Updating a File Device Class

To update this device class, first complete the following fields and then click Finish, or click Cancel to end the task.

Mount Limit

Enter the maximum number of file volumes that can be simultaneously mounted for the device class

Volume Prefix

Enter the high-level qualifier of the data set name that is used to allocate scratch volume data sets. For all scratch file volumes created in this device
class, the server uses this prefix to create the data set name. This field is optional. The default is ADSM. 

Unit

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. This parameter is optional.

Volser

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. This parameter is optional.