z/OS DFSMSdfp Storage Administration
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Restrictions on using ACS routines

z/OS DFSMSdfp Storage Administration
SC23-6860-01

ACS routines are not invoked for of data sets that cannot be system-managed. These include the following:
  • Dummy data sets
  • Data sets that have SUBSYS or PATH coded on the JCL DD statement
  • SYSIN and SYSOUT data sets
  • VVDS data sets: SYS1.VVDS.*
  • VTOC Index data sets: SYS1.VTOCIX.*
Parent topic: Understanding ACS routines

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