Dot Hill Systems SANnet II 200, Installation, Operation And Service Manual

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Chapter 5 Checking LEDs 5-5
Note –
Whenever media scan is running on a drive, its front-panel LED flashes green.
It is normal for almost all front-panel drive LEDs to flash green unless media scanning
is terminated. For more information, refer to the
SANnet II Family RAID Firmware
User’s Guide .
5.3 Back-Panel LEDs
The back-panel LED colors indicate the conditions described in the following figures
and tables. The following figure is the back-panel with LEDs.
Figure 5-3 Back-Panel LEDs
If you see a blinking green or amber LED, you might have an incorrect configuration
or a failed component.
Note –
To test that the LEDs work, using a paperclip, press and hold the Reset button
for 5 seconds. All the LEDs should change from green to amber when you perform this
test. Any LED that fails to light indicates a problem with the LED. When you release
the Reset button, the LEDs return to their initial state.
Amber Predicted fault The disk drives perform predictive failure
(SMART) analysis, and encounter a predicted
failure.
Amber Drive fault A drive fails.
Amber Identify The SANscape CLI
set led
command is run,
or the firmware application, “Flash All Drives”
option is used.
Table 5-4 Drive LED Status
LED Status Event Description
I/O module
Power/fan module Controller module
Event-monitoring unit (EMU)