# Adding a user DASD group

Use this dialog box to add a user DASD volume group.A volume is included in the group if it meets the criteria of at least one filter that is entered on the Volumes tab (if any are entered) and it meets the criteria of all filters that are entered on the Attributes tab.

Group tab
  Use this tab to specify your user DASD volume group.
  Name
    Enter a name for the user DASD volume group that you are creating. Names may consist of any combination of characters and must not exceed 30 characters in length. Names are case sensitive.
  Description
    Enter an optional description for the user DASD volume group. Descriptions may consist of any combination of characters and must not exceed 50 characters in length.
  Persist
    Click this check box to indicate that the user DASD volume group definition should persist (or be saved) across recycles of the Tivoli Enterprise Monitoring Server (monitoring server or TEMS). User DASD group definitions are discarded during a recycle of the monitoring server if the Persist field is not selected.
Volumes tab
  Use this tab to specify the DASD devices of your user DASD volume group. Define the volume, device address, device range, and SMS storage group names in the following fields:
  Volser or Pattern
    Enter one or more volume names or volume masks. You can specify a partial name pattern and place the wildcard character (*) at the end. For example, a mask of PRI* includes all volumes with names that begin with "PRI".
  First Device/Last Device
    Enter one or more device addresses or device address ranges in the table to include volumes with those addresses in the user DASD volume group. Valid device addresses consist of three to four hexadecimal characters. The last device must be greater than the first device if a device address range is specified.
  SMS Storage Group
    Enter one or more SMS storage groups.
Attributes tab
  Use this tab to specify the attribute constraints that are used in conjunction with the DASD device constraints for your user DASD volume group. Use the drop-down list in the Attribute column to define the attribute name. Use the drop-down list in the Operator column to select an operator. Enter an appropriate value in the Value column, or use the drop-down list to select an enumerated value.