Sunday, February 23, 2014

VTAM definition in zOS

The definition is defined in 2 dataset in the VTAM JCL:
- VTAMLST defines the SNA network.  It contains node definition, route and hardware such as CTC connectors or OSA cards.
  - ATCSTR00 member defines the VTAM start up parameters:
      - SSCPID and SSCPNAME defines a unique ID for this VTAM.  SSCPNAME is used in the CDRM definition
      - NETID defines the network ID
  - ATCCON00 member specifies the resources to be activated.  Resources include PATH, Major and minor nodes, tables and dynamic reconfiguration files.
- VTAMLIB contains binary load module of compiled VTAM macro such as LOGMODE tables and CoS tables.

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