Hi Matt,
> On 09. Nov, 2020, at 18:00, Matt Zagrabelny <mzagrabe@d.umn.edu> wrote:
>
> Hello,
>
> I see the --data-checksums option for initdb. Is it possible to use --data-checksums after the cluster has been
initialized?I'm guessing "not", but thought I'd ask.
>
> I'm running v12 on Debian.
>
> Thanks for any help!
indeed, it is. Have a look at:
https://www.postgresql.org/docs/12/app-pgchecksums.html
Make sure the database is cleanly shut down before doing it.
Cheers,
Paul
