A server administrator is notified that all three hard disks in a server array have failed.
Which of the following is the MOST likely cause?
Click on the arrows to vote for the correct answer
A. B. C. D.B.
If all three hard disks in a server array have failed, the most likely cause would be a backplane failure. A backplane is a circuit board that connects the hard drives to the motherboard or RAID controller, and if it fails, it can cause all the hard drives in the array to fail.
Option A, incompatible BIOS, is unlikely to be the cause of all three hard disks failing at once. BIOS settings can affect the performance of hard drives, but it is unlikely that they would cause all the hard drives in an array to fail simultaneously.
Option C, cache battery failure, may cause data loss or corruption but would not cause all the hard disks in an array to fail at the same time.
Option D, incorrect firmware version, may cause performance issues or compatibility problems but would not cause all the hard disks in an array to fail at once.
In summary, backplane failure is the most likely cause of all three hard disks in a server array failing simultaneously.