If you are using the same key from the previous machine then they may be de-duped as the commmand you are running has access to the previous archives. Each key is unique in a way that it should never have access to another machines data. Make sense ? On Thu, Sep 17, 2020 at 08:50:13AM +0100, Arthur Chance wrote: > Does tarsnap's de-dup work on one machine at a time or across all > machines in an account? > > The reason I ask is because I've moved a largish mail archive from one > machine to another and am unsure whether the backup on the new machine > will reuse the blocks from the old one, or whether I'll end up using > double the space. > > -- > The number of people predicting the demise of Moore's Law doubles > every 18 months. -- The fact that there's a Highway to Hell but only a Stairway to Heaven says a lot about anticipated traffic volume.
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