220-1101 Question #745: Real Exam Question with Answer & Explanation

The correct answer is A: Perform a full data backup.. Upon identifying a potential cause of an issue with a RAID 5 array, especially when the array is making clicking noises that suggest a failing drive, the next critical step is to perform a full data backup. This ensures that data is preserved before any further troubleshooting st

Hardware and network troubleshooting

Question

An array is making clicking noises. An administrator identifies the potential cause of the RAID 5 issue. Which of the following steps should the administrator take next?

Options

APerform a full data backup.
BReview logs to verify the theory.
CReplace the failing drive.
DDocument the findings and outcomes.

Explanation

Upon identifying a potential cause of an issue with a RAID 5 array, especially when the array is making clicking noises that suggest a failing drive, the next critical step is to perform a full data backup. This ensures that data is preserved before any further troubleshooting steps are taken, such as replacing the failing drive. RAID 5 provides fault tolerance, but ensuring data is backed up minimizes the risk of data loss during the repair process.

Topics

#RAID troubleshooting#Data backup#Hard drive failure#Troubleshooting methodology

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