Overland Storage REO 9000 - Manual (Page 136)

136 X Basic Troubleshooting
Overland Storage REO 9000 with ProtectionPAC Software
Rebuilding a Volume (RAID 5 Without Hot Spare)
When an issue arises with a disk in a RAID 5 configuration, the disk in
question moves to the FREE DRIVE POOL section and the volume has a
Status of DEGRADED.
To test the disk by forcing a rebuild
1 Make sure that none of the initiators (servers) have active connections
with the REO Appliance.
The disk with an
issue moves here.
The volume is placed
in a degraded state.