Promise Technology Network Device EX8654 - Manual (Page 248)

SuperTrak EX Series User Manual
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RAID 6
Recommended applications for RAID 6:
•
Accounting/Financial
• Database servers
• Any application requiring very high availability
RAID 10
Recommended applications for RAID 10:
•
Imaging applications
• Database servers
• General fileserver
Advantages Disadvantages
High Read data transaction rate
Medium Write data transaction rate
Good aggregate transfer rate
Safest RAID level High physical drive overhead –
equivalent of two drives used for parity
Slightly lower performance than RAID
5
Advantages Disadvantages
Implemented as a mirrored logical
drive whose segments are RAID 0
logical drives
High I/O rates are achieved thanks to
multiple stripe segments Very high physical drive overhead –
uses only 50% of total capacity