Hitachi
HH0-440 · Question #117
Which three parameters indicate that LUN ownership access or changes may be causing a performance problem in an HDS modular storage system? (Choose three.)
The correct answer is A. The total cache queue drops below 100% for any 1 minute measurement period. C. IOPS are recorded to the same LUN from different controllers over several measurement D. The LUN C-CTL value does not match the D-CTL value. See the full explanation below for the reasoning.
Question
Which three parameters indicate that LUN ownership access or changes may be causing a performance problem in an HDS modular storage system? (Choose three.)
Options
- AThe total cache queue drops below 100% for any 1 minute measurement period.
- BThe cache free queue drops below 100% for any 1 minute measurement period.
- CIOPS are recorded to the same LUN from different controllers over several measurement
- DThe LUN C-CTL value does not match the D-CTL value.
- EThe Cache Write Pending level is at a high threshold level.
How the community answered
(49 responses)- A71% (35)
- B10% (5)
- E18% (9)
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