TS/MP System Management Manual (G06.24+, H06.03+)

Managing the Pathsend Environment
NonStop TS/MP System Management Manual—541819-001
6-2
LINKMON Processes
NonStop TUXEDO clients and servers. NonStop TUXEDO servers are created and
managed within the NonStop TUXEDO environment, but within the PATHMON
environment these servers appear as OSS processes.
The LINKMON process gathers statistics for servers. For more information, see
Tuning Your System by Using Statistics on page 7-1.
Communication With PATHMON Environment
A LINKMON process communicates with a PATHMON environment as long as it has a
link to a server process running in that environment. When a LINKMON process no
longer has any links to any server process in a PATHMON environment, it terminates
connection to that environment.
Execution
LINKMON processes support access to server classes by requester programs written
in TAL, C, COBOL, or Pascal. They provide access support by helping to execute
calls to the SERVERCLASS_SEND_ procedure.
Each processor contains only one LINKMON process, which is responsible for all
Pathsend requesters executing in its processor. A LINKMON process acquires links
from the PATHMON process that controls the server class. The LINKMON process
then shares its links among the Pathsend requesters executing in its processor.
LINKMON processes are visible to the PATHMON process but are not controlled by it.
Although you cannot directly configure or control a LINKMON process with PATHCOM
commands, you can use PATHCOM commands to perform various LINKMON-related
functions. Table 6-1 lists the effects of various PATHCOM commands on LINKMON
processes.
Table 6-1. PATHCOM Commands That Affect LINKMON Processes (page 1 of 2)
PATHCOM Command Effect on LINKMON Processes
FREEZE SERVER Prohibits LINKMON processes from sending requests to
server classes
INFO PATHWAY Displays the current MAXLINKMONS value
RESET SERVER
ALTER SERVER SECURITY
Resets or alters the current values for a server class and
server class owner
SET PATHWAY The MAXLINKMONS parameter sets the maximum number
of LINKMON processes that can communicate with a
specific Pathway environment
SET SERVER SECURITY and OWNER parameters restrict access by
Pathsend requesters to the server classes
SHOW SERVER
INFO SERVER
Checks the current SECURITY and OWNER attribute
values for a server class