User's Guide

Chapter 2 Basic Operations
DX-Series Storage Array Operations
Quantum DX-Series User’s Guide 24
Table 4 RAID Controller LED
Descriptions
LED On/Flash/Off Description
1: Controller
Ready -
Green
On Indicates that the RAID
controller is active and operating
properly.
Flashing The RAID controller is
initializing.
Off The RAID controller is not ready
for operation.
2: Host
Active -
Green
Flashing There is activity on the host
ports.
Off There is no activity on the host
ports.
3: Drive
Busy - Green
Flashing There is activity on the drive
ports.
Off There is no activity on the drive
ports.
4: Partner
Failed
(DX100
only) -
Amber
On Indicates that the partner
controller in a redundant
controller subsystem has failed.
Off The partner controller is
operating correctly.
5: Cache
Dirty -
Amber
On Indicates that data is currently
being cached in memory or is
being held up by the BBU during
a system power loss.
6: BBU Fault
- Amber
On The BBU cannot sustain the
cache memory. BBU may also be
missing.
Off The BBU is able to sustain the
cache memory.
Flash The BBU is charging.