Chapter 4
Preparation and Precautions for
Maintenance
This chapter describes preparations that must be completed prior to maintenance and
the precautions for various work and maintenance.
Confirming the System Configuration
■
Troubleshooting
■
Maintenance Precautions
■
4.1
Confirming the System Configuration
This section describes how to check the hardware and software configurations.
The system configuration must be the same before and after maintenance work. If an
error occurs in the system, record the system configuration and the FRU state before
starting maintenance. After maintenance, confirm that the system configuration is the
same as that before maintenance.
4.1.1
Confirming the hardware configuration
Execute the showhardconf command to confirm the configuration and status of the
FRU mounted in the chassis. Also confirm the hardware RAID volume.
Before performing any maintenance work, check and record the hardware
configuration of the chassis.
1.
2.
The following information appears:
Current configuration and status
■
Number of mounted FRUs
■
Status of the unit in which a physical partition error or degradation occurred
■
Information on the PCI expansion unit
■
Log in to the XSCF shell.
Execute the showhardconf command to check the hardware configuration
information.
41