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[Question #186746]: How does Duplicity backup open files?

 

New question #186746 on Duplicity:
https://answers.launchpad.net/duplicity/+question/186746

First of all, thank you for creating such a great backup tool! Before Duplicity and Deja Dup were available it Ubuntu, I used to have a crude, manual backup procedure that I followed once in a while--now I have daily, automatic, encrypted off site backups thanks to you :-)

I am curious about how Duplicity handles open files. Does Duplicity use some kind of mechanism to obtain a snapshot of open files so that an in-use virtual disk image or database file, for example, will be backed up in a consistent state? Or does it just to a read-through that may result in a corrupted copy of the file in the backup if the file changes while it is being backed up?

Thanks.

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