An organization has a five-node standard Isilon cluster. Due to regulatory requirements,
they need to build a compliance mode cluster using the existing production hardware. How
can this be achieved?

A.
Perform an in-place upgrade of the standard cluster to a compliance mode cluster

B.
SmartFail two of the nodes and use them to build a new compliance mode cluster

C.
Add the SmartLock license to the existing cluster and create some compliance mode
directories

D.
Purchase a new cluster as there is no way to upgrade an existing cluster or reformat
nodes