Promise Technology EX8650A Manual De Usuario
Chapter 6: Technology Background
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RAID 50
Recommended applications for RAID 50:
•
•
File and Application Servers
•
Transaction Processing
•
Office applications with many users accessing small files
RAID 60
Recommended Applications for RAID 60:
•
•
Accounting and Financial
•
Database servers
•
Any application requiring very high availability
Advantages
Disadvantages
High Read data transaction rate
Good write data transaction rate
Very good aggregate transfer rate
Most versatile RAID level
Good write data transaction rate
Very good aggregate transfer rate
Most versatile RAID level
Physical drive failure has a moderate
impact on throughput
impact on throughput
Advantages
Disadvantages
High Read data transaction rate
Medium Write data transaction rate
Good aggregate transfer rate
Safest RAID level
Medium Write data transaction rate
Good aggregate transfer rate
Safest RAID level
High disk overhead – equivalent of two
drives used for parity
Slightly lower performance than RAID
50
drives used for parity
Slightly lower performance than RAID
50