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FastTrak SX4100 User Manual
RAID 1
Simplest RAID storage subsystem
design
Can increase read performance by
processing data requests in parallel
since the same data resides on two
different drives
Recommended Applications for RAID 1
•
Accounting
•
Payroll
•
Financial
•
Any application requiring very high availability
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
•
Intranet servers
•
Most versatile RAID level
Advantages
Advantages
Disadvantages
Very high disk overhead - uses only
50% of total capacity
Disadvantages
Disk failure has a medium impact on
throughput
40
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