To define a device class, first complete the following fields and then click Finish, or click Cancel to end the task.
Enter the name of the device class to be defined. The maximum length of the device class name is 30 characters.
Select the recording format to be used when writing data to sequential access media. The default is Drive.
Note: The actual capacities may vary depending on which cartridges and drives are used.
Format | Estimated Capacity | Description |
Drive | Determined by drive capacity. | Specifies that the server selects the highest format that
can be supported by the drive on which
a volume
is mounted.
Avoid specifying DRIVE when a mixture of drives is used within the same library. For example, do not use this option for a library containing some drives that support recording formats superior to other drives. |
3480 | 180MB |
18-track basic recording format (CST) |
3490 | 180MB or 360MB | 18-track basic or compressed recording format (CST) |
3490E | See note above.
360MB 720MB |
36-track. The 3490E devices include Models C1A, C2A, C10, C11,
and C22.
Uncompressed (basic) recording format (CST) Compressed recording format (ECCST) |
Select the name of the defined library object that contains the Cartridge Tape drives that can be used by this device class.
Enter the maximum number of volumes that can be simultaneously mounted for the device class.
Enter the amount of time, in minutes, to retain an idle volume before dismounting it.
Enter the high level qualifier of the file name that the server writes into the media labels. For each volume assigned to this device class, the server uses this prefix to create the data set name.
Enter the estimated capacity for the volumes categorized by this device class.
The value must be an integer followed by one of these units:
K | Kilobyte |
M | Megabyte |
G | Gigabyte |
For more information on the default estimated capacity, see the Recording Format heading.
Enter the maximum length of time, in minutes, to wait for a volume to be mounted.