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SPARC T8-1 Server Service Manual

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Updated: January 2022

SPARC T8-1 Server Service Manual

Document Information

Using This Documentation

Identifying Components

Detecting and Managing Faults

Checking for Faults

Log In to Oracle ILOM (Service)

Identify Faulted Components

Identify Disabled Components

Component Names Displayed by Diagnostic Software

Interpreting LEDs

Front Panel Controls and LEDs

Rear Panel Controls and LEDs

Performing Advanced Troubleshooting

Check the Message Buffer

View Log Files (Oracle Solaris)

View Log Files (Oracle ILOM)

Oracle ILOM Properties That Affect POST Behavior

Clear a Fault Manually

Preparing for Service

Servicing Drives

Servicing Fan Modules

Servicing Power Supplies

Servicing Memory Risers and DIMMs

Servicing PCIe Cards

Servicing the eUSB Drive

Servicing the Battery

Servicing the SPM

Servicing the Motherboard

Servicing the Drive Backplane

Returning the Server to Operation

Language:

Check the Message Buffer

The dmesg command checks the system buffer for recent diagnostic messages and displays the messages.

Log in as an Oracle Solaris OS superuser.

Type:
```
# dmesg
```

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