The job is getting $HASP003 RC=(84) means : 84 JOB IS BUSY, TRY LATER even after sysparm ARMRELTM specified?
Release: Disk-Backup and Restore 12.5
PTF RO87248 is required so that the time value within ARMRELTM is honored. This PTF addresses the issue where the ARMRELTM value is not honored that was causing the $HASP003 RC=(84) message.