Oracle data guard concepts and administration, 11g release 2. The second part of this twopart article completes a highlevel evaluation of oracle 11gr2s new features to assist oracle dbas to decide whether to upgrade their oracle 9i, 10g, and 11gr1 databases to oracle 11g release 2 in the near term. Data guard background processes tips burleson oracle consulting. This document addresses the common business challenges faced by cios in an oltp environment and validates vsan as an enterpriseclass storage solution suitable for oracle rac database. Oracle data guard broker concepts oracle help center. Oracle dba resume example home federal bank infospan inc. Oracle 11g data guard switchover and switchback active data. I have completed the setup of primary rac but could not find any good document for data guard setup in 11gr2.
Oracle 11gr2 for linux 32bit and 64bit was released on 1 september 2009. Feb 08, 2011 as of oracle database 11g release 2 11. Force logging tips oracle consulting, oracle support and. Top 10 new features for oracle 11g data guard part two. Active data guard allows you to setup a bct file for backups on the physical standby and have the standby database open for readonly. Azure synapse analytics limitless analytics service with unmatched time to insight formerly sql data.
To have the dataguard option, we require an enterprise edition. Oraclebase data guard physical standby setup in oracle. Oracle data guard concepts and administration, 11 g release 2 11. Oracle 11g data guard switchover and switchback data. Oct 04, 20 in this article, i will show you the steps for dataguard configuration in 11gr2 standard edition. However, in oracle 11gr2 the data guard broker is much more stable and has become the preferred tool for managing data guard configurations. Oracle database 11g release 2 data guard setup using oracle grid control. Oracle d ata guard ensures high availability, data protection, and disaster recovery for enterprise data. Oracle data guard 11g r2 beginners administration guide is a practical guide that provides all the information you will need to configure and maintain data guard. Oracle data guard concepts and administration oracle help center. As all of you must be knowing that dataguard is not available in standard edition. Hi, i want to setup data guard physical standby between 2 clustered databases 11gr2 with 2 nodes each on rhel 5 64 bit. Lower your oracle licensing costs with azure constrainedcore virtual machines optimized specifically for oracle workloads reduce costsup to 72 percent compared to payasyougo pricesby reserving resources in advance for your predictable workloads with azure reserved vm instances ris. Full text of oracle data guard 11g r 2 administration.
Jan 12, 2015 in the case of a data guard configuration, one of the archival destinations must be a standby database. Oracle grid 11gr2 ipmibased failure isolation in oracle grid 11gr2 infrastructure, oracle has introduced a new mechanism to remove an. Oracle database online documentation library 11g release. This book will show you what data guard can really do. The first i can say, documentation is incomplete, confusing and it assumes many things which is a. Oracle data guard 11gr2 administration beginners guide. This software and related documentation are provided under a license agreement. Data guard physical standby setup in oracle database 11g release 2. If this is software or related documentation that is delivered to the u. Configured oracle dataguard for oracle disaster recovery on 10g solaris. Manage all aspects of your oracle databases with the enterprise manager gui. A new oracle home instead of inplace patching is now preferred. The following article describes how to create an oracle rac 11gr2 physical standby database with active dataguard realtime apply enabled on linux. Products purchased from third party sellers are not guaranteed by the publisher for quality, authenticity, or access to any online entitlements included with the product.
If you need a more detailed description of this build, check out the article here. This oracle documentation was created as a support and oracle training reference for use by our dba performance tuning consulting professionals. If you are familiar with earlier oracle releases and are moving to oracle database 11g, these books describe the new. Aug 09, 2016 oracle rac interview question and answers 10g and 11g 12c 1. Oracle 12cr1, 11gr2, oracle 11gr1, oracle 10gr2, oracle 9i, sql server 2008 r2, 2012, 2014 and 2016. Describes the oracle data guard broker, a management and monitoring interface that automates many of the tasks involved in configuring and monitoring standby databases in an oracle data guard configuration. Industryleading oracle ha technology such as oracle real application clusters oracle rac provides the highest levels of server ha while oracle active data guard protects data and applications against sitewide outages. This software and related documentation are provided under a license agreement containing restrictions on use and disclosure and are protected by intellectual.
Here we have compiled set of questions from the students who have attended interviews in fortune 500 companies. The archiver process of the primary database writes the redo log file. Introduction to oracle data guard oracle help center. With instance relocation, a single standby server could serve for hundreds of instances. Oracle database administrators manage and customize relational database management systems to ensure their optimum performance. Oracle rac with single node data guard physical standby. Rac data guard setup and management with oracle 11gr2 11. This procedure can easily be modified for any other supported platform.
Oracle rac interview question and answers 10g and 11g 12c 1. Look at joel goodmans introduction into oracle restart, if you never heared of it before. For some applications active data guard can represent a more efficient use of oracle licenses on the standby database. What is the major difference between 10g and 11g rac. In this forum and in oracle documentation as well, i read that we need to. To request access to these releases, follow the instructions in oracle support document 1071023. Data guard physical standby setup using the data guard broker in oracle database 11g release 2. Oracle database is truly scalable vertically scalein and horizontally scaleout using own unique technologies like oracle rac and data guard. Quick guide to configuring oracle 11gr2 data guard physical standby part i author. Data guard normally ships redo as it is generated, data guard does not normally wait for an archive redo log to fill up.
Steps to configure oracle 11g data guard physical standby. An introductory look at oracle restart and why it is useful. The oracle instance relocation scheme makes sense because it uses far less resources than data guard which requires a standby server and streams failover. Oracle active data guard creates readonly environments, which prevent the use of native reporting tools with ebusiness suite databases created by this technology. I have drawn upon the following oracle 11gr2 documentation for the deeper technical details of this article.
The proper configuration of oracle data guard is essential to ensuring that all standby. This software and related documentation are provided under a license agreement containing restrictions on use and disclosure and are protected by intellectual property laws. This document would describe the dataguard setup for 11gr2 rac database using asm. Oracle database performance tuning is a big and interesting topic to discover though. The standby databases are synchronized with the primary database, without manual intervention by the dba. He is the author of oracle automatic storage management and the data guard handbook both from oracle press and has written many papers on storage, database internals, database tuning, and served as a contributor to oracle documentation as well as oracle education material. In earlier versions of oracle, the data guard broker has been regarded with suspicion. Oracle data guard is the management, monitoring, and automation software infrastructure that creates, maintains, and monitors one or more standby. Oracle database a comprehensive software product with many tools, utilities and abilities that come. Full text of oracle data guard 11g r 2 administration beginners guide see other formats. May 10, 2016 oracle database 12c administrator certified professional exam. The article assumes the following servers are present. Data guard maintains these standby databases as transactionally consistent.
Oracle rac physical standby dataguard creation oracle rac physical standby dataguard creation. Oracle data guard 11gr2 administration beginners guide baransel, emre, basha, nassyam on. Data guard physical standby setup using the data guard broker in oracle database 12c release 1. Install the oracle database 11gr2 software for oracle ocm 11g certification. Getting started with data guard oracle help center. Quick guide to configuring oracle 11gr2 data guard physical. A logical standby database is treated as a separate database by rman because it has a different dbid from its primary database. Oracle database administrator resume samples jobhero. Dec 28, 2009 oracle data guard concept oracle data guard is one of the most effective and comprehensive data availability, data protection and disaster recovery solutions available today for enterprise data.
Your primary database is running and you want to reduce downtime because of unplanned outages. Looking for oracle data guard interview questions with answers. Oracle real application clusters on vmware vsan vmware. Oct 08, 2014 in my previous article we have covered how to configured oracle 11g data guard on centos 6. Data guard can be make sure my data persists even if the building in which it was inserted is destroyed. Manage amazon rds for backups, software patching, automatic failure detection, and recovery.
Ocm 11g preparation install the oracle database 11gr2. It can be used to test new software releases and some kinds of applications on a. The flashstack solution for oracle includes the following oracle 12c components andor features. We will be using same host for setting up dataguard. The force logging option is the safest method to ensure that all the changes made in the database will be captured and available for recovery in the redo logs. Maximum availability architecture maa, at oracle server technologies, i design, develop, evaluate, and test solutions and best practices for oracle database and oracle exadata database machine for onpremise and cloud deployments. Data guard concepts and administration contents oracle. Oraclebase data guard physical standby setup using the. This article contains an updated version of the 9i physical standby setup method posted here. I want to setup the net services for rman online duplicate database. An administrator initiates manual failover when the primary database fails. What can configured with oracle restart and its integration with data guard.
From 11gr2onwards its completed ha stack managing and providing the following resources as like the other cluster software like vcs etc. Installs and maintains database products, including patch application and upgrade of oracle 11gr2 rac and data guard environments. Jed walker is the manager of database operations for the comcast media center in centennial colorado. Data guard provides a comprehensive set of services that create, maintain, manage, and monitor one or more standby databases to enable production oracle databases to survive disasters and data corruptions. Data guard physical standby setup in oracle database 11g.
Dba architect with more than a decade of fulltime dbaarchitect experience. Data guard is the name for oracles standby database solution, used for disaster recovery and high availability. Oraclebase oracle database 11g release 2 data guard setup. If you are an oracle database administrator who wants to configure and administer data guard configurations, then oracle data guard 11gr2 administration beginners. Oracle data guard concepts and administration to learn how to use rman in a data guard environment.
What special considerations would one need to take into account to replicate a rac database to a single node physical standby. Oracle data guard concepts and administration, 11g release 2 11. Achieved high availability, data protection and maximum. Deploying oracle database 12c release 2 on red hat enterprise. Oracle 11gr2 active data guard active data guard allows a standby database to be opened for readonly access whilst redo is still being applied. Its being almost a month testing and digging on the vcs documentation regarding data guard and oracle agents supported by veritas. Force logging is the new feature added to the family of logging attributes. The software is available as a media or ftp request for those customers who own a valid oracle database product license for any edition.
Conntinuing question remote listener registration oracle. Oracle tips by burleson consulting january 12, 2015. Sample resumes for this position highlight such skills as configuring and setting up oracle 11gr2 data guard, managing data guard using a data guard broker, and troubleshooting and resolving log gaps in data guard configurations. Before the existence of force logging, oracle provided logging and nologging options. Given a solid foundation, implementing the broker is almost trivial. For a better data protection mode, the standby redo log files can be configured on the standby database. Configuring failover to occur automatically upon loss of the primary database, increasing availability without manual intervention. The second 5 top new features in oracle database 11gr2. The recovery catalog is required when you use rman in the data guard environment.
I have gained a wide knowledge of the oracle and nonoracle software stack and have worked on several big projects for multinational companies. Provide superior data protection, availability, and disaster recovery using the tested techniques in this oracle press guide. If youre an oracle database administrator its almost essential to know how to protect and preserve your data. Karen reliford returns to give us the final top 5 of her top 10 favorite new features in oracle 11g data guard, their primary product for protecting databases and an integral part of many disaster recovery plans. He has been working with oracle database since 1997 and is an oracle certified professional for 9i, 10g, and 11g database. Administrators can chose either manual or automatic failover of production to a standby system if the primary system fails in order to maintain high. Flashstack data center with oracle rac 12cr2 database on. Oracle data guard concepts and administration, 11g release. If you use oracle data guard and not oracle active data guard for your ebs disaster recovery instance, then the dr site can be used for reporting purposes. Home oracle database online documentation library, 11g release 2 11. Oracle database online documentation 11g release 2 11. Personalize my dashboard copyright 2019 oracle andor its affiliates all rights reserved.
A data guard configuration can now consist of a primary database and up to 30 standby databases. I almost finish data guard standby 11g r2 which use ordinary file system and i will configure tde. I enjoy working with the leadingedge technology and have passion for database. The oracle active data guard option, an extracost facility, extends oracle data guard functionality in oracle 11g configurations. Oracle data guard interview questions expert oracle. At first, i installed oracle database 11gr2 grid infrastructure for standalone server to get oracle restart, then oracle database 11gr2 software only. Best practices for oracle 11gr2 data guard implies that the primary and standby databases should have the same layout, eg. It has been designed to teach you everything you need to know to successfully create and operate data guard environments with maximum flexibility, compatibility, and effectiveness. Oracle data guard with oracle database 11g release 2.
Mar 07, 2014 some of the oracle data guard related questions are listed below. Part i concepts and administration 1 introduction to oracle data guard. Vmware disaster recovery solution with oracle data guard and site recovery manager 1. Pdf oracle rman 11g backup and recovery download full. Except as expressly permitted in your license agreement or allowed by law, you may not. This article describes the creation of a standby database using oracle database 11g release 2 and the oracle grid control. Sr oracleaws cloud administrator resume boston, ma hire.
Administers, architects and implements complex multiple oracle 11g r2 database exadata, data guard, exadata storage and oracle asm environments. B e1088103 oracle database new features guide 11g release 2. Your operating systemspecific oracle documentation for more information about optimal flexible architecture ofa. The role transitions described in this documentation are invoked manually. Ocm 11g preparation install the oracle database 11gr2 software. Oracle data guard provides the management, monitoring, and automation software infrastructure to create and maintain one or more standby databases to protect oracle data from failures, disasters, errors, and data corruptions. Deinstalling rac software 11gr2 and later oracle learn. In my previous article we have covered how to configured oracle 11g data guard on centos 6. If data guard did that you would always be behind by an archive redo log at least you would lose lots of data during a failover. Provides platformspecific information for configuring and using oracle database software on the windows platform.
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