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 5
| 1: | List four types of connecting technologies used in storage subsystems. |
| A1: | Answer: DASbus, Fibre Channel loop, system I/O bus, and switched connections |
| 2: | Name two types of device redundancy. |
| A2: | Answer: Mirroring and parity RAID |
| 3: | True or false: Disk drives can have only a single connecting port. |
| A3: | Answer: False. Fibre Channel drives are dual-ported and SATA, and SAS drives are expected to implement dual porting also. |
| 4: | How is battery backup used in a subsystem? |
| A4: | Answer: It keeps power to volatile cache memory. |
| 5: | True or false: Temperature is never a problem for disk subsystems. |
| A5: | Answer: False. Temperature should always be monitored. |
| 6: | What form of device redundancy does not increase capacity? |
| A6: | Answer: Mirroring is a form of ... |
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