Description of problem: After performing an alignment scan the command fails upon return with a ClassCastException Version-Release number of selected component (if applicable): How reproducible: 100% Steps to Reproduce: In a non active VM with disks on block domains right click on one of the disks and select "Scan Alignment" Actual results: Alignment succeeds in VDSM but the command fails in the Engine with "Alignment scan of disk '%diskname%' failed." Expected results: If the alignment succeeded in VDSM we should see in the Engine that the command succeeded Additional info:
Verified ======== rhevm-3.6.2.5-0.1.el6.noarch vdsm-4.17.17-0.el7ev.noarch Steps to Reproduce: =================== In a non active VM with disks on block domains right click on one of the disks and select "Scan Alignment" From engine.log =============== 2016-01-17 14:09:54,261 INFO [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] (org.ovirt.thread.pool-7-thread-2) [32486998] Correlation ID: 32486998, Job ID: 3b1a2dc7-1652-4811-bea8-5c80d6a7223e, Call Stack: null, Custom Event ID: -1, Message: Alignment scan of disk 'VM1_Disk1' is complete.