Maintenance Mode; Networking Issues - Overland Storage SnapServer Administrator's Manual

SnapServer GuardianOS 7.2 Administrator's Guide
On the SnapServer DX1, the Reset button is accessed via a small hole next to the Power
button on the front of the server at the top. On the DX2, the hole is located at the bottom of
the Power panel on the right flange. Verify that the server is fully booted (as indicated by the
system/status LED). Using the end of a straightened paper clip or the fine point of an
instrument, press in and hold the Reset button for a few seconds.
The system will reboot after about a minute. As a part of the reset and reboot process, the
SnapServer does the following:
• Clears user-defined settings such as DHCP configuration.
• Resets the server name to its default setting (
• Resets network speed and bonding settings to their defaults.
• Resets the Administrator password to the default (
• Resets the web server to allow http access.

Maintenance Mode

The SnapServer may enter Maintenance Mode (system/status LED blinking amber and
green) when GuardianOS has been compromised and is in need of repair or reinstallation.
The two functions available in Maintenance Mode should only be used under the direction of
Overland Technical Support:
• Repair – Reapplies the GuardianOSImage
• Fresh install – Reinstalls GuardianOS, overwriting any previous configurations and
destroying all disk partitions.
of GuardianOS. Failure to follow this guideline can result in total failure of the SnapServer to
start, even into Maintenance Mode. The Fresh install option should only be performed with
the same version of GuardianOS currently installed on the SnapServer, and only under the
direction of Overland Technical Support.
NOTE: To install GuardianOS, you must obtain the appropriate GuardianOS image file. This file is

Networking Issues

These are some of the networking issues you may encounter when using your SnapServer.
The Server Cannot Be Accessed over the Network
Inaccessibility may be caused by a number of reasons. To resolve this issue, use one of the
following methods:
• Verify that you have the correct IP address of the server, and try to connect again.
• Verify that the LED for the primary Ethernet port is lit. (This light indicates network
connectivity.) If the light is not lit, perform the following:
• The most likely cause is the physical connection. Check for a loose or damaged
10400317-003 05/2012
CAUTION: Because of significant changes introduced in GuardianOS 7.2, a fresh install
of GuardianOS 7.2 should not be performed on a SnapServer running an older version
available for download by entitled users from the SnapServer support site:
http://docs.overlandstorage.com/SnapServer
cable, or poor connections in the port connector.
©2010-12 Overland Storage, Inc.
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