Making switched logical units (LUNs) available and unavailable
You can select an independent disk pool to make it unavailable or available. You cannot access any of the disk units or objects in the independent disk pool or its corresponding database until it is made available again. The pool can be made available again on the same system or another system in the recovery domain of the cluster resource group.
An independent disk pool can be made unavailable by varying it off. Access to any of the disk units or objects in the independent disk pool or its corresponding database are not available, until they are varied on. The pool can be made available on the same system or another system in the recovery domain of the cluster resource group.