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EonStor A12U/A08U-G2421 Installation and Hardware Reference Manual
3.2.5 Drive Tray LEDs
Two LED indicators are located on the right side of each drive tray. (See Figure 3- 4)
Refer to Table 3- 5 for LED definitions. When notified by a drive failure message,
you should check the drive tray indicators to find the correct location of the failed
drive. Replacing the wrong drive can cause fatal failure of a logical array.
Figure 3- 4: Drive Tray LEDs
LED Name Color Status
Drive Busy
Blue
ON indicates read/write activity on the drive.
OFF indicates there is no read/write activity on the drive.
Power
Status
Red/
Green
GREEN indicates that power is being supplied to the
drive.
OFF indicates no power is being supplied to the drive or
the drive tray is not properly installed. .
RED indicates drive failure or faults have occurred.
Table 3- 5: Drive Tray LED Definitions
3-6
Status-indicating LEDs