A dual-controller, active/active storage array is servicing I/O for 10 mission-critical systems.
Controller A loses power and fails and all traffic is immediately routed to controller B and all
pending writes from controller A have been committed to disk without issue. Which of the following
features describes this functionality?
A.
Battery backed cache
B.
Data Mirroring
C.
Cache Mirroring
D.
Disk Mirroring