Upgrading and Using the PI Snapshot Collection

About this task

In some scenarios you may wish to run the collector in the same way as in the previous versions (Pre-6.0) of PI Collector. For example, you may upgrade from an older version of the collector and still want to retain the existing, original behavior.

If this is not the case then you do not need to configure anything and may skip this section.

Use the following steps where you want to retain the existing original behavior.

To configure the newly added OSI PI Collector to retrieve data from the OSI PI snapshot cache :

About this task

Procedure

  1. Run the Registry Editor (regedit.exe).
  2. Navigate to HKEY_LOCAL_MACHINE\SOFTWARE\Intellution, Inc.\iHistorian\Services\PICollector.
  3. In the case of a 64-bit system this may be found at HKEY_LOCAL_ MACHINE\SOFTWARE\Wow6432Node\Intellution, Inc.\iHistorian\Services\PICollector
  4. If you have multiple collectors, each would have to be configured to allow for snapshot operation, and the key would be the name of the other collector.
  5. Locate the registry key name General5.
  6. Change it from Archive to Snapshot.
  7. Restart the Historian PI Collector service from the Windows services control panel.
    The latest log file will indicate that the collector is using the snapshot database for collection. Refer to OSI PI Collector Troubleshooting, for information about tracing operational issues with the OSI PI Collector log files.

To configure existing OSI PI Collector to retrieve data from the OSI PI snapshot cache

Procedure

  1. Access Historian Administrator.
  2. Select the Collectors page.
  3. Select the OSI PI Collector.
  4. Select Configuration.
  5. In the Data Source field, enter the data source as snapshot.