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Rick80's avatar
Rick80
Level 4
9 years ago

cbt enabled by Netbackup?

Hi all,   I have a question about Accelerator and cbt option on vm machine. This option is disabled, Can Netbackup enabled automatically if I have accelerator on vmware policy? And in this c...
  • sdo's avatar
    9 years ago

    NetBackup will not power-off the VM if/when it enables CBT.

    The next VM stun/unstun cycle will effectively enable CBT.

    A 'snapshot' event is a 'stun/unstun' event.

    http://itknowledgeexchange.techtarget.com/virtualization-pro/what-is-changed-block-tracking-in-vsphere/

    So, NetBackup will call the VMware API SDK to enable CBT, and then NetBackup will call the VMware API SDK to take a snapshot which will stun/unstun the VM.

    So, NetBackup will not stop/restart the VM, and there should be no need to stop/restart the VM.