When performing a Hyper-V cluster VM backup, the following warning message is displayed on the backup client interface, or in the backup report:
|*||info||...||Start to collect CBT logs.|
Unable to generate delta using CBT., Reason = "The number of CBT log files do not match
the number of virtual machine's preferred owners." (ClusterStorage\Machine_Name\
VIRTUAL HARD DISKS\Machine_Name.VHDX)
This is a known issue with AhsayOBM version pre-18.104.22.168.
To resolve the issue, patch the AhsayOBM application to version 22.214.171.124 or above. The instructions can be found by Clicking Here.
vm, virtual, machine, hyper-v, hyperv, hyper, cbt, cluster, generate, delta, preferred, owners