Lowell Gilbert wrote:
Bernard Dugas <bern...@dugas-family.org> writes:

I want to extract the list of files changed between 2 snapshots, to be
able to do efficient backups.

Any idea where to find a document about snapshots internal structure ?

Or if you know any port that already do this :-?

An easier way would be to generate an mtree(1) description for each
snapshot, and using that to compare against other snapshots.  You have
to mount the snapshot for that, though...

Thanks for your answer, sorry not to be clear on the goal : find the changed files without having to read the whole LARGE disk.

By definition, snapshot files have internally the list of block changed. So i would like to have a description of the internal structure of a snapshot file and a way to find the file by which any changed block is owned.

Best regards,
Bernard DUGAS Mobile +33 615 333 770
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