Btrfs supports the "no dump" file attribute and it is preserved when taking snapshots. But after sending such a snapshot to another Btrfs using btrfs send
and btrfs receive
, all values of the "no dump" attribute are lost. By contrast the "compress data" attribute values are preserved through that procedure. Why?
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Dzamo Norton
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The helpful folk at #btrfs pointed out to me that the answer is up on the web. That answer is that, as of the time of writing, it's a work in progress.
https://btrfs.wiki.kernel.org/index.php/Design_notes_on_Send/Receive#Send_stream_v2_draft
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Dzamo Norton
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- 5