Category: OEM( Oracle Enterprise Manager)

Oracle Enterprise Manager 12c,13c and more

How to Share Named Credentials Using a Role in OEM

In your environment, there are hundreds or even thousands of targets managed by OEM, and a doze or even hundreds of OEM administrators and users. In this case, effectively and securely managing Named Credentials ( NC ) is a challenging job. Usually, every OEM administrator or user creates and manages their own Named Credentials ( NC ). So many duplicate copies of Named Credentials ( NC ) are kept, it brings difficulties for updating them if any targets credentials changed.

This post demonstrates how to share a Named Credentials ( NC ) with many administrators and users in any size of OEM environment by using a role. Same as an Oracle database role, which can be granted to a role or a user.

The following content is only available to subscribers only.

Please Subscribe to Access Premium Content

Subscribe

How to Apply RU/RUR Patches onto Standalone Database using Fleet Maintenance in Oracle Enterprise Manager Cloud Control

Fleet maintenance uses the Out of Place Patching option with minimum downtime. Also this can be done only via emcli verb and there is no GUI option available.

This post demonstrates how to apply the latest Release Update DB July 2020 Release Update 19.8.0.0.200714   and  OJVM July 2020 Release Update 19.8.0.0.200714 onto standalone database.

Environment:

Primary Host/Database : oemnode1 / OEMREP
Standby Host/Database : stbnode1 / STBOEMREP
Current ORACLE_HOME   : /u01/app/oracle/product/19.0.0/dbhome_1
Referenced ORACLE_HOME: /u01/app/oracle/product/19.0.0/dbhome_2
REF_TARGET_NAME       : OraDB19Home2_8_oemnode1_8
New Out of Place ORACLE_HOME: /u01/app/oracle/product/19.0.0/dbhome_3

Subscribe to get access

Read more of this content when you subscribe today.

Subscribe

How to Apply Oracle Enterprise Manager 13c Release 4 Update 4 (13.4.0.4) for Oracle Management Service

This post demonstrates how to apply Enterprise Manager 13c Release 4 Update 4 (13.4.0.4) for Oracle Management Service.

The current latest OEM 13cR4( 13.4.0.0.0) Release Update ( RU ) is  “Oracle Enterprise Manager 13c Release 4 Update 4 (13.4.0.4) for Oracle Management Service”.

Subscribe to get access

Read more of this content when you subscribe today.

Subscribe

After patching, start up the OMS by running the following command:

[oracle@oemnode1 ~]$ emctl start oms
Oracle Enterprise Manager Cloud Control 13c Release 4
Copyright (c) 1996, 2020 Oracle Corporation. All rights reserved.
Starting Oracle Management Server…
WebTier Successfully Started
Oracle Management Server Successfully Started
Oracle Management Server is Up
JVMD Engine is Up
Starting BI Publisher Server …
BI Publisher Server Already Started
BI Publisher Server is Up
[oracle@oemnode1 ~]$

Verify Patch Applied

[oracle@oemnode1 ~]$ $ORACLE_HOME/OPatch/opatch lspatches
[oracle@oemnode1 ~]$ omspatcher lspatches|grep 31459685

ORA-20411: Monitoring credentials not set for target

While promoting auto-discovered targets in OEM 13.4, the following errors occur:

“ORA-20411: Monitoring credentials not set for target name RACTESTDB target type rac_database set nameDBCredsMonitoring”

After testing monitoring user DBSNMP credentials , all works fine.

WORKAROUND

Remove the auto discovered targets, and manually add them into OEM again by :

Setup -> Add Target -> Add Targets Manually -> Add Using Guided Process

Apply Oracle Coherence Patch onto OMS

This post demonstrates how to apply an Oracle Coherence patch onto 13.4 OMS home.

First thing to do is to download Oracle Coherence 12.2.1.3.7 patch binary “p31030882_122130_Generic.zip”, and unzip it onto a staging area.

Subscribe to get access

Read more of this content when you subscribe today.

Subscribe