On Thu, Jan 21, 2021 at 18:12:54 +0300, Andrey Fokin wrote: > Do you mean "experimental" feature to enable incremental backup? No, didn't > because I try to implement full buckup (not an incremental one). Or am I > missing something and it is the same? It's the same. Implementing lockouts for every single sub-feature which is actually complete would be too much of a hassle. If you don't do incrementals (don't create checkpoints) the snapshot/blockjob APIs will work as expected. And yes, it's still considered experimental.