AttachStorageDomainVDS, error = Storage domain does not exist: ('8fe6f207-3fee-4b2a-839e-f9eeb9408a0f',) (Failed with VDSM error StorageDomainDoesNotExist and code 358)
2013-11-03 17:52:35,137 INFO  [org.ovirt.engine.core.bll.storage.AttachStorageDomainToPoolCommand] (pool-6-thread-49) [3719d21a] Command [id=07da5748-9c2b-4f2c-8b54-ce0a3a9543c7]: Compensating NEW_ENTITY_ID of org.ovirt.engine.core.common.businessentities.StoragePoolIsoMap; snapshot: storagePoolId = 5849b030-626e-47cb-ad90-3ce782d831b3, storageId = 8fe6f207-3fee-4b2a-839e-f9eeb9408a0f.
2013-11-03 17:52:35,159 INFO  [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] (pool-6-thread-49) [3719d21a] Correlation ID: 3719d21a, Job ID: 813644d6-6ded-4289-965e-fb51e4b046f5, Call Stack: null, Custom Event ID: -1, Message: Failed to attach Storage Domain ISO_DOMAIN to Data Center Default. (User: admin@internal)