HAT-680 · Question #34
You want to group volumes together on a VSP storage system using LUSE. What is the maximum number of volumes that would be grouped together?
The correct answer is C. 36. On Hitachi VSP storage systems, LUSE (Logical Unit Size Expansion) allows you to concatenate multiple LDEVs (logical devices) into a single, larger logical unit, and the hard limit imposed by the VSP architecture is 36 volumes per LUSE group - making C correct. Why the…
Question
You want to group volumes together on a VSP storage system using LUSE. What is the maximum number of volumes that would be grouped together?
Options
- A16
- B32
- C36
- D60
How the community answered
(38 responses)- B3% (1)
- C92% (35)
- D5% (2)
Explanation
On Hitachi VSP storage systems, LUSE (Logical Unit Size Expansion) allows you to concatenate multiple LDEVs (logical devices) into a single, larger logical unit, and the hard limit imposed by the VSP architecture is 36 volumes per LUSE group - making C correct.
Why the distractors are wrong:
- A (16) and B (32) are plausible powers-of-two guesses but don't match the VSP specification; 32 is a common limit in other storage contexts, making it a tempting trap.
- D (60) exceeds the actual ceiling and may be confused with other VSP capacity or port limits.
Memory tip: Think "3 dozen" - 36 = 3 × 12, and LUSE triples a standard dozen. If you remember it's slightly above 32 (not a power of two), you'll avoid the most common wrong answer.
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