Which of the following descriptions about the technical characteristics of pre-copying is correct? (Multiple choice)

The correct answer is A. Reduce the occurrence of refactoring, B. Improve RAID reliability. D. When the number of errors of the suspected failed disk exceeds the preset threshold. See the full explanation below for the reasoning.

Question

Options

AReduce the occurrence of refactoring,
BImprove RAID reliability.
CThe pre-copy needs to suspend the RAID group business access in advance
DWhen the number of errors of the suspected failed disk exceeds the preset threshold,

How the community answered

(42 responses)

A
79% (33)
C
21% (9)

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