cloud-control-12cr5-to-13cr1-upgrad

Upgrade Oracle Enterprise Manager Cloud Control 12c Release 5 (12cR5) to 13c
Release 1 (12cR1)

This article describes a simple upgrade of Enterprise Manager Cloud
Control 12c Release 5 (12cR5) to 13c Release 1 (12cR1). Each upgrade
potentially requires additional steps, so this is not meant as a
replacement for reading the [42]documentation.
* [43]Software
* [44]Prerequisites
* [45]Cloud Control 13c Installation and Upgrade
* [46]Agent Upgrade
* [47]Startup/Shutdown

Related articles.
* [48]Oracle Enterprise Manager Cloud Control 13c Post-Installation
Setup Tasks
* [49]Oracle Enterprise Manager Cloud Control 13c Release 1
(13.1.0.0) Installation on Oracle Linux 6 and 7

Software

Download the following software:
* [50]Enterprise Manager Cloud Control 13c Release 1 (13.1.0.0)
(x86_64)

Prerequisites

Before you consider an upgrade, consider the following points.
* Cloud Control 13c is not supported on OL5/RHEL5. If your current
installation is on OL5/RHEL5, you might be better doing a fresh
installation and migrating your targets.
* The repository database must be version 12.1.0.2. If you have a
database version prior to this, you will need to upgrade it before
doing the upgrade of Cloud Control. Database upgrades are discussed
[51]here. In this case, turn off the OMS and agent, upgrade the
database and turn the OMS and agent back on. Assuming you've not
changed the listener port, the old version of the OMS should work
fine after the upgrade.

Assuming your database version and OS version are OK, you will need to
set the following parameters and restart the database before starting
the Cloud Control upgrade.
ALTER SYSTEM SET COMPATIBLE='12.1.0.2.0' SCOPE=SPFILE
ALTER SYSTEM SET optimizer_adaptive_features=false SCOPE=SPFILE;

Make sure the privileges for the DBMS_RANDOM package are as described
in the documentation. This should already be done as it was a
requirement for the 12.1.0.5 installation, but it's worth checking.
export ORACLE_SID=emrep
export ORAENV_ASK=NO
. oraenv
export ORAENV_ASK=YES

sqlplus / as sysdba

GRANT EXECUTE ON dbms_random TO dbsnmp;
GRANT EXECUTE ON dbms_random TO sysman;
REVOKE EXECUTE ON dbms_random FROM public;

Make sure there are no invalid objects in the repository database.
SELECT owner, object_name, object_type
FROM dba_objects
WHERE status = 'INVALID'
AND owner IN ('SYS', 'SYSTEM', 'SYSMAN', 'MGMT_VIEW', 'DBSNMP', 'SYSMAN_MDS')
;

If you have any, recompile them using the following commands. Only pick
the schemas that have invalid objects though.
EXEC UTL_RECOMP.recomp_serial('SYS');
Source .... : https://oracle-base.com/articles/13c/cloud-control-12cr5-to-13cr1-upgrade
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