How to Retension a Magnetic Tape Cartridge

Retension a magnetic tape cartridge with the mt command.

$ mt -f /dev/rmt/n retension

Example--How to Retension a Magnetic Tape Drive

The following example retensions the tape in drive /dev/rmt/1.

$ mt -f /dev/rmt/1 retension
$

Do not retension non-QIC tape drives.