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SnapScale/RAINcloudOS 4.1 Administrator’s Guide
C - Troubleshooting
Performing System Resets Without Network Access
Should Web Management Interface access to the cluster be lost, the
Reset
button can be used
to reset cluster settings and reestablish connectivity. This option is also useful should you
forget the admin password.
Verify that the cluster 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 the
Reset
button.
The system will go through a normal shutdown process and then reboot. As a part of the reset
and reboot process, the SnapScale does the following:
•
Clears user-defined TCP/IP settings such as DHCP configuration.
•
Resets the cluster name to its default setting (
Scale
<server_number>).
•
Resets network speed and bonding settings to their defaults.
•
Resets the Administrator password to the default (
admin
).
•
Resets the web server to allow HTTP access.
Networking Issues
These are some of the networking issues you may encounter when using your SnapScale
cluster.
The Server Cannot Be Accessed Over 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 cluster 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 cable,
or poor connections in the port connector.
•
This problem may also be caused by a mismatch between the settings on the switch
or hub and the settings on the SnapScale Ethernet port. These settings must match.
To resolve the problem, make sure the port settings on the hub or switch match the
settings for the primary port as configured on the
Network > TCP/IP
page of the Web
Management Interface. Use the autonegotiate setting on both the switch and the
server port.
You Have No Access to SnapScale via HTTP
When trying to access the SnapScale via HTTP, the Web browser times out. However, the
cluster can be accessed using the ping command or Windows Explorer.
•
HTTP and HTTPS are both enabled by default. Try typing HTTPS in the Web address
rather than HTTP. If you are able to access the cluster via HTTPS, you can re-enable
HTTP on the
Network > Web
page.
•
If you cannot access the cluster via HTTPS, try resetting the cluster as described on
