Re: Offline enabling/disabling of data checksums

Am Dienstag, den 08.01.2019, 16:17 +0100 schrieb Fabien COELHO:
> > > Adding a new state to ControlFileData which would prevent it from
> > > starting?
> > 
> > But then you have to make sure the control flag gets cleared in any
> > case pg_verify_checksums crashes somehow or gets SIGKILL'ed ...
> 
> The usual approach is a restart with some --force option?
> 
> > Setting the checksum flag is done after having finished all blocks,
> > so
> > there is no problem.
> 
> There is also a problem if the db is started while the checksum is
> being 
> enabled.

What i mean is that interrupting pg_verify_checksums won't leave
pg_control in a state where starting the cluster won't work without any
further interaction.

Bernd.