Item
Name
Panel
Description
– Amber (flashing) — Arrays in impacted
state
•
Cable Fault
– Amber — Cable fault
3
Drawer-specific
left and right side
expansion
enclosure activity
indicators
Activity Bar Graph
— Six variable-intensity
LEDs dynamically displaying access of the
drives in that specific drawer
4
Status indicator
for storage
system
•
Unit ID Display
— Numerical display
primarily used to display the unit
identification number
•
Input Switch
— Not used
•
Power On/Standby
– Off — Expansion enclosure does not
have power
– Green — Expansion enclosure is on
(operational)
– Amber — Expansion enclosure is in
standby mode (not operational)
•
Module Fault
– Amber — Hardware fault (an LED may
be lit on a PSU, drawer, DDIC, fan
module, or I/O module indicating the
part at fault)
•
Logical Status
:
– Amber — Change of status or fault from
something other than the storage
system itself (this status is typically
associated with a disk drive as indicated
by its own fault LED)
•
Drawer 1 Fault
– Amber — Drive, cable, or sideplane fault
has occurred in drawer 1
•
Drawer 2 Fault
– Amber — Drive, cable, or sideplane fault
has occurred in drawer 2
30
About the SC4020 Storage System
