SimpleTech fv-u35 User Guide

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Using the Duo Pro
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LED Behavior (Front Panel) 
The front panel contains the LED status indicator.
LED Behavior (Front Panel)
The upper LED on the front panel of the drive has two states:
Steady white glow
: The drive is on and ready for use
Blinking
: The drive is active (read, write, rebuild)
The lower LED on the front panel of the drive has two states:
Steady red glow
: Single drive failure (only applicable when drive is 
configured for RAID 1 mirroring)
Off
: Normal operation
LED Status
Steady White Glow:  Ready
Blinking:  Drive active (read/write)
LED Status
Off: Normal
Red:  Single drive failure (RAID 1)
Front Panel View