Re: Offline enabling/disabling of data checksums

Hi,

Am Mittwoch, den 13.03.2019, 12:24 +0100 schrieb Magnus Hagander:
> On Wed, Mar 13, 2019 at 11:54 AM Sergei Kornilov <sk@zsrv.org> wrote:
> > One new question from me: how about replication?
> > Case: primary+replica, we shut down primary and enable checksum, and
> > "started streaming WAL from primary" without any issue. I have
> > master with checksums, but replica without.
> > Or cluster with checksums, then disable checksums on primary, but
> > standby think we have checksums.
> 
> Enabling or disabling the checksums offline on the master quite
> clearly requires a rebuild of the standby, there is no other way

What about shutting down both and running pg_checksums --enable on the
standby as well?


Michael

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