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Advanced Topics › TPCF Device Processing › z/OS ACL Preferencing › Non-Specific, Non-Temporary Requests

Non-Specific, Non-Temporary Requests

Non-specific, non-temporary mount requests are those in which DISP=(NEW,KEEP), DISP=(NEW,CATLG), or DISP=(NEW,PASS) is specified in the JCL of the job.

If the job does not need a specific volume and it uses a non-temporary data set, then z/OS prefers to allocate assignable devices in this order:

  1. Assignable devices on which the ACL feature is installed and active
  2. Assignable devices on which the ACL feature is installed, but inactive
  3. Assignable devices on which the ACL feature is not installed