ServerNet Cluster 6780 Operations Guide (G06.24+, H06.03+)

SCF Commands for SNETMON and the ServerNet
Cluster Subsystem
ServerNet Cluster 6780 Operations Guide—525606-002
4-11
START Command
START Command
The START command moves the ServerNet cluster subsystem into the logical
STARTED state and joins the system to the ServerNet cluster. START is a sensitive
command.
The START command syntax is:
OUT file-spec
causes any SCF output generated for this command to be directed to the specified
file.
Considerations
•
If the START SUBSYS command is entered correctly, an EMS message reports
the command, the time the command was executed, the terminal from which the
command was entered, and the group and user numbers of the user issuing the
command.
•
ServerNet cluster startup is a two-tiered process:
1. The ServerNet cluster monitor process has to be started (by the $ZPM
persistence manager or with an SCF START PROCESS command).
2. The ServerNet cluster monitor process moves ServerNet cluster services into
the STARTED state and joins the system to the ServerNet cluster.
When the ServerNet cluster monitor process is launched, it enters its default
service state (STOPPED) and then checks the SUBSYS object STARTSTATE
configuration to determine whether to automatically proceed toward the STARTED
logical state.
If the configured STARTSTATE is STOPPED, the ServerNet cluster monitor
process must wait for a START SUBSYS command before proceeding to start
ServerNet cluster services.
Once ServerNet cluster services on the local system have been started, the
ServerNet cluster monitor process establishes ServerNet connections with all other
systems in the ServerNet cluster that are in the STARTED or STARTING states
and moves the subsystem to the STARTED state.
If the Expand-over-ServerNet line-handler processes are configured and are in the
STARTED state, Expand connectivity is established with the other systems in the
ServerNet cluster.
When the START SUBSYS is completed:
•
The subsystem state is STARTED.
START [ /OUT file-spec / ] SUBSYS $ZZSCL