PRODUCT OVERVIEW
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 |
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Power LED | Blue | Flashing | WD Sentinel server is currently booting the software. |
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| Blue | Solid | WD Sentinel server has successfully booted the |
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| software and is operational. |
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| Red | Flashing | Indicates that a serious fault has occurred and needs |
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| immediate attention. The LCD displays the fault |
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| condition. |
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Drive LEDs | Black | Off | If the LED is off while other drive LEDs are on, no drive |
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| is installed in the bay. |
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| Blue | Flashing | Drive is currently active. Note that all lights in a RAID |
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| system are active at the same time by design. |
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| Red | Solid | Indicates drive failure. The LCD also displays "Storage |
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| Degraded." Replace this drive as soon as possible. |
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| The system is no longer RAID protected until the drive |
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| is replaced and the RAID structure is repaired. |
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Ethernet Port | Green/Amber | Solid | The left LED indicates the connection speed of the |
Left LED (on |
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| network connection: |
back of server) |
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| • Green indicates a 1000 Mb connection |
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| • Amber indicates a 100 Mb connection |
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Ethernet Port | Green | Blinking | Indicates link activity. |
Right LED (on |
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back of server) |
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WD SENTINEL DX4000 | 12 |
ADMINISTRATOR’S GUIDE |
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