6. Press firmly on the both the left and right edges of the drive with both thumbs. Applying this
pressure ensures that the drive is fully engaged, even if no movement of the drive is felt.
7. After the failed disk is replaced, the green and red LEDs on the new disk start to blink and the
audible alarm is silenced, indicating that the mirror is rebuilding. Once the rebuild is complete,
the red LED goes off.The front bezel can then be replaced.
2.1.2 Replacing an SM5000 Power Supply
The SM5000 has two hot-swappable redundant power supplies. If a single power supply fails,
the redundant feature allows the other module to take over the full load, and the system runs
without interruption. The failed power supply can be removed and a replacement power supply
installed without removing the SM5000 from the rack, powering down, or even exiting the SM5000’ s
administrative web interface.
Hardware Configuration
On the SM5000, the two power supplies are located on the left side of the rear of the appliance.
In normal operation, the "Power Indicator" LED on the front panel is green , as are the "Power
Supply Status" LEDs on the back of the SM5000 for each power supply , which are shown in
the graphics below.
18 | Getting Started | Sophos Web Appliance
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