CA ASM2 has a utility called $MAINT. How often should this utility be executed and what does it do?
CA ASM2 $MAINT is the utility that maintains the integrity of the IPC (Integrated Product Catalog). This utility will expire archived and backed up datasets when required and maintain the tape management system in regard to CA ASM2 tapes (Virtual or Physical) that are utilized.
The recommendation is that this utility be executed on a weekly basis after you make a complete backup of the IPC for the sake of recovery.
Please review the CA ASM2 System Reference Guide for a complete description and sample JCL.