Lexmark IBM 9077 manual Checking Connectivity to the SP System, 101

Models: IBM 9077

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one of the following actions to bring the SP Switch Router Adapter card online:

A switch initialization

An unfencing sequence

Another Switch management sequence

The appropriate action depends on what state the SP system is in with respect to the dependent node. For example, if no Estart command has been issued to reinitialize the SP Switch since the dependent node (the SP Switch Router Adapter) was installed, then an Estart command is needed. If the dependent node was fenced from the SP Switch without the -autojoinoption, then an Eunfence command should suffice.

Many different states are possible. Consult RS/6000 SP: Installation and Migration Guide Version 2 Release 4, GC23-3898 and RS/6000 SP: Administration Guide Version 2 Release 4, GC23-3897 for descriptions of the administrative actions needed to bring extension nodes online (dependent nodes are specific types of extension nodes). See RS/6000 SP: Diagnosis and Messages Guide Version 2 Release 4, GC23-3899 for information on diagnosing extension node configuration problems.

The SP Switch Router Adapter media card remains in ConfigState=FullyConfigured,until it is brought online via a switch initialization or unfencing sequence.

Should the SwitchNodeUp-trap message not reach the SP SNMP Manager, use the grcard command to check the card’s readiness and state. The grcard command must return running for the SP Switch Adapter card before the card can be brought online.

3.15.1 Checking Connectivity to the SP System

The procedure in this section is useful when a problem is suspected with the SP Switch Router Adapter media card, its connection to the SP Switch, or its connection to the SP Switch Router hardware. This section is intended for hardware service personnel, although parts may be applicable to customer problem determination.

Before beginning this procedure, it may be helpful to verify the configuration of the media adapter. If you are unable to find a configuration problem or are unable to correct the configuration due to potential hardware problems, this procedure should be used to check the connection to the SP Switch.

Installation and Configuration

101

Page 119
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Lexmark IBM 9077 manual Checking Connectivity to the SP System, 101