Restore an Archive

Before you begin

  • Before restoring an archive from a removable disk, copy the archive file to the normal archive path and then restore the archive from that location. Leave the original backup file in the backup file folder.
  • Copy the backup archive file to the default archive path.

About this task

Under certain circumstances, you may want to restore tag data to Historian. This may be after an unplanned shutdown, or you may need to retrieve data from an old, inactive archive.
CAUTION:
  • Restoring an archive is a resource-intensive operation and should be scheduled for non-peak usage times.
  • Never restore an archive to a production Historian server without a current archive already online.

Procedure

  1. Access Historian Administrator.
  2. Select DataStores.
  3. Select Restore An Archive From Backup.
    The Restore Archive window appears.
  4. Enter values as described in the following table.
    Field Description
    Archive Name Enter the name of the archive you want to restore.
    File Location Specify the location of the archive file.
    Data Store Select the data store to which you want to restore the archive. If the data store is not available, it is restored to the default data store.
  5. Select OK.
    The restored archive is moved to the \Archive directory and is made available for querying.