An emergency power off accidentally occurs in a datacenter during a fire alarm test. On recovery, the server administrator notices that an external storage array is performing consistency checks on all the volumes configured in the array. Which of the following components of the storage array has MOST likely failed or faulted?
A) Redundant controller
B) Cold spare drive
C) Battery backed cache
D) Cache memory modules

Question

Quizplus · Accepted Answer

The battery backed cache is responsible for preserving data in the event of a power failure. If it fails, the storage array would need to perform consistency checks to ensure data integrity after power is restored.

An Emergency Power Off Accidentally Occurs in a Datacenter During