220-802 · Question #194
When walking past a server with a RAID 5 array, a technician hears a loud clicking noise. Which of the following could MOST likely occur?
The correct answer is C. Hard drive failure. A loud, repetitive clicking noise from a hard drive is classically known as the 'click of death' - a strong indicator that a drive's read/write head is failing and the drive is about to fail. RAID 5 can tolerate a single drive failure without data loss, so the array itself (D)…
Question
When walking past a server with a RAID 5 array, a technician hears a loud clicking noise. Which of the following could MOST likely occur?
Options
- ABSOD
- BOS not found on boot
- CHard drive failure
- DRAID array failure
How the community answered
(31 responses)- B3% (1)
- C94% (29)
- D3% (1)
Explanation
A loud, repetitive clicking noise from a hard drive is classically known as the 'click of death' - a strong indicator that a drive's read/write head is failing and the drive is about to fail. RAID 5 can tolerate a single drive failure without data loss, so the array itself (D) may not fail immediately, but the individual drive is most immediately at risk. A BSOD (A) or 'OS not found' (B) are possible downstream consequences but are not the most direct and immediate outcome of the clicking symptom.
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