How to Tune OEM 13c Agent Parameters when Agent is Monitoring Big Amount of Targets

In Exadata environment, the OEM agent is monitoring up to one hundred of targets. The agent always stopped or bounced by itself with the following different errors. This post demonstrates how to tune the agent parameters to improve the agent satiability and performance.

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How to Apply Oracle Enterprise Manager 13c Release 4 Update 15 (13.4.0.15) in Multi Oracle Management Services Environment

In another post, we demonstrated How to Apply Oracle Enterprise Manager 13c Release 4 Update 15 (13.4.0.15) for Single Oracle Management Service.

This post will demonstrate how to apply Enterprise Manager Release Update (13.4.0.15) for multi-OMS. This post can also be used as a reference for applying other OMS release updates.

prerequisites
backup repository database and middleware home
download and install the latest OPatch
download and install the latest OMSPatcher
download and install OMS release update 13.4.0.15 onto multi-OMS
learnt lessons

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After patching, start up the OMS by running the following command on all OMS hosts.

$ 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
$

Verify Patches Applied

[oracle@oemnode1 ~]$ $ORACLE_HOME/OPatch/opatch lspatches
[oracle@oemnode1 ~]$ omspatcher lspatches|grep 33834542

How to Apply Oracle Enterprise Manager 13c Release 4 Update 15 (13.4.0.15) for Oracle Management Service

This post demonstrates how to apply Enterprise Manager 13c Release 4 Update 15 (13.4.0.15) for Oracle Management Service. This post can also be used as a reference for applying other OMS release updates.

prerequisites
backup repository database and middleware home
download and install the latest OPatch
download and install the latest OMSPatcher
download and install OMS release update 13.4.0.15
resume patching process after patching process failed

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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 Patches Applied

[oracle@oemnode1 ~]$ $ORACLE_HOME/OPatch/opatch lspatches
[oracle@oemnode1 ~]$ omspatcher lspatches|grep 33834542

Oracle Enterprise Manager 13c Cloud Control Agent Shows Agent Unreachable Status

One of client’s OEM agent is working fine, but OEM console show “Agent Unreachable’ for this agent and all the other targets monitored by this agent.

Agent Unreachable

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“Server not initialized. Please make sure the repository is ready” from Accessing BIP Console in OEM

After two nodes OMS upgraded to new version, when clicking BI Publisher Enterprise Reports, the follow error “Server not initialized. Please make sure the repository is ready.” occurs:

Sometimes you might get the following errors:

“Cannot retrieve the list of reports from BI Publisher. Enterprise Manager cannot establish a connection to BI Publisher.”

SOULUTION

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