On Wed, 28 Feb 2018 13:49:33 -0500 Rui DeSousa <rui.desousa@xxxxxxxxxx> wrote: > Really? I think you really need to think about it. You are dealing > with a race condition. Not at all, assuming rsync is being called by PostgreSQL's archive_command. > You are dealing with a race condition involving filesystem metadata. Nope. Not true. What are the things that are racing? If you rsync data to make a base backup, then yes, use -c... but not because of any race condition. Instead, it's because of the coarse filesystem timestamp granularity. Regards, Dianne.