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Chapter 7: Technology Background
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RAID 3
Recommended Applications for RAID 3
•
Image Editing
•
Prepress Applications
•
Any application requiring high throughput
RAID 5
Recommended Applications for RAID 5
RAID 10
Recommended Applications for RAID 10
•
Imaging applications
•
Database servers
•
General fileserver
Advantages
Disadvantages
High Read data transfer rate
Disk failure has an insignificant impact
on throughput
Parity drive can become bottleneck if a
lot of data is being written to the logical
drive
Advantages
Disadvantages
High Read data transaction rate
Medium Write data transaction rate
Good aggregate transfer rate
Disk failure has a medium impact on
throughput
•
File and Application servers
•
WWW, E-mail, and News servers
•
Intranet servers
•
Most versatile RAID level
Advantages
Disadvantages
Implemented as a mirrored logical drive
whose segments are RAID 0 logical
drives
High I/O rates are achieved thanks to
multiple stripe segments
Very high disk overhead - uses only
50% of total capacity