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STA User Interface Guide, v1.0.2
E28380-03
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Using STA to Answer Tape Environment Questions : Capacity and Resource Management Questions : ▼ Report Library Relative Activity Levels

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Report Library Relative Activity Levels

This procedure addresses the questions, “Which library in my tape environment is the busiest? Which is the least busy?”

The definition of “busy” varies by site; common definitions include the number of exchanges, mounts, or dismounts. This procedure uses the number of mounts. In addition, it provides instructions for graphing the data so you can compare the libraries to one another and to the system average.

Referenced Tasks

•
“Apply a Template”
•
“Sort by a Column”
•
“Add a Graph Pane”
•
“Change the Graphed Attribute”
•
“Add Library Resources to Graphs”
•
“Detach a Graph Pane”
1.
In the Navigation Bar, select Libraries > Overview.

2.
In the Templates menu, apply the “STA-Lib-Utilization” template.

3.
In the “Mounts (30 Days)” column, click the Sort Ascending or Sort Descending arrow.

Note – Other columns you might want to sort by are “Enters (30 Days)”, “Ejects (30 Days)”, “Occupied Storage Cells”, or “MB R/W (30 Days)”.

4.
Use the following steps to add a graph pane showing mounts.
a.
Click the Add Graph icon in the Graphics Area Toolbar.

A new graph pane, with the attribute “MB Read”, is added to the end of the Graphics Area display. You may need to scroll down to see the graph.

b.
Click the Change Graphed Attribute icon in the Graph Pane Toolbar, and select the “Mounts” attribute from the menu.

The graph is updated to display the system average for mount data.

5.
Use the following steps to add selected libraries to the screen graphs.

Adding the libraries to the graphs allows you to compare their attribute values against the system average.

a.
In the List View table, select the libraries you want to add to the graphs.
b.
Click the Apply Selection icon on the List View Toolbar.

In the example below, the three libraries with most mounts are added to all the graphs.

6.
In the “Mounts” graph pane, click the Detach icon to detach the graph to enlarge it and display more detail.

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