Monday Nov 11, 2013

Implementing Service Level Agreements in Enterprise Manager 12c for Oracle Packaged Applications

Contributed by Eunjoo Lee, Product Manager, Oracle Enterprise Manager.

Service Level Management, or SLM, is a key tool in the proactive management of any Oracle Packaged Application (e.g., E-Business Suite, Siebel, PeopleSoft, JD Edwards E1, Fusion Apps, etc.). The benefits of SLM are that administrators can utilize representative Application transactions, which are constantly and automatically running behind the scenes, to verify that all of the key application and technology components of an Application are available and performing to expectations.

A single transaction can verify the availability and performance of the underlying Application Tech Stack in a much more efficient manner than by monitoring the same underlying targets individually.

In this article, we’ll be demonstrating SLM using Siebel Applications, but the same tools and processes apply to any of the Package Applications mentioned above. In this demonstration, we will log into the Siebel Application, navigate to the Contacts View, update a contact phone record, and then log-out.

This transaction exposes availability and performance metrics of multiple Siebel Servers, multiple Components and Component Groups, and the Siebel Database - in a single unified manner. We can then monitor and manage these transactions like any other target in EM 12c, including placing pro-active alerts on them if the transaction is either unavailable or is not performing to required levels. The first step in the SLM process is recording the Siebel transaction. The following screenwatch demonstrates how to record Siebel transaction using an EM tool called “OpenScript”. A completed recording is called a “Synthetic Transaction”.

The second step in the SLM process is uploading the Synthetic Transaction into EM 12c, and creating Generic Service Tests. We can create a Generic Service Test to execute our synthetic transactions at regular intervals to evaluate the performance of various business flows. As these transactions are running periodically, it is possible to monitor the performance of the Siebel Application by evaluating the performance of the synthetic transactions. The process of creating a Generic Service Test is detailed in the next screenwatch. EM 12c provides a guided workflow for all of the key creation steps, including configuring the Service Test, uploading of the Synthetic Test, determining the frequency of the Service Test, establishing beacons, and selecting performance and usage metrics, just to name a few.

The third and final step in the SLM process is the creation of Service Level Agreements (SLA). Service Level Agreements allow Administrators to utilize the previously created Service Tests to specify expected service levels for Application availability, performance, and usage. SLAs can be created for different time periods and for different Service Tests. This last screenwatch demonstrates the process of creating an SLA, as well as highlights the Dashboards and Reports that Administrators can use to monitor Service Test results.

Hopefully, this article provides you with a good start point for creating Service Level Agreements for your E-Business Suite, Siebel, PeopleSoft, JD Edwards E1, or Fusion Applications. Enterprise Manager Cloud Control 12c, with the Application Management Suites, represents a quick and easy way to implement Service Level Management capabilities at customer sites.

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Monday Nov 04, 2013

Announcing: Oracle Enterprise Manager 12c Delivers Advanced Self-Service Automation for Oracle Database 12c Multitenant

New Self-Service Driven Provisioning of Pluggable Databases

Today Oracle announced new capabilities that support managing the full lifecycle of pluggable database as a service in Oracle Enterprise Manager 12c Release 3 (12.1.0.3). This latest release builds on the existing capabilities to provide advanced automation for deploying database as a service using Oracle Database 12c Multitenant option. It takes it one step further by offering pluggable database as a service through Oracle Enterprise Manager 12c self-service portal providing customers with fast provisioning of database cloud services with minimal time and effort.

This is a significant addition to Oracle Enterprise Manager 12c’s existing portfolio of cloud services that includes infrastructure as a service, database as a service, testing as a service, and Java platform as a service. The solution provides a self-service mechanism to provision pluggable databases allowing users to request and access database(s) on-demand. The self-service operations are also enabled through REST APIs allowing customers to integrate with third-party automation systems or their custom enterprise portals.

Benefits

  • Self-service provisioning allows rapid access to pluggable database as a service for hosting or certifying applications on Oracle Database 12c
  • Self-service driven migration to pluggable database as a service in order to migrate a pre-Oracle Database 12c database to a pluggable database as a service model and test the consolidation strategy
  • Single service catalog for all approved pluggable database as a service configurations which helps customers achieve standardization while catering to all applications and users in the enterprise
  • Resource guarantee via database resource manager (and IORM on Oracle Exadata) that enables deployment of mixed workloads in a shared environment
  • Quota, role based access, and policy based management that enforces governance and reduces administrative overhead
  • Chargeback or showback which improves metering and accountability for services consumed by each pluggable database
  • Comprehensive REST APIs that support integration with ticketing or change management systems, and or with other self-service portals
  • Minimal administrative and maintenance overhead through self-managing automation that allows for intelligent placement of pluggable databases

To understand how pluggable database as a service works, watch this quick demo:


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Saturday Nov 02, 2013

Sending notification after an event has remained open for a specified period

Enterprise Manager (EM) 12c allows you to create an incident rule to send a notification and/or create an incident after an event has been open for a specified period. Such an incident rule will help prevent premature alerts on issues that may correct themselves within a certain amount of time.

For example, there are some agents in an unstable network area, and often there are communication failures between the agents and the OMS lasting three, four minutes at a time. In this scenario, you may only want to receive alerts after an agent in that area has been in the Agent Unreachable status for at least five minutes.

Note: Many non-target availability metrics allow users to specify the “number of occurrences” or the number of consecutive times metric values reach thresholds before a notification is sent. It is best to use the feature for such metrics.


This article provides a step-by-step guide for creating an incident rule set to cater for the above scenario, that is, to create an incident and send a notification after the Agent Unreachable event has remained open for a five-minute duration.


Steps to create the incident rule

1.     Log on to the console and navigate to Setup -> Incidents -> Incident Rules.

Note: A non-super user requires the Create Enterprise Rule Set privilege, which is a resource privilege, to create an incident rule.


The Incident Rules - All Enterprise Rules page displays.


2.     Click Create Rule Set …

The Create Rule Set page displays.


3.     Enter a name for the rule set (e.g. Rule set for agents in flaky network areas), optionally enter a description, and leave everything else at default values, and click + Add.

The Search and Select: Targets page pops up.


Note:  While you can create a rule set for individual targets, it is a best practice to use a group for this purpose.



4.     Select an appropriate group, e.g. the AgentsInFlakyNework group. The Select button becomes enabled, click the button.

The Create Rule Set page displays.


5.     Leave everything at default values, and click the Rules tab.

The Create Rule Set page displays.


6.     Click Create…

The Select Type of Rule to Create page pops up.


7.     Leave the Incoming events and updates to events option selected, and click Continue.

The Create New Rule : Select Events page displays.


8.     Select Target Availability from the Type drop-down list.

The page shows more options for Target Availability.


9.     Select the Specific events of type Target Availability option, and click + Add.

The Select Target Availability events page pops up.


10.   Select Agent from the Target Type dropdown list.

The page expands.


11.   Click the Agent unreachable checkbox, and click OK.


Note: If you want to also receive a notification when the event is cleared, click the Agent unreachable end checkbox as well before clicking OK.


The Create New Rule : Select Events page displays.


12.   Click Next.

The Create New Rule : Add Actions page displays.


13.   Click + Add.

The Add Actions page displays.


14.   Do the following:

a.     Select the Only execute the actions if specified conditions match option (You don’t want the action to trigger always).

The following options appear in the Conditions for Actions section.

b.     Select the Event has been open for specified duration option.

The Conditions for actions section expands.

c.     Change the values of Event has been open for to 5 Minutes as shown below.

d.     In the Create Incident or Update Incident section, click the Create Incident checkbox as following:

e.     In the Notifications section, enter an appropriate EM user or email address in the E-mail To field.

f.     Click Continue (in the top right hand corner).

The Create New Rule : Add Actions page displays.


15.   Click Next.

The Create New Rule : Specify name and Description page displays.


16.   Enter a rule name, and click Next.

The Create New Rule : Review page appears.


17.   Click Continue, and proceed to save the rule set.

The incident rule set creation completes.

After one of the agents in the group specified in the rule set is stopped for over 5 minutes, EM will send a mail notification and create an incident as shown in the following screenshot.



In conclusion, you have seen the steps to create an example incident rule set that only creates an incident and triggers a notification after an event has been open for a specified period. Such an incident rule can help prevent unnecessary incidents and alert notifications leaving EM administrators time to more important tasks.

- Loc Nhan

Monday Oct 28, 2013

EM CLI, diving in and beyond!

Doing more in less time… Isn’t that what we all strive to do?

With this in mind, I put together two screen watches on Oracle Enterprise Manager 12c command line interface, or EM CLI as it is also known.

There is a wealth of information on any topic that you choose to read about, from manual pages to coding documents…might I even say blog posts? In our busy lives it is so nice to just sit back with a short video, watch and learn enough to dive in.

Doing more in less time, is the essence of EM CLI. It enables you to script fundamental and complex administrative tasks in an elegant way, thanks to the Jython scripting language. Repetitive tasks can be scripted and reused again and again. Sure, a Graphical User Interface provides a more intuitive step by step approach to tasks, and it provides a way of quickly becoming familiar with a product and its many features, and it is definitely the way to go when viewing performance data and historical trending…but for repetitive and complex tasks, scripting is the way to go!

Lets us take the everyday task of creating an administrator.

Using EM CLI in interactive mode the command could look like this..

emcli>create_user(name='jan.doe', type='EXTERNAL_USER')

This command creates an administrator called jan.doe which is an externally authenticated user, possibly LDAP or SSO, defined by the EXTERNAL_USER tag. The create_user procedure takes many arguments; see the documentation for more information.

Now, where EM CLI really shines and shows power is in creating multiple users. Regardless of the number, tens or thousands, the effort is the same. With the use of a standard programming construct, a loop, you can place your create_user() procedure within it. Using a loop allows you to iterate through a previously created list, creating new users until the list is complete.

Using EM CLI in Script mode, your Jython loop would look something like this…

for user in list_of_users:

      create_user(name=user, expire=’true’, password=’welcome123’) 

This Jython code snippet iterates through a previously defined list of names, list_of_users, and iterates through the list, taking each name, user in this case, and creates an administrator sets the password to welcome123, but forces the user to reset it when they first login.

This is only one of over four hundred procedures created to expose Oracle Enterprise Manager 12c functionality in a powerful and programmatic way.

It is a few months since we released EM CLI with scripting option. We are seeing many users adapt to this fun and powerful way of using Oracle Enterprise Manager 12c.

What are the first steps?

Watch these screen watches, and dive in.

The first screen watch steps you through where and how to download and install and how to run your first few commands.


The Second screen watch steps you through a few scripts.

Next time, I am going to show you the basic building blocks to writing a Jython script to perform Oracle Enterprise Manager 12c administrative tasks.

Join this growing group of EM CLI users…. Dive in!

Thursday Oct 24, 2013

Oracle Enterprise Manager Partner Spotlight: Compasso

EVERY MONDAY at 2 PM Eastern Time (USA)

Join Compasso, one of Oracle's Enterprise Manager partners that is Specialized in Application Quality Management, for a series of presentations focused on Oracle end to end performance management.

The objective is to provide a comprehensive overview of Oracle's Enterprise Manager 12c software.  Attendees will learn how Oracle can provide a complete end to end management  solution, for not only for Oracle Databases, but also other aspects of the Oracle technology, such as Middleware and Oracle applications.  Key areas include:

1. Next-Generation Management Framework which cover:

  • Better performance and scalability
  • Modular, extensible architecture
  • Easier to manage and diagnose
  • Enhanced security
  • Web 2.0 UI
2. Enhanced Application-to-Disk Management
  • End-to-end application performance management
  • Fusion Applications management
  • Exadata and Exalogic management
3. Complete Lifecycle Management for Enterprise Private Cloud
  • Self-service provisioning
  • Policy based resource and workload management
  • Chargeback

There are two ways you can sign up:

1. Call Nicole Wakefield of Compasso at +1 (971) 245-5042
2. Email nwakefield@compasso.com.br with Subject Line of "Monday Enterprise Manager Presentations"

WebEx Conference details will be provided with your confirmation

For more information about partner opportunities with Enterprise Manager, including becoming Specialized, click here.

For more information about Compasso, click here.




Thursday Oct 17, 2013

IOUG SIG Webcast on October 30th : Performance Tuning your DB Cloud


The Oracle Enterprise Manager Special Interest Group (SIG) is a growing body of IOUG members who manage or are interested in all aspects of Oracle Enterprise Manager. This IOUG SIG is managed by volunteers and supported by Oracle Enterprise Manager product managers and developers. The purpose of the SIG is to bring relevant information and education through webcasts, discussions and networking to users interested in learning more about the product, and to share user experiences.

On October 30th at 10 AM pacific time, Oracle Enterprise Manager SIG is hosting a webcast on "Performance Tuning your DB Cloud in OEM 12c Cloud Control - 360 Degrees". In this webcast, Tariq Farooq , CEO, BrainSurface and Mike Ault, Oracle  will provide a tutorial on how to monitor and perform performance tuning of the Oracle database cloud environment.

You will learn how to leverage Oracle Enterprise Manager for tuning, trouble-shooting & monitoring your Oracle Database Cloud Ecosystem. The session covers lessons learned, tips/tricks, recommendations, best practices, gotchas and a whole lot more on how to effectively use Oracle Enterprise Manager Cloud Control 12c for quick, easy & intuitive performance tuning of your Oracle Database Cloud.

Session Objectives:
• Leveraging OEM12c Cloud Control for Oracle DB Tuning/Monitoring
• Limited Deep-Dive on AWR
• Oracle DB Cloud Performance Tuning
• Best Practices for DB Cloud Maintenance/Monitoring

Register Now !

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Wednesday Oct 02, 2013

Highlights from Oracle Enterprise Manager General Session featuring Oracle customers & ACEs

The Oracle Enterprise Manager General session at Oracle Open World 2013 highlighted the efforts of everyday heroes who are driving their IT organizations’ journeys to a more efficient and agile IT. These heroes shared their experiences in deploying and managing large-footprint Oracle stack environments encompassing Oracle Applications, Oracle Fusion Middleware, Oracle Database, and Oracle engineered systems. The session also covered Oracle Enterprise Manager’s own journey as a product in this context and also gave a sneak preview of what’s to come.

Here the is storify highlights from the general session.

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Thursday Sep 19, 2013

IOUG Oracle Enterprise Manager SIG Panel Discussion at Oracle OpenWorld

Oracle Enterprise Manager Panel Discussion will be the final session on Sunday before the opening keynote. It will also serve as the EM special interest group (SIG) meeting.  It will be a great  opportunity to meet with colleagues, peers, and subject matter experts to share best practices, tips, and techniques around Oracle technologies. In addition to the Oracle usergroup experts, Oracle executives and experts will be available to answer questions and listen to the user feedback.

If you cannot make it to the session, the IOUG and Oracle Enterprise Manager teams invite you to join a Twitter Chat during this session on Sunday, Sep. 30th from 3:30 PM to 4:30 PM PST.  IOUG leaders, Enterprise Manager SIG contributors and many Oracle Users Forum speakers will answer questions related to their experience with Oracle Enterprise Manager and the activities and resources available for  Enterprise Manager SIG members.

You can participate in the chat using hash tag #em12c on Twitter.com or by going to  tweetchat.com/room/em12c      (Needs Twitter credential for participating). 

Don't forget to join us at the Oracle Enterprise Manager General Session on Tuesday at noon that features many real-world IT heroes who will share their personal journeys with Oracle Enterprise Manager. A full listing of Oracle Enterprise Manager activities at Oracle Enterprise Manager is available at the Focus-on document.

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Wednesday Sep 18, 2013

Learn from Korea Telecom and HDFC about their private cloud journey at Oracle Open World

Join us and listen to Korea Telecom and HDFC in the  Zero to Cloud: Real Customers, Real-World Success Stories [CON9585] at Oracle Open World on Tuesday, Sep 24, at 10:30 AM - 11:30 AM in #305 , Moscone South.

In this session, real customers will discuss their real successes as early adopters,  revealing how they were able to organize IT resources into a cloud, enable self service provisioning, publish self service applications and meter and manage the cloud. We'll walk you through their best practices and customer experiences in implementing clouds in the real world for greater agility, IT efficiency and reduced costs.

You will learn how the Data Centers of Korea Telecom transformed to offer Private and Public Infrastructure Services. HDFC will share how they continued their private cloud through Database Schema as a Service.

Don't forget to join us at the Oracle Enterprise Manager General Session that features many real-world IT heroes who will share their personal journeys with Oracle Enterprise Manager. A full listing of Oracle Enterprise Manager activities at Oracle Enterprise Manager is available at the Focus-on document.

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Tuesday Sep 17, 2013

Listen to the CTO of SUNY on Deploying Applications in a Private Cloud with Oracle Enterprise Manager

Join us listen to the CTO of SUNY on Deploying Applications in a Private Cloud with Oracle Enterprise Manager at at Oracle Open World on Wednesday, Sep 25 at 10:15 AM - 11:15 AM in #308 , Moscone South.

A typical real world multi-tired applications include Oracle Databases, Oracle Weblogic Server, Oracle Fusion Middleware, web servers, security infrastructures, messaging etc. They also have specific infrastructure requirements like servers, OS, stroage, network, load balancer. It can be quite a chore for DBAs, Fusion Middleware Administrators and System Administrators to deploy and configure such applications. And they need to be deployed in multiple environments like development, test, user acceptance, production.

This session talks about key Enterprise Manager 12c cloud automation capabilities which allow for such applications to be rapidly deployed by the end users like developers/testers themselves through self service, with metering and charge back. System Administrators just need to define application templates and make them available to developers/testers while rest is taken care of by Enterprise Manager. This also enforces standardization with respect to configuration, compliance, security, availability of the different application components.

The session will provide technical details about how to leverage technologies such as Virtualization, Infrastructure as a Service, Database as a Service, Middleware as a Service, Storage/Network provisioning, pooling and consolidation of hardware resources, Oracle Engineered Systems like Exadata, Exalogic etc. to create a private cloud for such applications.

Don't forget to join us at the Oracle Enterprise Manager General Session that features many real-world IT heroes who will share their personal journeys with Oracle Enterprise Manager. A full listing of Oracle Enterprise Manager activities at Oracle Enterprise Manager is available at the Focus-on document.

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Oracle Enterprise Manager 12c Upgrade sessions at Oracle OpenWorld 2013

This year @ Oracle OpenWorld 2013 we have customers Wells Fargo and Colorcon sharing their success stories and real-life lessons about upgrading to Oracle Enterprise Manager 12.1.0.x. then come join us for the below session: 

https://oracleus.activeevents.com/2013/connect/sessionDetail.ww?SESSION_ID=9588&tclass

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Monday Sep 16, 2013

Join Real-world IT Heroes & Oracle ACEs in Oracle Enterprise Manager 12c General Session

This year at Oracle Open World, the Oracle Enterprise Manager General Session features many real-world IT heroes who will share their personal journeys with Oracle Enterprise Manager.


In this highly educational and entertaining general session on Tuesday, Sep 24 from 12:00 PM to 1:00 PM in Room #103, Moscone South, you can learn about the efforts of everyday heroes such as you who are driving their IT organizations’ journeys to a more efficient and agile IT. You’ll hear about the experiences of these heroes in deploying and managing large-footprint Oracle stack environments encompassing Oracle Applications, Oracle Fusion Middleware, Oracle Database, and Oracle engineered systems. The presentation places Oracle Enterprise Manager’s own journey as a product in context and also gives you a sneak preview of what’s to come.

You can join us on twitter during the general session as well .You can join the conversation using hash tag #em12c on Twitter.com or by going to  tweetchat.com/room/em12c  (Needs Twitter credential for participating).  

You will also see the preview trailer of the upcoming Sci-fi movie Cloud Odyssey : A Hero's Quest   for the first time in the  Oracle Enterprise Manager General Session.  Visit the Cloud Odyssey booth (next to the Tap and Brew!)in Moscone West to learn more and join the crew!


A full listing of Oracle Enterprise Manager activities at Oracle Enterprise Manager is available at the Focus-on document.

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Thursday Aug 29, 2013

Go from Zero to Deploying Oracle Database and Applications in the Cloud

Imagine being able to build, deploy, and manage an enterprise private cloud in a matter of hours.

Is it possible? Yes, it is.

Join us for this special online event featuring interactive product demos using real-world IT scenarios to see how it’s done. This webcast will start with a keynote by Sushil Kumar, Vice President, Oracle. This is your opportunity to get a comprehensive overview of how to transform to the private cloud and ask questions of product experts.


Learn how to:

  • Use Oracle hardware and software products to deploy an enterprise cloud
  • Deliver and manage database, applications, and shared IT infrastructures on enterprise private clouds
  • Propel your high-value enterprise applications to the cloud faster and with less effort
Register now for this webcast and take your enterprise to the private cloud in a matter of hours.


Presenters:


Sushil Kumar

Vice President, Business Development and Product Strategy,
Oracle


Martin Pena

Director, Oracle Enterprise Manager Product Management,
Oracle


Anand Akela

Senior Principal Product Marketing Director, Oracle Enterprise Manager,
Oracle



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Tuesday Aug 27, 2013

Enterprise Manager sessions by Usergroup members at Oracle Openworld 2013 SIG Sunday

Oracle Enterprise Manager 12c

User Group Forum Sessions

Sunday, September 22, 2013 - Moscone West

The IOUG's Enterprise Manager Special Interest Group (EM SIG) wants to let you know of an awesome line-up of Enterprise Manager sessions awaits those who can be there on "SIG Sunday" of Oracle OpenWorld!  It promises to be an interesting mix of real-world use cases and panel discussions from implementers and users.  Click the titles on the listing below for session abstracts. 

Make sure you come early.  Last year many of these sessions were full and folks had to be turned away, so don't let that happen to you.  All sessions will be in the user pavilion area in Moscone West.  While you are there you can stop by the User Group booths in the pavilion to learn more about IOUG in between the sessions.

At the final session of the day, Oracle Enterprise Manager Panel Discussion will also serve as the EM special interest group (SIG) meeting.  It will be a great  opportunity to meet with colleagues, peers, and subject matter experts to share best practices, tips, and techniques around Oracle technologies. In addition to the Oracle usergroup experts, Oracle executives and experts will be available to answer questions and listen to the user feedback.

If you cannot make it to the session, the IOUG and Oracle Enterprise Manager teams invite you to join a Twitter Chat during this session on Sunday, Sep. 30th from 3:30 PM to 4:30 PM PST.  IOUG leaders, Enterprise Manager SIG contributors and many Oracle Users Forum speakers will answer questions related to their experience with Oracle Enterprise Manager and the activities and resources available for  Enterprise Manager SIG members.

You can participate in the chat using hash tag #em12c on Twitter.com or by going to  tweetchat.com/room/em12c      (Needs Twitter credential for participating). 

A full listing of Enterprise Manager activities at OOW is available at the Focus-on EM 12c document.

Session Name
Time Room ID
Extending Oracle Enterprise Manager 12c Features/Functionality: Oracle Application Express
Todd Bellaver, Secure 24 LLC

8-9 AM

3005 UGF9793
Oracle RAC Performance with Oracle Enterprise Manager 12c and AWR—Interconnect Troubleshooting
Tim Quinlan, Scotiabank

8-9 AM

3016
UGF9804
I Have to Patch Again? Patch Management with Oracle Enterprise Manager 12c
Bobby Curtis, BIAS Corporation.

9:15-10:15 AM

3005 UGF9772
 Managing Oracle Enterprise Manager Cloud Control 12c with Oracle Clusterware
Leighton Nelson, Mercy Health

10:30-11:30 AM

3005 UGF9794
Oracle Enterprise Manager 12c, Oracle Database 12c, and You
Bobby Curtis, BIAS Corporation.

1-2 PM

3004 UGF9764
Simplify Database Performance Analysis with Oracle Enterprise Manager 12c for Monitoring
Sam Lucido, EMC CORPORATION

1-2 PM

3005 UGF9807
Clustering/High Availability with Oracle VM and Oracle Enterprise Manager 12c: 360 Degrees
Tariq Farooq, BrainSurface & Kai Yu, Dell, Inc.

1-2 PM

3016
UGF9803
Oracle Enterprise Manager Command-Line Interface Illustrated
Ray Smith, Portland General Electric

2:15-3:15 PM

3005 UGF9773
Cloud Computing, Oracle VM, and Oracle Enterprise Manager 12c Best Practices: Expert Panel
Michael Ault, IBM; Tariq Farooq, BrainSurface; Syed Jaffar Hussain, Alinma Bank; Charles Kim, Viscosity North America
2:15-3:15 PM 3018
UGF9756
Oracle Enterprise Manager Panel Discussion
Kris Cook, SITA; Bobby Curtis, BIAS Corporation; Seth Miller, St. Jude Medical; Ray Smith, Portland General Electric

3:30-4:30 PM

3005 UGF9808


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Thursday Aug 22, 2013

Reduce Oracle Enterprise Manager 12c Patch Set Upgrade Downtime

As Product Manager for Oracle Enterprise Manager, one question that is often being asked to me is how much is the upgrade downtime and how it can be reduced? 

One easy way to reduce the downtime while doing patch set upgrades is to perform Software only upgrade and then shutdown the existing OMS for the upgrade. This approach will not completely eliminate the downtime but reduce it to a great extent. 

When I mention patch set upgrade, we cover following upgrade paths:

a) 12.1.0.1 (with Bundle Patches 1) to 12.1.0.2/ 12.1.0.3

b) 12.1.0.2 to 12.1.0.3

Following table compares the steps required for regular installation (OUI) and software only installation.


 As you may notices from the steps listed above, regular OUI upgrade requires stopping OMS before invoking runInstaller and keeping it down until the upgrade is complete. On the other hand Software only upgrade first copies the bits and sets up the environment before stopping OMS, thus reducing the upgrade downtime.

Next comes Agent upgrade. While we recommend Agent Upgrade Console (AUC) to upgrade agents from 12.1.0.1 (with bundle patch1) /12.0.1.02 to 12.0.1.3, sometimes it’s not clear what happens during the Agent upgrade and when is the actual downtime . So here are high level steps describing the complete process: 


The actual downtime while doing the agent upgrade is on step9 where we shut down your old agent. When the agent is in blackout from step 1 to 8 it still collect’s all the monitoring data so there is no loss. 

More Information: It is recommended to go through the below checklist notes before starting your upgrade 

MOS note 1568143.1 - EM 12c R3: Checklist for Upgrading Enterprise Manager Cloud Control from Version 12.1.0.x to 12.1.0.3

MOS Note  1569883.1 EM 12c R3: Checklist for Upgrading Management Agents Version 12.1.0.x to 12.1.0.3

Collateral :

 EM 12.1.0.3 Install and Upgrade collateral page(PPT,Recorded demo,Whitepapers) on OTN:http://www.oracle.com/technetwork/oem/install-upgrade/index.html

Understanding Enterprise Manager 12.1.0.3 Upgrade and Agent Upgrades
http://www.oracle.com/technetwork/oem/install-upgrade/em-12103-upgrade-1967205.pdf

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