If you need to disassociate the cluster from the backup service, click Edit associations, and perform the corresponding operations in the pop-up page.
Note:
If a virtual machine in the cluster is added to the backup plan of a backup service, it is not allowed to disassociate the cluster from the backup service.
Procedure
Log in to AOC, click Settings on the Backup & DR page to enter the function management page.
Select a deployed backup service, click Associated cluster.
Click Edit associations, and in the pop-up operation page, click ×
next to the cluster name to disassociate.
Click Save.