Adding Temporary Virtual Tape Units via SET-TAPEFILE

Perform these steps to add a temporary mvBase tape unit using the TCL command SET-TAPEFILE.

Log to the SYSPROG account.
Execute T-SELECT n to select an available virtual tape device, identified by the V in the drive column of the T-STATUS display.
Execute this command:

Format

SET-TAPEFILE <path> command

Parameter(s)

<path>

Represents the absolute path to an existing directory on the host operating system and file name may or may not exist. The extension ".vtf" is used by convention to identify virtual tape files.

For example, the following sequence of commands is a valid implementation of SET-TAPEFILE:

LOGTO SYSPROG

T-SELECT 5

SET-TAPEFILE C:\MVBASE\FSAVE.VTF

T-ONLINE

FILE-SAVE

Parameter(s)

FSAVE.VTF

The virtual tape file that does not currently exist in the directory represented by the path C:\MVBASE.

Execute the TCL command T-ONLINE.

The tape file is now ready for use as an mvBase tape unit.

As this assignment of an mvBase tape device is temporary, it can be overwritten by performing another SET-TAPEFILE to the same virtual tape device. Moreover, all temporarily assigned mvBase tape units will disappear if the Server is shutdown and re-started.

NOTE	Once you define an mvBase tape unit of any type, mvBase considers that unit to be a tape device, hence you must use T-SELECT, T-ONLINE, T-REW and other tape-related commands in the customary sequence in order to perform normal tape device functions.