02.02.2021 10:53, Hugo Mills пишет: > On Mon, Feb 01, 2021 at 11:51:06PM +0100, Christoph Anton Mitterer wrote: >> On Mon, 2021-02-01 at 10:46 +0000, Hugo Mills wrote: >>> It'll fail *obviously*. I'm not sure how graceful it is. :) >> >> Okay that doesn't sound like it was very trustworthy... :-/ >> >> Especially this from the manpage: >> You must not specify clone sources unless you guarantee that these >> snapshots are exactly in the same state on both sides—both for the >> sender and the receiver. >> >> I mean what should the user ever be able to guarantee... respectively >> what's meant with above? >> >> If the tools or any option combination thereof would allow one to >> create corrupted send/received shapthots, then there's not much a user >> can do. >> If this sentence just means that the user mustn't have manually hacked >> some UUIDs or so... well then I guess that's anyway clear and the >> sentence is just confusing. > > It means that (a) the snapshots should exist, and (b) you shouldn't > use the tools to make any of them read-write, make modifications, and > make them read-only again. (and (c), as you say, don't modify the > UUIDs). >
There was patch that cleared received_uuid if snapshot was made read-write. Not sure what happened to it.