On Wed, Aug 25, 2021 at 11:47:57PM +0800, Sudhir Guna wrote: > Hi All, > > I would like to clarify on OS upgrade for PostgreSQL. > > Currently we are on PostgreSQL 9.6 on RHEL 7.5. We would like to do a > direct upgrade from RHEL 7.5 to RHEL 8.4 and then upgrade PostgreSQL 9.6 to > PostgreSQL 11. > > Is it ok to do a direct upgrade from RHEL 7.5 to RHEL 8.4 Please describe what you mean by a "direct upgrade" ? You should be careful, since the sort order of indexes can change: https://wiki.postgresql.org/wiki/Locale_data_changes | Version 8 uses the new locale data. Therefore, caution will be necessary when upgrading. > Is PostgreSQL 11 compatible with RHEL 8.4 How did you install postgres ? Compiled from source ? Using RHEL packages ? Using PGDG packages ? PDDG has pacakges for PG11/RH8 https://yum.postgresql.org/rpmchart/#pg11 -- Justin
