Chapter 10

1: What is primary storage, and where is it located?
A1: Answer: Primary storage is online disk storage used by applications and systems. It is local to applications systems.
2: What is secondary storage, and where is it located?
A2: Answer: Secondary storage is used by remote copy systems to hold redundant copies of data. It can be located at the primary site or at remote secondary sites.
3: What are the three primary objectives of remote copy systems?
A3: Answer: Provide ready access to data at remote storage sites

Maintain data consistency

Resume normal operations at the primary processing site

4: How can remote copy slow down application processing?
A4: Answer: Responses from write commands can be delayed, causing an I/O bottleneck.
5: ...

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