Raid 6; Raid 10 - Promise Technology Network Device EX4650 User Manual

SuperTrak EX Series User Manual

RAID 6

High Read data transaction rate
Medium Write data transaction rate
Good aggregate transfer rate
Safest RAID level
Recommended applications for RAID 6:
• Accounting/Financial
• Database servers
• Any application requiring very high availability

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
Advantages
Advantages
Disadvantages
High physical drive overhead –
equivalent of two drives used for parity
Slightly lower performance than RAID
5
Disadvantages
Very high physical drive overhead –
uses only 50% of total capacity
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