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How to Perform a Diagnostic Reboot (CLI)
A diagnostic reboot gathers diagnostic information before power cycling the appliance. This
operation could take a long time to complete and could cause adverse results if not performed
properly. Do not reboot when system-affecting operations are occurring, such as upgrading
firmware, executing commands, and configuring or unconfiguring storage.
To perform a diagnostic reboot, use the following CLI command:
tarpon:maintenance system>
diagreboot
Configuring the Management Port
All standalone controllers should have at least one NIC port configured as a management
interface. Select the Allow Admin option in the BUI to enable BUI connections on port 215 and
CLI connections on
ssh
port 22.
All cluster installations should have at least one NIC port on each controller configured as a
management interface as described above. In addition, the NIC instance number must be unique
on each controller. For example, nodeA uses igb0 and nodeB uses igb1, so that neither may be
used as a cluster data interface. In addition, these interfaces must be locked to the controller
using the Configuration > Cluster option in the BUI. In some cases, this may require installation
of an additional network interface card on each controller in a cluster configuration.
If access to the appliance data interfaces is impossible for any reason, the management network
interface will maintain BUI and CLI access. During a cluster takeover, interfaces are taken
down on the failed controller. So, locked interface configuration is required to gather diagnostic
information from a failed controller.
Note -
Failure to configure locked management interfaces on a cluster may lead to longer than
necessary fault diagnosis and resolution times.
Using Oracle ILOM to Diagnose Hardware Faults
In rare cases, faults associated with uncorrectable CPU errors are not diagnosable or displayed
in the controller. These faults are preserved by and observable on the Oracle Integrated Lights
Out Manager (ILOM), which resides in the Service Processor (SP). Connect to the server ILOM
to diagnose hardware faults that do not appear in the BUI.
The server ILOM provides options for (i) network and (ii) serial port connectivity. Network
connection is the preferred choice because the ILOM serial port does not always allow adequate
Servicing the Hardware
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