Raid 50; Raid 60 - Promise Technology Network Device EX4650 User Manual

RAID 50

High Read data transaction rate
Good write data transaction rate
Very good aggregate transfer rate
Most versatile RAID level
Recommended applications for RAID 50:
• File and Application Servers
• Transaction Processing
• Office applications with many users accessing small files

RAID 60

High Read data transaction rate
Medium Write data transaction rate
Good aggregate transfer rate
Safest RAID level
Recommended Applications for RAID 60:
• Accounting and Financial
• Database servers
• Any application requiring very high availability
Advantages
Advantages
Chapter 7: Technology Background
Disadvantages
Physical drive failure has a moderate
impact on throughput
Disadvantages
High disk overhead – equivalent of two
drives used for parity
Slightly lower performance than RAID
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