Hello
environment: oVirt 4.5.4-1
messages like this appear in the event log
what do these errors mean?
the volume 114f08c4-f864-44e1-a937-19405307e643 has 128m size
ERROR
 [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] 
(EE-ManagedScheduledExecutorService-engineScheduledThreadPool-Thread-18)
 [] EVENT_ID: VDS_BROKER_COMMAND_FAILURE(10,802), VDSM kvm3 command 
HSMGetAllTasksStatusesVDS failed: value=Cannot deactivate Logical 
Volume: 'error=General Storage Exception: ("5 [] [\'  Logical volume 
3526ebaa-31de-4c9f-b724-f0fbe5448a78/114f08c4-f864-44e1-a937-19405307e643
 in 
use.\']\\n3526ebaa-31de-4c9f-b724-f0fbe5448a78/[\'114f08c4-f864-44e1-a937-19405307e643\']",),
 
users={\'/dev/3526ebaa-31de-4c9f-b724-f0fbe5448a78/114f08c4-f864-44e1-a937-19405307e643\':
 [{\'pid\': 2227780, \'command\': \'systemd-udevd\', \'user\': \'root\',
 \'fd\': 7}]}' abortedcode=552