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How to Configure the Historian to Delete HDB2 Files After a Period of Time

  1. Open the Canary Admin. Select the 'Historian' tile.

  2. Select 'Configuration'. Select a DataSet that houses the old HDB2 files that must be deleted.

  3. Under the image.png section, set the 'Delete:' field to 'Custom'. Adjusting this interval deletes all files older than the specified time period. The deletion does not occur until the next Roll-Over.

Do not make this setting less than the Roll-Up time, doing so will delete the entire Roll-up file that the latest HDB2 file gets stored in. Users may not want to delete all that data.

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