IBM TotalStorage 3494 Tape Library, Operator'S Manual

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Manage Storage Classes
Note: You can view the Manage Storage Classes window from the Specialist (see
“Specialist Features and Functions” on page 396).
The Manage Storage Classes window (Figure 163) allows you to view and manage
storage classes. The following actions can be performed:
v
Add a storage class
v Modify an existing storage class
v
Delete a storage class
To add a storage class, do the following:
1. Enter a one to eight-character alphanumeric name in the Name field. The name
must be unique within the storage class construct names.
2. Specify the Tape Volume Cache Preference . If Use IART is selected, the Initial
Access Response Time (IART) method specified by the host to the VTS is used.
If
0
is selected, volumes are removed from the tape volume cache as soon as
they are copied to tape. If
1
is selected, copied volumes are the first to be
removed from the tape volume cache when space is needed in the tape volume
cache.
3. Enter a short description in the Description field.
4. Select the Add/Modify button.
To modify a storage class, select from the list of current storage classes presented
in the list box. Use the mouse or keyboard to highlight the storage class you want
to modify. Modify the tape volume cache preference and/or description. Select the
Add/Modify button.
To delete a storage class, select from the list of current storage classes presented in
the list box. Use the mouse or keyboard to highlight the storage class you want to
delete. Select the Delete button.
Figure 163. Manage Storage Classes Window
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3494 Tape Library Operator Guide