NEC Express5800 Series EXP320B - Manual (Page 221)

Installing and Using Utilities 5-37
When one hard disk with problem was disconnected, SCSI slot changes the status to
"Warning.”
[SCSI Slot] o [General]
IMPORTANT:
The status color of the SCSI slot differs depending on the connection of mirrored
hard disks:
„ If one of the mirrored disks was removed: Warning
„ If both of the mirrored disks were removed: Gray
Also, at this time, the redundant status of mirrored disks is changed to "Warning.”
[Mirror]