Viewing Global Mirror RPO historical data

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You can view historical data for any session type that has Global Mirror.

About this task

Starting with Copy Services Manager 6.2.10, you can view the RPO historical data for a selected session and role pair from the Copy Services Manager GUI. This information is available over selected ranges per Global Mirror session.

Interpreting historical Global Mirror RPO data

When you view the chart in the GUI, the x-axis is the time that the RPO data was collected. On the y-axis is the actual average RPO time in seconds. You can see when there were spikes in the RPO, which represent greater data exposure periods. If any disasters occurred during those spikes, more data could have been lost.

You can investigate if there were any issues when the spikes occurred. Issues could be SAN-related, or from other causes.

Complete these steps to view historical Global Mirror RPO data:

Procedure

  1. In the menu bar, click Sessions.
  2. On the Sessions page, select the session that you want to view.
  3. From the Session Actions list, select View/Modify > View Global Mirror Data.

Results

A chart appears where you can select a data range using the lower bar to see specific point-in-time historical information. For more detail, export the RPO history and LSS OOS history of the session to a CSV file. See Exporting historical data for Global Mirror role pairs for more information.