Promise Technology 2-Year Extended Warranty for VessR2000 RAID Head - Manual (Page 589)

562
Vess R2000 Series Product Manual Promise Technologies
Advantages Disadvantages
• Implemented as a mirrored disk array whose
segments are RAID 0 disk arrays
• High I/O rates are achieved thanks to multiple
stripe segments
• Very high disk overhead – uses only 50% of
total capacity
Recommended Applications for RAID 10:
• Imaging applications
• Database servers
• General fileserver
The data capacity RAID 10 logical drive equals the capacity of the smallest physical drive times the number of
physical drives, divided by two.
In some cases, RAID 10 offers double fault tolerance, depending on which physical drives fail.
RAID 10 arrays require an even number of physical drives and a minimum of four.
For RAID 10 characteristics using an odd number of physical drives, choose RAID 1E.