Common extended features

Tape drive functions and device driver ioctls
Media partitioning
Data safe (append-only) mode
Read Position long/extended form and Locate(16) commands
Logical Block Protection
Programmable Early Warning (PEW)
Log Sense page and subpage
Mode Sense page and subpage
Verify Tape
RAO - Recommended Access Order

Parent topic: IBM Tape Device Drivers Programming Reference