The simplest, but most expensive, approach to introductory redundancy is…
2013
The simplest, but most expensive, approach to introductory redundancy is duplicate to every disk. This technique is called
- A.
Swap space
- B.
Mirroring
- C.
Page slots
- D.
None of these
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Show answer & explanation
Correct answer: B
Answer: Mirroring (also called shadowing) — maintaining an exact duplicate of each disk. How it works: Every write is duplicated so each disk holds an identical copy of the data.