📖 Home Back ClearSCADA includes an Archive Volume Manager that you can use to create a replacement archive volume. However, you can only create a replacement volume for data that is still online. Data that is no longer online has already been deleted.
You can use the Archive Volume Manager to access the options that allow you to view, delete, and create replacement volumes. To access the Archive Volume Manager, right-click on the server icon in the system tray and select the Archive Volumes option from the context-sensitive menu. The Archive Volume Manager shows a list of volumes with information about the volume labels and the time period covered by each volume.
By right-clicking on a volume in the Archive Volume Manager, you can access a context-sensitive menu that contains:
| Command | Details |
|---|
| View Volume | Displays information about the data that is stored on the volume, including the time span for the data. The View Volume window also provides indicates whether all of the data is still online, only part of the data is online, or the data has been deleted. |
| Export Volume | Use to export the archive data as a comma separated value (.csv) file. When you select this option, a browse window is displayed. Use the browse window to define the name of the .csv file and select the folder that will contain the file. |
| Create Replacement Volume | Allows you to create a new volume that contains archived data that is still online (or contains a partial archive, if only a portion of the archive remains online). The Archive Volume Manager will automatically update the volume index when you use the Create Replacement Volume option. When you select this option, a browse window is displayed. Use the browse window to select the folder where the replacement volume will be stored. Typically, this will be a new blank (but labelled) disk. |
| Create Duplicate Volume | Use to create a copy of the selected archive volume. When you select this option, a browse window is displayed. Use the browse window to select the folder that will store the copy of the archive volume. |
| Delete Volume | Use to remove all records of a lost or damaged archive. We recommend that you only do this if you are absolutely certain that the archive cannot be recovered. |
As data that is no longer online cannot be recovered, we recommend that you always make at least 2 copies of an archive, so that you have a backup version in case the archive volume becomes damaged or is lost.
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