Hi, On 2020-04-10 16:32:08 -0400, David Steele wrote: > On 4/10/20 4:09 AM, Michael Paquier wrote: > > > > I have noticed that attempting to use pg_basebackup from HEAD leads to > > failures when using it with backend versions from 12 and older: > > $ pg_basebackup -D hoge > > pg_basebackup: error: backup manifests are not supported by server > > version 12beta2 > > pg_basebackup: removing data directory "hoge" > > > > This is a bit backwards with what we did in the past to maintain > > compatibility silently when possible, for example look at the handling > > of temporary replication slots. Instead of an error when means to > > force users to have to specify --no-manifest in this case, shouldn't > > we silently disable the generation of the backup manifest? We know > > that this option won't work on older server versions anyway. > > I'm a bit conflicted here. I see where you are coming from, but given that > writing a manifest is now the default I'm not sure silently skipping it is > ideal.
I think we at the very least should add a hint about how to perform a backup without a manifest. Greetings, Andres Freund
