On Fri, Feb 16, 2018 at 10:43:54AM +0800, Sampson Fung wrote:
> I have snapshot A on Drive_A.
> I send snapshot A to an empty Drive_B. Then keep Drive_A as backup.
> I use Drive_B as active.
> I create new snapshot B on Drive_B.
>
> Can I use btrfs send/receive to send incremental differences back to Drive_A?
> What is the correct way of doing this?
You can't do it with the existing tools -- it needs a change to the
send stream format. Here's a write-up of what's going on behind the
scenes, and what needs to change:
https://www.spinics.net/lists/linux-btrfs/msg44089.html
Hugo.
--
Hugo Mills | I can't foretell the future, I just work there.
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PGP: E2AB1DE4 |The Doctor
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