> I'm updating my database from 9.4 to 9.6 (Debian Jessie to Stretch). I
> think that it is a good opportunity to turn on data checksum.
> I don't have experience with cluster creation or moving a DB to a new cluster.
> I'll use pg_upgradecluster, but I don't see any option to turn of data 
> checksum.
> I took a look to the pg_upgradecluster script. I think that it invokes
> pg_createcluster. Therefore I think that I should get data checksums
> if I add in the file /etc/postgresql-common/createcluster.conf the
> following line:
> initdb_options = '--data-checksums'
> Is this correct?

Yes. Been there done that.


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