Which processes should be used when testing controller failover on a newly installed Storage Center?
A . Start server IO to a volume, restart a controller, then rebalance ports and ensure no IO errors.
B . Start server IO to a volume, restart either controller, and ensure no IO errors are reported.
C . Start server IO to volumes owned on each controller, restart the controllers sequentially, and ensure no IO error.
D . Start server IO to volumes owned on each controller, restart the controllers simutaneously. and ensure no IO error.
Answer: D