98
Troubleshooting and problem solving
Figure 75 LEDs: Drive carrier LEDs (SFF and LFF modules)
IOM LEDs
IOM LEDs pertain to controller modules and expansion modules, respectively. Expansion enclosures are supported
for optionally adding storage. See also
“12Gb/s controller module LEDs” (page 43)
Controller module LEDs
Disk Activity LED
(Green)
Disk Fault LED
(Amber)
Status/condition
*
Off
Off
Off (disk module/enclosure)
Off
Off
Not present
Blink off with activity
Blinking: 1s on/1s off
Identify
1 down: Blink with
activity
2 down: Off
On
Drive link (PHY lane) down
On
On
Fault (leftover/failed/locked-out)
Blink off with activity
Off
Available
Blink off with activity
Off
Storage system: Initializing
Blink off with activity
Off
Storage system: Fault-tolerant
Blink off with activity
Off
Storage system: Degraded (not critical)
Blink off with activity
Blinking: 3s on/1s off
Storage system: Degraded (critical)
On
Off
Storage system: Quarantined
Blink off with activity
Blinking: 3s on/1s off
Storage system: Offline (dequarantined)
Blink off with activity
Off
Storage system: Reconstruction
Blink off with activity
Off
Processing I/O (whether from host or internal activity)
*If multiple conditions occur simultaneously, the LED state will behave as indicated by the condition listed earliest in the
table, as rows are read from top to bottom.
Table 15 Controller module LED states
CRU OK
(Green)
CRU Fault
(Amber)
External host
port activity
(Green)
Status
On
Off
Controller module OK
Off
On
Controller module fault – see
Off
No external host port connection
On
External host port connection – no activity
Содержание ThinkSystem D3284
Страница 136: ...136 Module removal and replacement 5 Pull the DDIC upwards and out of the drawer slot Figure 96 Removing a DDIC 2 of 2 ...
Страница 145: ...Replacing an IOM 145 5 Reconnect the cables 6 See Verifying component operation page 132 ...
Страница 152: ...152 Standards and regulations Taiwan BSMI RoHS declaration ...