Re: backup_label in a crash recovery

Fujii Masao <masao.fujii@gmail.com> writes:
> I wonder why backup_label isn't automatically removed
> in normal crash recovery case.

Removing it automatically could be catastrophic if done incorrectly, no?

> If that's intentional, a clusterware for shared disk
> failover system should remove backup_label whenever
> doing failover.

It would be no less catastrophic if done incorrectly from outside the
postmaster; see for example the problems people have had historically
with startup scripts that think they should remove postmaster.pid.
        regards, tom lane