Systems Without Mux Cards; Loopback Configuration File; Bringing Up Zcom Mux Subsystem - HP 9000 Installation And Configuration Manual

Software Installation and Verification

Systems Without Mux Cards

# zmasterd cold /opt/acc/cfg/loopback.tmem
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Systems Without Mux Cards
The ACC Subsystem can be used with no cards installed on the local
system. Application programs can be run on this system and make
requests to control ACC Mux cards that reside on remote systems
accessible via LAN. This is done by using the Remote Node Access
feature introduced in the section "High Availability Features" on page 27
of Chapter 1, and is further explained in the ACC Utilities Reference
Guide.

Loopback Configuration File

A loopback configuration file /opt/acc/cfg/loopback.answ is created
when the ACC product is installed on the system. The ttgen program is
automatically run to create the file /opt/acc/cfg/loopback.tmem. This
occurs whether or not there are any ACC interface cards installed in the
system. The loopback.tmem file will be adequate to bring up the ACC
Subsystem.
The section "Sample ttgen Configuration File" on page 76 of Appendix A,
Files, Utilities, and Daemons, shows a sample ttgen configuration file.
The file created when no ACC cards are in the system is similar, but the
Interface-Definition, Port-Definition, and Terminal-Definition sections of
the file are empty (i.e. there are no Mux, Port, or Term entries in the file).

Bringing Up ZCOM Mux Subsystem

Before any features of the ZCOM Mux Subsystem can be accessed, the
subsystem must be started up by running zmasterd with an appropriate
.tmem file. The /opt/acc/cfg/loopback.tmem file should be used,
followed by performing the loopback verification test:
Messages indicating whether or not the ZCOM Mux subsystem was
started successfully are logged to the file /var/opt/acc/log/XXX.tlog,
where XXX represents the day of the week (i.e. mon.tlog, tue.tlog, etc.).
The following listing is an example of what might be displayed when the
ZCOM Mux subsystem is started successfully. In this example, the
/opt/acc/cfg/loopback.answ file was created for a system with no ACC
interface cards installed:
Chapter 2