On Wed, 2021-02-17 at 11:39 +0530, Atul Kumar wrote: > I have upgrade the postgres cluster from 9.5 to 9.6 using pg_upgarde > utility with -k option. > > Now I just wanted to be confirmed that is it safe to run > delete_old_cluster.sh file as we have used -k option that must created > hard links with old cluster.
It is absolutely safe. It would actually be quite unsafe *not* to delete the old cluster, because if anybody managed to start it, data corruption would be the consequence. Yours, Laurenz Albe -- Cybertec | https://www.cybertec-postgresql.com
