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A systems administrator hears a clicking noise coming from a storage array that has a RAID configuration_ No LEOS are illuminated on the array but the logs show several hard drive errors. Which of the following should the systems administrator do to quickly eliminate the clicking?
Correct Answer: B
Explanation The correct answer is B. Replace the bad drive. A clicking noise coming from a hard drive is a sign of a mechanical failure, which can cause data loss or corruption. Replacing the bad drive as soon as possible is the best way to prevent further damage and restore the RAID array to a healthy state. Reinstalling the drive, resetting the RAID software, or running a chkdek on the drive will not fix the underlying hardware problem and may even worsen the situation. Therefore, option B is the correct answer. References: CompTIA A+ Core 1 (220-1101) Certification Study Guide, page 131: "Clicking noises indicate that the hard drive is failing mechanically." RAID configuration on Linux - Amazon Elastic Compute Cloud, section "Replace a failed volume in a RAID 0 array": "If one of the volumes in your RAID 0 array fails, you must replace it as soon as possible to avoid data loss."