A customer has a mission critical application which requires 16 CPUs and is running in a two cell
nPar. Other configuration information includes: single I/O chassis, mirrored root disks, 1000baseT
NICs with APA, multiple FC HBAs with PVlinks redundancy. What is the first step to take to
increase single nPar availability?

A.
add redundant power supplies for the nPar

B.
add redundant fans and blowers for the nPar

C.
add Serviceguard clustering of the application

D.
add redundant power supplies for the I/O chassis

E.
add an additional I/O chassis and mirror across the chassis