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SPARC M8 and SPARC M7 Servers Service Manual

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Updated: January 2022

SPARC M8 and SPARC M7 Servers Service Manual

Document Information

Using This Documentation

Identifying Components

Detecting and Managing Faults

Preparing for Service

Controlling the Server and Domains

Understanding Server Configurations and Failover Behavior

Servicing CMIOUs

Servicing DIMMs

Servicing PCIe Cards

Servicing Power Supplies

Servicing Fan Modules (CMIOU Chassis)

Servicing Fan Modules (Switch Chassis)

Servicing Switch Units

Servicing PDECBs

Servicing eUSB Disks

Servicing a CMIOU Chassis Fan Cable Assembly

Servicing the Front Indicator Panel

Servicing the Front Indicator Panel Cable

Servicing Power Modules

Servicing SP Trays

Servicing Batteries

Servicing the CMIOU Chassis

Servicing the Switch Chassis

Servicing SP Internal Interconnect Assemblies

Servicing Internal Interconnect Assemblies

Servicing External Interconnect Assemblies

Language:

Display Fault Diagnostics (Message Buffer)

Run the dmesg command on the host to check the system buffer for recent diagnostic messages and then display them.

Log in as superuser.
Type:
```
# dmesg
```

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