TS/MP Release Supplement

ACS Subsystem

HP NonStop TS/MP Release Supplement—546055-006

1-5

Process Broker Process ($ZPnn)

The process broker manages links from the TS/MP PATHMON processes for Pathsend

requests. The name of the process is

$ZPnn, where nn is the number of the CPU in

which the process is running.

Configuration Subscriber Process ($ZCSnn)

The configuration subscriber process publishes critical ACS subsystem configuration

information to the other ACS subsystem processes. The name of the process is

$ZCSnn, where nn is the number of the CPU on which the process is running.

Redirector (ROUT) Process ($ZLnn)

The redirector process performs link management functions similar to those performed

by the former TS/MP 2.0 LINKMON (TS/MP ROUT) process. To simplify application

migration, the redirector process uses the same program file name

(

$SYSTEM.SYSnn.ROUT) and process name ($ZLnn) used by the TS/MP 2.0

LINKMON process; where

nn is the number of the CPU on which the process is

running. Figure 1-3

shows an overview of the redirector process in a Pathsend

environment.

For each request from the Pathsend library, the redirector process performs the

necessary link management to obtain a server link from the process broker. After it

verifies that the requester has the authority to perform a send operation to the specified

server class, the redirector process performs the send operation.

ACS Subsystem Product Module (ACSPM)

The ACS subsystem product module provides part of the ACS subsystem interface to

the Subsystem Control Facility, as shown in Figure 8-1

. The program file for the

ACSPM is

$SYSTEM.SYSTEM.ZACLSCF.

Note. The ACS core processes are:

•

Domain Coordinator Process ($ZACS)

•

Process Broker Process ($ZPnn)

•

Configuration Subscriber Process ($ZCSnn)

•

Redirector (ROUT) Process ($ZLnn)

Note. In the TS/MP 2.0 environment, the LINKMON process performs link management and

link acquisition and acts as a link manager for the PATHMON. In the TS/MP 2.1 and later, the

Process Broker (PB) process performs the link acquisition and the ROUT process performs the

link management. Therefore, from the PATHMON perspective, the PB process is the link

manager.