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Fix Oracle 19c installation on RHEL 9 (prereqs_installer_9)
Problem
Oracle 19c installations on RHEL 9 failed during the OPatch patch application
with exit code 73 at the relink step. Root cause: every 19c vars file used a
two-way condition (
RHEL 7or elseRHEL 8), causing RHEL 9 hosts to silentlyreceive the
el8Oracle preinstall RPM. This RPM omitscompat-openssl11andlibxcrypt-compat, which Oracle requires on RHEL 9. OPatch failed at relinkbecause those libraries were absent at link time.
Oracle's documentation confirms RHEL 9 support for Oracle 19c from RU 19.19:
https://docs.oracle.com/en/database/oracle/oracle-database/19/lacli/supported-red-hat-enterprise-linux-9-distributions-for-x86-64.html
Fix
Added
prereqs_installer_9pointing at theel9Oracle preinstall RPM andupdated the condition from two-way to three-way in all 19c vars files that
officially support RHEL 9 (RU ≥ 19.19):
v19.20throughv19.31(10 files).The pattern follows the existing approach already used in
v23.26.2.0.0.yml.v19.3andv19.14are unchanged — Oracle does not certify those RUs for RHEL 9.