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Chapter 7: Technology Background
215
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 disk
array
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 disk array
whose segments are RAID 0 disk
arrays
High I/O rates are achieved thanks to
multiple stripe segments
Very high disk overhead - uses only
50% of total capacity