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 9
| 1: | What does RAID stand for? |
| A1: | Answer: Redundant array of inexpensive disks |
| 2: | What kinds of storage entities can be members of a RAID array? |
| A2: | Answer: Any storage address space: Devices, subsystems, SCSIlogical units, and volumes |
| 3: | True or false: RAID members have to be the same size. |
| A3: | Answer: True |
| 4: | What is the Boolean function used in parity RAID? |
| A4: | Answer: XOR |
| 5: | What is the purpose of parity with RAID? |
| A5: | Answer: Parity RAIDprovides efficient data redundancy. |
| 6: | Describe the difference between strips and stripes. |
| A6: | Answer: Strips are written to individual members, and stripes are all the related strips with a common parity value. |
| 7: | What is the best possible MTDL in a RAID 5 array? |
| A7: | Answer: MTBF+ MTBF/2, using the MTBFspecification ... |
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