A. patchmgr must be invoked with the -rolling argument. Each component type must be upgraded independently of the other.

B. patchmgr cannot apply updates in a rolling manner, you must manually apply patches with the dbnodeudpate and cellupdate tools if high availability is required.

C. patchmgr will apply patches in component groups consisting of 1 database server and 2 storage servers to minimize disruption.

D. patchmgr must be invoked with the -rolling argument with all database and storage servers listed in a single input file.