Promise Technology EX8650 User Manual
SuperTrak EX Series User Manual
170
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
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
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
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
uses only 50% of total capacity