Raid 5; Raid 10; Jbod - Promise Technology dc5750 - Microtower PC User Manual

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RAID 5

High Read data transaction rate
Medium Write data transaction rate
Good aggregate transfer rate
Recommended Applications for RAID 5
File and Application servers
WWW, E-mail, and News servers

RAID 10

Implemented as a mirrored logical drive
whose segments are RAID 0 logical
drives
High I/O rates are achieved thanks to
multiple stripe segments
Recommended Applications for RAID 10
Imaging applications
Database servers
General fileserver

JBOD

Easy management of multiple
independent disk drives
Recommended Applications for JBOD
Non-critical file storage
Swappable data storage
Advantages
Advantages
Advantages
Disadvantages
Disk failure has a medium impact on
throughput
Intranet servers
Most versatile RAID level
Disadvantages
Very high disk overhead - uses only
50% of total capacity
Disadvantages
No increase in perfomance, capacity or
fault tolerance.
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