There are two methods to configure the drive in variable block size mode:
For Windows: Not Supported
For AIX: Not Supported
For Linux: Supported
set-def-tape-blk block.size device.number
|block.size||Size of the block.|
|device.number||Number of the tape device.|
From the TCL prompt:
Review the list of devices and determine the correct device.
!mt -f device.name setblk 0
where device.name is the device name listed in the TCL command.
Execute this command after every Linux shutdown.
To set tape device number 5 to a physical block size of 512, enter:
set-def-tape-blk 512 5