Checking The Controller Leds - Sun Microsystems Sun StorEdge A3500 Manual

TABLE 4-1
LED Type
Fan Fault
Controller Fault
Fast Write
4.1.2

Checking the Controller LEDs

1. Remove the front panel from the controller module.
See Section 5.1.1 "Removing the Front Panel" on page 5-2.
2. Check the LEDs on both controllers (
See
TABLE 4-2
Note – During normal operation, you will see green LEDs glowing or blinking on
the controller module. The number and pattern of green status LEDs lit on the
controllers depends on how your system is configured. An active controller does not
have the same status LEDs lit as a passive controller. See
interpretation of the controller status LED activity.
3. Replace the front panel.
See the procedure Section 5.1.2 "Replacing the Front Panel" on page 5-3.
4-4 Sun StorEdge A3500/A3500FC Controller Module Guide • August 1999
Front Panel LEDs Under Normal Operating Conditions
Color State
Amber Off
Amber Off
Green Blinking
for LED status under normal operating conditions.
Description
If lit, controller fan requires troubleshooting.
See .
TABLE 4-8
If lit, one or both controllers require
troubleshooting. See
TABLE 4-8
Fast Write operation in progress. (If not lit,
Fast Write activity is complete.)
).
FIGURE 4-2
TABLE 4-3
.
for an