Chapter3 Troubleshooting 33
3.1 SuspectedFailure Conditions 33
3.2 Determining the Causes of Individual Failures 33
3.3 Identifyinga Failure 34
3.3.1 Checking the LED indications 35
3.3.2 Checking error messages 35
3.3.3 Checkingthe status of a component 35
3.3.4 Checkingthe status of a PCI expansion unit 37
3.3.5 Checkinglog information 38
3.3.6 Checking the messages output by the predictive self-repairing
tool 39
3.3.7 Identifyingthe location of the chassis requiring maintenance 40
3.4 Downloading Error Log Information 40
Chapter 4 Preparing forMaintenance 41
4.1 PreparingTools Required for Maintenance 41
4.2 Confirmingthe System Configuration 41
4.2.1 Confirmingthe hardware configuration 42
4.2.2 Confirmingthe software and firmware configurations 42
4.3 UnderstandingTypes of Maintenance 44
Chapter 5 Understanding the Preparations for Enabling Maintenance 53
5.1 Releasing an FRU from the System with the replacefru Command 53
5.2 Releasinga Chassis from the Physical Partition 56
5.3 Powering Off the Physical Partition Requiring Maintenance 60
5.4 Stoppingthe Entire System 62
5.4.1 Stopping the system with the XSCF command 63
5.4.2 Stopping the system from the operation panel 63
5.5 Accessing Components 64
5.5.1 Lowering the cable support 64
5.5.2 Removing the power cord 65
5.5.3 Removing the front cover 67
Chapter 6 Understanding the Preparations for Restoring the System 69
FujitsuM10-4/Fujitsu M10-4S/SPARC M10-4/SPARC M10-4S Service Manual • December 2013iv