The set-8mm command sets the 8mm data cartridge as the tape device, by invoking the set-device command and passing in the argument 8mm and an i option. The default block size is 16384.
The list of installed devices displays with an asterisk in front of the selected device. If more than one 8mm tape is present on the system, this command selects the first tape in the configuration file. To select another device, use the set-device command.
|Changes tape block size. The current tape block size displays and the user is prompted for the new block size (0 or 512). A tape can only be read with the same block size that it was written. Normally, D3 uses a block size of 0, which means variable length blocks, but this option is provided for compatibility with other systems.