User manual

Appendix A: RAID
85
Supported RAID Levels
Type Name
Min. No.
of drives
Promise
Product
JBOD Single Drive 1
RAID 0 Striping 2
RAID 1 Mirroring 2
RAID 3
Block Striping with Parity
Drive
3
RAID 5 Block and Parity Striping 3
RAID 0+1 Striping / Mirroring 4
SuperTrak:
SX6-100
SX6000
UltraTrak:
All models
RAID 30
Striping of Dedicated
Parity Arrays
6
RAID 50
Striping of Distributed
Parity Arrays
6
UltraTrak:
SX/RM8000
RM15000
Table 2. RAID Levels for Promise Products.
Number of Disk Drives
Number of Hard Drives
RAID
Configuration
Minimum Maximum
JBOD (Single Drive) 1 15
RAID 0 2 15
RAID 1 2 2
RAID 3 3 15
RAID 5 3 15
RAID 0+1 4 14
RAID 30 6 15
RAID 50 6 15
Table 3. Minimum and maximum drive numbers of RAID Levels on
Promise products.