NetBackup status code: 4287
Message: A NetBackup snapshot of the virtual machine exists and the policy option specifies aborting the backup
Explanation: One or more NetBackup created snapshots exist on the virtual machine and the option in the policy specifies aborting the backup. The snapshots that NetBackup creates start with the NBU_SNAPSHOT or NBU_RESTORE strings in the snapshot name.
When you use RHV, you cannot remove the older snapshots from the RHV manager when the disk is in a locked state. The following error is displayed:A NetBackup snapshot of the virtual machine exists.
Possible causes of an existing NetBackup snapshot are the following:
A snapshot from a previous backup has not been deleted (an orphaned snapshot). NetBackup should have deleted the snapshot when the backup completed.
Two policies try to back up the virtual machine at the same time. For one of the policies, the backup detects the snapshot that the other policy created.
Recommended Action: Do the following, as appropriate:
Manually remove the orphaned snapshot.
For VMware, you can use the VMware vSphere interface to remove virtual machine snapshots. For Hyper-V, you can use
nbhypervtool.exeto remove NetBackup snapshots that were created with the WMI backup method. For more information onnbhypervtool.exe, refer to the NetBackup Commands Reference Guide.Reduce the likelihood of orphaned snapshots by changing the resource limits to reduce the load on the appropriate VMware or Hyper-V resource. The Resource Limit dialog is in the NetBackup Administration Console under Host Properties > Master Servers. The NetBackup guides for VMware and Hyper-V describe the available settings.
Change the NetBackup policy schedules to avoid simultaneous backups of the virtual machine.
For VMware only: Change the NetBackup policy's parameter to a different option (such as ).
For RHV only: Refer to the following article for steps to unlock the disk: https://access.redhat.com/solutions/396753. Then manually remove the older snapshots from the RHV manager.
For Nutanix AHV, refer to the Nutanix AHV Administrator's Guide to remove the VM snapshots.
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