December 2004
Beginner
480 pages
11h 54m
English
book
Storage Networking Fundamentals: An Introduction to Storage Devices, Subsystems, Applications, Management, and Filing Systems
by Marc Farley
Content preview from Storage Networking Fundamentals: An Introduction to Storage Devices, Subsystems, Applications, Management, and Filing Systems
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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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