Non-ACS Mounts

A mount in which an ACS drive is not selected occurs when at least one of the following conditions occurs:

The CA VM:Tape HSC interface is not configured.
The HSC interface is halted.
The eligible drive list contains no active (non-exempted) ACS drive.
The requested volser is not contained in the ACS.
The default location is not the ACS location.
The LOCATION option on the MOUNT command specified a location other than an ACS location.