At this point, the LAM z/OS and OS/390 Subsystem is ready to be activated. In Release 4.4, LJ44INIT automatically calls LR44INIT to start the LAM subsystem.
A successful initialization of LAM is acknowledged by the following message:
LAM002O LAM SUBSYSTEM SUCCESSFULLY INITIALIZED
If the subsystem was not successfully initialized, you can receive any of the following messages:
LAM001O LAM SUBSYSTEM UNSUCCESSFULLY INITIALIZED
Indicates that the LAM initialization module was unable to obtain CSA storage.
CA‑LIBRARIAN *WARNING* LIB/AM OPTION LOAD MODULE (LAMMVS) NOT LOADED, LAM003O LAM SUBSYSTEM SUCCESSFULLY INITIALIZED; LIB/AM OPTION IS INACTIVE; LAMMVS NOT FOUND.
Indicates CA Librarian did not find the LIB/AM module LAMMVS.
CA‑LIBRARIAN INITIALIZATION ERROR - SUBSYSTEM INITIALIZATION FAILED
Indicates that an error occurred while CAIRIM was initializing the subsystem. This message can be accompanied by CAIRIM messages.
CA‑LIBRARIAN INITIALIZATION ERROR - INVALID PARAMETERS SPECIFIED
Indicates that an invalid CAIRIM parameter was specified.
CA‑LIBRARIAN INITIALIZATION ERROR - LAMMVS MODULE ALREADY LOADED
Indicates that LAM was already initialized.
If you do not receive any of these messages, the LAM subsystem was incorrectly defined to the operating system. Review the activation step.
The following procedure is provided for those sites that want to test a new release of the LAM Subsystem and do not have a test system on which to run the new release. This procedure requires the use of the CAIRIM LAM initialization program LJ44INIT. After performing this procedure, you can invoke the new version of LAM by coding the SUBSYS=LAMX JCL parameter instead of SUBSYS=LAM.
Note: This procedure uses a four-character subsystem name of LAMX. You can change the last character. However, the first three characters must be LAM.
CALJJCL library member LRLAMXRM contains a sample CAIRIM parameter to activate the LAMX subsystem. See the CA Common Services for z/OS and OS/390 Getting Started and the CA Common Services for z/OS and OS/390 Administrator Guide for details on starting or restarting CAIRIM.
To deactivate the LAMX subsystem, restart the CAIRIM task with PARM(DELETE,NAME=LAMX). Deactivating the LAMX subsystem frees any CSA storage that LAMX acquired. Once LAMX is deactivated, you cannot activate it again until the next operating system IPL. However, you can activate another LAM Subsystem with a different name (for example, LAMY).
Note: Access to both CA Librarian CAILIBs (one for each subsystem) must be available to CAIRIM. You can do this by putting it in either the CAS9 STEPLIB or in the system LINKLIB. If you are running a previous version of CA Librarian from the LINKLIST, you must use a STEPLIB to go to the new version in the CAS9 procedure to pick up the new version modules with like names.
Because LIB/AM loads CA Librarian modules at run time, there must be a STEPLIB to the CA Librarian CAILIB if it is not installed in the linklist.
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