The parameters TBACKUP, DAYS and TIME were set as recommended in article 220961 but the View started task is still requesting a tape volume.
https://knowledge.broadcom.com/external/article?articleId=220961
Release : 14.0
Component : View
The tape mounts were being requested because of the presence of this parameter in the SARINIT:
TAPECLSL=Y
This parameter specifies a list of one to eight SYSOUT classes, so that any SYSOUT originally output to one of the classes is directly archived to tape, and no archival is done to disk.