RSC/MP Installation and Configuration Guide

Configuring the RSC/MP Transport (Piccolo) Configuring a Single Instance of Piccolo (for mos t
installations)
Configuring a Single Instance of Piccolo (for
most installations)
By default, the Pipeman and NIF processes search for a configuration file named
PIPEINI (on the NonStop host) or PIPE.INI (on all workstation platforms) located in the
same subvolume or directory in which Pipeman is started. Using this default name and
location is recommended, and is suitable for all systems that will run a single instance
of Piccolo.
Figure 5-2. Components in a Single Instance of Piccolo
NonStop Host
Workstation
TDP PIPEMAN
NIF
required
optional
Piccolo
configuration
file
RSC/MP
application
PIPEMAN RSCPIPE
optional
NIF
required
Piccolo
configuration
file
CDT004
If the default configuration file cannot be opened in the current directory, the Piccolo
components search additional directories according to the PATH environment variable,
until a file having the default name is found and opened successfully. This beha vior
can be exploited in cases where the configuration file must be kept in a different
location than the RSC/MP and Piccolo executable files.
Configuring Multiple Instances of Piccolo (for
advanced installations)
To run multiple concurrent instances of Piccolo, each Pipeman process must be
configured by a separate configuration file which will contain a unique identifier. This
identifier, called the IPC key, allows Pipeman to communicate with its network
interfaces (NIFs), and allows a TDP, RSCPIPE, or RSC/MP application to
communicate with a specific Pipeman process. The IPC key specified in the Piccolo
configuration file has a format and interpretation that depends on the operating system:
HP NonStop Remote Server Call (RSC/MP) Installation and Configuration G uide — 52235 8- 013
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