On Mon, Oct 16, 2023 at 05:48:43PM +0200, Laurenz Albe wrote: > I don't have strong feelings either way. If you have backup_label > but no signal file, starting PostgreSQL may succeed (if the WAL > with the checkpoint happens to be in pg_wal) or it may fail with > an error message. There is no danger of causing damage unless you > remove backup_label, right?
A bit more happens currently if you have a backup_label with no signal files, unfortunately, because this causes some startup states to not be initialized. See around here: https://www.postgresql.org/message-id/Y/Q/17rpys7yg...@paquier.xyz https://www.postgresql.org/message-id/Y/v0c+3W89NBT/i...@paquier.xyz > I cannot think of a use case where you use such a configuration on > purpose, and the current error message is more crypric than a plain > "you must have a signal file to start from a backup", so perhaps > your patch is a good idea. I hope so. -- Michael
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