Number Of Disks Supporting Each Raid Mode; Hdd Slot Number - Sabio DM4 User Manual

NUMBER OF DISKS SUPPORTING EACH RAID
MODE
RAID Modes
(Mirroring)
RAID 5 + HotSpare

HDD SLOT NUMBER

It is highly recommended to place the HDDs into the RAID System in order,
from 1 through 4, consistently starting with slot "1" (indicated as "HDD 1").
RAID 0
(Striping)
RAID 1
RAID 5
RAID 0+1
4
3
2
1
Number of Disk in RAID
2 or 4
2
3 or 4
4
4
28