Table A-2: Specifications - Raid Configurations - NEC Storage M100 Series User Manual

User Guide
Specifications of the RAID configurations are shown below.
RAID type
RAID-10
RAID-50
RAID-60
RAID-TM
 It is recommended that you use disk drives of the same capacity and rotational frequency for
RAID systems.
 D refers to data disk; P and Q refer to parity disks.
 n is an integer greater than 1.
Release 6.0

Table A-2: Specifications - RAID Configurations

RAID components
(1D+1D)× n
(2D+P)× n
(4D+P)× n
(8D+P)× n
(4D+PQ)× n
(8D+PQ)× n
1D+1D+1D
Number of disk drives
2 or more
3 or more
5 or more
9 or more
6 or more
10 or more
3
306
Appendix A Specifications
Storage efficiency
50%
66%
80%
88%
66%
80%
33%