====== Data Clusters ======

A Data Cluster is an arbitrary grouping of Volumes that does not depend on sequential or similar Volume-IDs.

They can be used in combination with Simple Management Rules to coordinate Volume movements

===== Adding A Data Cluster =====

{{:lite:lite_data_clusters.png}}

To add a Data Cluster:
In TapeMaster, open the Media type of the required [[object:customer|Customer]] and select the Data Clusters Administrative Tab.

Right-click inside the Data Clusters Administrative Tab and select ''Add'' or use the Insert key on the keyboard.

{{:lite:lite_data_clusters_add.png}}

Fill out a brief description of this Data Cluster and, if necessary, insert a Parent Data Cluster for this Data Cluster to be nested under.

{{:lite:lite_data_clusters_add_cluster.png}}

===== Add Volumes to the Data Cluster. =====

==== Adding Multiple Volumes ====

From the Inventory tab of the required [[object:customer|Customers]] media type:
Select the [[object:volume|Volumes]] in the [[master:view_volume_list|Volume List]].
Right-click, select ''Special Operations'' -> ''Modify'' -> ''Data Cluster''.

{{:lite:lite_data_clusters_add_volumes_select.png}}

In the Data Cluster Selection window type in the Data Cluster that these [[object:volume|Volumes]] should be associated with, and select from the clusters in the displayed list. 

{{:lite:lite_data_clusters_add_volumes_select_cluster.png}}

Click ''OK'' to save.
==== Adding Single Volume ====

Double-click or Right-click and select ''Properties'' on a [[object:volume|Volume]] in the [[master:view_volume_list|Volume List]] to launch the [[master:volume_properties_window|Volume Properties Window]].

{{:lite:lite_volume_properties.png}}

Select the Options tab. At the top will be a field called **Data Cluster** with a drop-down menu. Select the Data Cluster to associate this [[object:volume|Volume]] with and click ''Save''.


{{:lite:lite_data_clusters_single_volume.png}}