Record Access and Processing › Additional VSAM Options

Additional VSAM Options

Supported Options

In addition to the processing modes described above, CA IDMS VSAM Transparency supports these options:

• Chained request parameter lists
• Concurrent access
• Reusable files
• Variable-length records
• The following z/OS VSAM exits:
  • End of data (EODAD) exit
  • Logical error (LERAD) exit
  • Physical error (SYNAD) exit
  • Journal (JRNAD) exit, which will be ignored by CA IDMS VSAM Transparency
  • User wait (UPAD) exit, which will be ignored by CA IDMS VSAM Transparency
• The following z/VSE VSAM exits:
  • End of data (EODAD) exit
  • Logical error (LERAD) exit
  • Physical error (SYNAD) exit
  • Journal (JRNAD) exit, which will be ignored by CA IDMS VSAM Transparency
  • User wait (EXCPAD) exit, which will be ignored by CA IDMS VSAM Transparency
• User exits
• Synchronous processing
• Asynchronous processing

Unsupported Options

These less frequently used processing options are not supported by CA IDMS VSAM Transparency:

• Index-component-processing user buffering
• User-buffering deferred writes and transaction ids
• Deferred writes and transaction ids
• Shared resources
• Control interval access
• ISAM interface
• VSAM error message area
• The exception exit
• The user security verification exit