A storage area network (SAN) was inadvertently powered off while power maintenance was being performed in a datacenter. None of the systems should have lost all power during the maintenance. Upon review, it is discovered that a SAN administrator moved a power plug when testing the SAN’s fault notification features.
Which of the following should be done to prevent this issue from reoccurring?
A . Ensure both power supplies on the SAN are serviced by separate circuits, so that if one circuit goes down, the other remains powered.
B . Install additional batteries in the SAN power supplies with enough capacity to keep the system powered on during maintenance operations.
C . Ensure power configuration is covered in the datacenter change management policy and have the SAN administrator review this policy.
D . Install a third power supply in the SAN so loss of any power intuit does not result in the SAN completely powering off.
Answer: A
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