Progress ... there's something weird going on with the centos postgres
package(s). After a bunch of removes and installs of postgres the engine
install succeeded and the engine configuration succeeded.
Now it looks like not all of the postgresql libraries were loaded.
[root@ovirt1 ~]# engine-backup --mode=backup
--file=empty-2022-06-12-post-install.bak
Start of engine-backup with mode 'backup'
scope: all
archive file: empty-2022-06-12-post-install.bak
log file:
/var/log/ovirt-engine-backup/ovirt-engine-backup-20220612200130.log
psql: /lib64/libpq.so.5: no version information available (required by psql)
psql: /lib64/libpq.so.5: no version information available (required by psql)
psql: /lib64/libpq.so.5: no version information available (required by psql)
Backing up:
psql: /lib64/libpq.so.5: no version information available (required by psql)
psql: /lib64/libpq.so.5: no version information available (required by psql)
psql: /lib64/libpq.so.5: no version information available (required by psql)
Notifying engine
- Files
- Engine database 'engine'
Notifying engine
FATAL: Database engine backup failed
There's a version mismatch between the libpq and the postgresql verson:
[root@ovirt1 ~]# dnf info --installed libpq* postgresql*
Installed Packages
Name : libpq5
*Version : 14.3*Release : 42PGDG.rhel8
Architecture : x86_64
Size : 793 k
Source : libpq5-14.3-42PGDG.rhel8.src.rpm
Repository : @System
From repo : pgdg-common
Summary : PostgreSQL Client Library
URL :
https://www.postgresql.org/
License : PostgreSQL
Description : The libpq5 package provides the essential shared libraries
for any
: PostgreSQL client program or interface. You will need to
install this package
: to use any other PostgreSQL package or any clients that need
to connect to a
: PostgreSQL server.
Name : postgresql
*Version : 12.11*Release : 2.module_el8.6.0+1153+eb826827
Architecture : x86_64
Size : 5.4 M
Source : postgresql-12.11-2.module_el8.6.0+1153+eb826827.src.rpm
Repository : @System
From repo : appstream
Summary : PostgreSQL client programs
URL :
http://www.postgresql.org/
License : PostgreSQL
Description : PostgreSQL is an advanced Object-Relational database
management system (DBMS).
: The base postgresql package contains the client programs
that you'll need to
: access a PostgreSQL DBMS server, as well as HTML
documentation for the whole
: system. These client programs can be located on the same
machine as the
: PostgreSQL server, or on a remote machine that accesses a
PostgreSQL server
: over a network connection. The PostgreSQL server can be
found in the
: postgresql-server sub-package.