Create a batch file for Windows Task Scheduler

The automated backup utility for the DeltaV Continuous Historian can be scheduled using the Task Scheduler in Windows. Use the Task Scheduler to create a new scheduled task that runs the HistorianBackup.exe file and manually adds optional parameters, or you can create a batch file with the optional parameters included. Note that the Continuous Historian Administration application includes a Schedule DeltaV Continuous Historian Data Backup option. Evaluate this option before deciding to use a batch file and the Task Scheduler.

To create a batch file, use a text editor, such as Notepad, and type the command for the backup you wish to create, using the syntax described in this topic. Save this file to a local directory with a *.cmd file extension (CHBackup.cmd, for example). Use the Add Scheduled Tasks wizard to establish a schedule for backing up the DeltaV Continuous Historian, using the batch file as the program you want to schedule.

Example

c:\DeltaV\bin\HistorianBackup \\SiteServer\CHBackups /CreateNewActive
      /OnlyIfModified /DeleteIfGTDays:30 /Retries:15 /LogFile:CHBackup.log

In this example, the DeltaV Continuous Historian data sets are backed up with the following conditions:

• The data sets are backed up to the UNC path \\SiteServer\CHBackups.
• A new active data set is created before the backup.
• Only data set that are modified is backed up.
• Backed up data sets that are no longer in the DeltaV Continuous Historian database, that are located in \\Siteserver\CHBackups, and that are greater than 30 days old are deleted.
• If the backup is unsuccessful, the system executes up to 15 retries.
• A log file, CHBackup.log, is created the first time the scheduled backup runs and appended to each time thereafter.