Hitachi
HH0-220 · Question #45
Which method is used by Hitachi Unified Storage (HUS) systems to protect against loss of data in cache should a total power failure occur?
The correct answer is C. The battery power de-stages data in cache to on-board Flash memory. See the full explanation below for the reasoning.
Question
Which method is used by Hitachi Unified Storage (HUS) systems to protect against loss of data in cache should a total power failure occur?
Options
- AThe battery power de-stages data in cache to an on-board SSD drive.
- BThe HUS uses non-volatile cache so data is always protected.
- CThe battery power de-stages data in cache to on-board Flash memory.
- DThe HUS mirrors all cache writes to on-board SSD drives.
How the community answered
(28 responses)- A4% (1)
- B4% (1)
- C82% (23)
- D11% (3)
Community Discussion
No community discussion yet for this question.