Raid 6; Raid 10; Raid 30 - Promise Technology 1000f series Product Manual

VessRAID 1000f, 1000i, 1000s Product Manual

RAID 6

High Read data transaction rate
Medium Write data transaction rate
Good aggregate transfer rate
Safest RAID level, except for RAID 60
Recommended Applications for RAID 6
• Accounting and Financial
• Database servers
• Any application requiring very high availability

RAID 10

Implemented as a mirrored disk array
whose segments are RAID 0 disk
arrays
High I/O rates are achieved thanks to
multiple stripe segments
Recommended Applications for RAID 10
• Imaging applications
• Database servers
• General file server

RAID 30

Good for large files with high transfer
rates where extra fault tolerance is also
required
Recommended Applications for RAID 30:
• File and Application server
• Multimedia production
• Video editing
Advantages
Advantages
Advantages
Disadvantages
High disk overhead – equivalent of two
drives used for parity
Slightly lower performance than RAID 5
Disadvantages
Very high disk overhead - uses only
50% of total capacity
Disadvantages
Random write performance only fair.
Disk failure has a medium impact on
throughput
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