David,

Good question which I don't know the answer at this moment, but hope to ferret out with Bert's assistance next weekend.

If we are correct in our understanding of how a comparative[differential] backup occurs with JungleDisk, then whether the file end-appends, or blocks in the middle are changed, the changed and/or new blocks of the physical file are the only one actually uploaded.

This will require some additional information and testing to validate.


Indy
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