Maximum and default RAID group sizes vary according to the storage system model, level of RAID group protection provided, and the types of disks used in the RAID group. Generally, you should use the default RAID group sizes.
Table 1. RAID group sizing for RAID-DP groups| Disk type |
Minimum group size |
Maximum group size |
Default group size |
|---|
| ATA or SATA |
3 |
16 |
14 |
| FC or SAS |
3 |
28 |
16 |
Table 2. RAID group sizing for RAID4 groups
| Storage system model |
Minimum group size |
Maximum group size |
Default group size |
|---|
| FAS250 |
2 |
14 |
7 |
| All other models using ATA or SATA disks |
2 |
7 |
7 |
| All other models using FC or SAS disks |
2 |
14 |
8 |
