How to Manually Deactivate a High Available cluster volume group?

Follow the below steps 

unmount all filesystem assocated with the VG:

#umount <mount_point>

deactivate the cluster VG:

#vgchange –a n HAVG_<vgname>

Remove all hostname tags from the VG:

#vgchange –-deltag <server_name>.testdoamin.com HAVG_<vgname>