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Lt. Commander

Historic data loss

Hi.

I recently performed a template change on an instance but historic data got lost.

 

Is there any other way to recover data other than performing a backup load?

 

Thank you

 


Originally posted on dialvec, on 2019-03-05

 

2 REPLIES 2
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Administrator

Re: Historic data loss

No once ClearSACDA retires a point ID it deletes the history for it.

 

It should keep the history when you Convert a instance to another template, the structures of the templates have to be the same. Like group names and point names are identical. I have one customer that we do this to replace Modbus based templates with DNP based templates. I just right click on the instance and select Convert to Instance of and their history is kept for the points we want to preserve.

 

I guess it is possible your version of ClearSCADA has a glitch.

 

Originally posted by geoffpatton, on 2019-03-06 

 

Oma
Exchange Global Community Manager
Community user guide  |   FAQ

Administrator

Re: Historic data loss

So the only way to recover is to restore a backup of the database folder. If you import a export you made the point IDs are not included in a Export. If you have been backing up the Database folder the database configuration (including point IDs) and history will be recoverable.

 

Originally posted by geoffpatton, on 2019-03-06

 

Oma
Exchange Global Community Manager
Community user guide  |   FAQ