To update this device class, first complete the following fields and then click Finish, or click Cancel to end the task.
Enter the maximum number of file volumes that can be simultaneously mounted for the device class
Enter the high level qualifier of the file name that the server writes into the sequential access media labels. For each sequential access volume assigned to this device class, Tivoli Storage Manager uses this prefix to create the data set name.
Example: AB.CD2.E
Enter the unit name that indicates on which device (or devices) to place File volumes. You can specify any unit name that is known to your MVS installation. The maximum length of the unit name is 8 characters. The default is a null string using single quotes (''). This parameter is optional.
Enter the volume serial number of a DASD on which to place File volumes. The volser can be any volume serial number known to your MVS installation. The maximum length of the volser is 6 characters. The default is a null string using single quotes (''). This parameter is optional.