2017-03-31 10:47:45,099+03 ERROR [org.ovirt.engine.core.vdsbroker.vdsbroker.CreateStorageDomainVDSCommand] (default task-41) [717af17f] Command 'CreateStorageDomainVDSCommand(HostName = node169-07., CreateStorageDomainVDSCommandParameters:{runAsync='true', hostId='ca177a14-56ef-4736-a0a9-ab9dc2a8eb90', storageDomain='StorageDomainStatic:{name='data1', id='56038842-2fbe-4ada-96f1-c4b4e66fd0b7'}', args='sUG5rL-zqvF-DMox-uMK3-Xl91-ZiYw-k27C3B'})' execution failed: VDSGenericException: VDSErrorException: Failed in vdscommand to CreateStorageDomainVDS, error = Cannot deactivate Logical Volume: ('General Storage Exception: (\'5 [] [\\\' /dev/mapper/36001405b7dd7b800e7049ecbf6830637: read failed after 0 of 4096 at 0: Input/output error\\\', \\\' /dev/mapper/36001405b7dd7b800e7049ecbf6830637: read failed after 0 of 4096 at 4294967230464: Input/output error\\\', \\\' /dev/mapper/36001405b7dd7b800e7049ecbf6830637: read failed after 0 of 4096 at 4294967287808: Input/output error\\\', \\\' WARNING: Error counts reached a limit of 3. Device /dev/mapper/36001405b7dd7b800e7049ecbf6830637 was disabled\\\', \\\' WARNING: Error counts reached a limit of 3. Device /dev/mapper/36001405b7dd7b800e7049ecbf6830637 was disabled\\\', \\\' Volume group "56038842-2fbe-4ada-96f1-c4b4e66fd0b7" not found\\\', \\\' Cannot process volume group 56038842-2fbe-4ada-96f1-c4b4e66fd0b7\\\']\\n56038842-2fbe-4ada-96f1-c4b4e66fd0b7/[\\\'master\\\']\',)',)
Previously, this ISCSI DATA DOMAIN works well with oVirt 3.6 and CentOS 7.2 host.