The tape information "FDDRL TAPE INFORMATION" displays not only the properties of the tape but also the disk properties of a single disk backup or of all disks of a DISK-SET save.
This information is automatically output to SYSOUT when a tape is rejected during mount processing .
You can also request it explicitly with the //SHOW-FDDRL-TAPE-INFORMATION statement.
This means that you can obtain information on the tape save and can mount the disks required for RELOAD-DISK or RELOAD-PUBSET (device type, format, capacity).
With DUMP-DISK detailed information is output explaining why the tape was rejected.
Output examples and the meaning of the information output can be found in chapter "SHOW-FDDRL-TAPE-INFORMATION Show the tape information of an FDDRL tape"