Raid 10 - Mirror / Stripe - Promise Technology 1000f series Product Manual
Fc, iscsi, sas external disk array subsystems
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- Product manual (28 pages) ,
- Product manual (438 pages) ,
- Quick start manual (472 pages)
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VessRAID 1000f, 1000i, 1000s Product Manual
RAID 10 – Mirror / Stripe
Mirror + Stripe combines both of the RAID 1 and RAID 0 logical drive types.
RAID 10 can increase performance by reading and writing data in parallel or
striping, while protecting data by duplicating it or mirroring.
Promise implements RAID 10 by creating a data stripe over one pair of disk
drives, then mirroring the stripe over a second pair of disk drives. Some
applications refer to this method as RAID 0+1.
Figure 6. Promise RAID 10 starts with a data stripe, then mirrors it
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.
1. Data Stripe
Disk Drives
336
2. Data Mirror
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