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PRODUCT OVERVIEW
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WD SENTINEL DX4000
ADMINISTRATOR’S GUIDE
LEDs
The LEDs on the Sentinel work in conjunction with the LCD display to further identify the
status of the unit.
LED Color State Description
Power LED Blue Flashing WD Sentinel server is currently booting the software.
Blue Solid WD Sentinel server has successfully booted the
software and is operational.
Red Flashing Indicates that a serious fault has occurred and needs
immediate attention. The LCD displays the fault
condition.
Drive LEDs Black Off If the LED is off while other drive LEDs are on, no drive
is installed in the bay.
Blue Flashing Drive is currently active. Note that all lights in a RAID
system are active at the same time by design.
Red Solid Indicates drive failure. The LCD also displays "Storage
Degraded." Replace this drive as soon as possible.
The system is no longer RAID protected until the drive
is replaced and the RAID structure is repaired.
Ethernet Port
Left LED (on
back of server)
Green/Amber Solid The left LED indicates the connection speed of the
network connection:
• Green indicates a 1000 Mb connection
• Amber indicates a 100 Mb connection
Ethernet Port
Right LED (on
back of server)
Green Blinking Indicates link activity.