These standby databases are maintained as corresponding copies of the production database. For a full current explanation of oracle data guard licensing prices and policies, contact your oracle customer support representative csr. What is the difference between oracle data guard and. Using recovery manager with oracle data guard in oracle database 10g page 5 the standby database is a physical standby database and backups are only taken on the standby database.
Oracle data guard provides the management, monitoring, and automation software to create and maintain one or more standby databases to protect oracle data from failures, disasters, human error, and data corruptions while providing hig. As all of you must be knowing that dataguard is not available in standard edition. In oracle database 10g and below you could open the physical standby database for readonly activities say, to offload some reporting, but only after stopping the recovery process. Configuration of 10g data guard broker and observer for. He has completed more than 90 data guard setups on all platforms, from rac to nonrac and successful cluster migrations with switchovers and failovers for many businesscritical production databases with. Oracle data guard training oracle data guard course enrol. Oracle data guard concepts and administration oracle help center.
If the production database becomes unavailable due to planned or unplanned outage, data guard can switch the standby database to the production role, thus minimizing the. Pre requisites include the use of 10g oracle server, using spfile on both the. Explore how data guard standby databases can be used to support production functions such as reporting, querying and testing, while in a standby role. Data guard physical standby managing password files in a rac physical standby doc id 1984091. Asm migration using oracle data guard physical standby. 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.
The best practices are applicable for both oracle9i and oracle database 10g databases leveraging data. 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. It allows readonly access on the physical standby node at the same time as applying archived transactions from the primary node. The data guard 10g rolling upgrade process begins in a similar fashion using standard data guard procedures to instantiate a standby database, but t hen differs by using dat a. Manually setting up a physical standby database is a simple task when all prerequisites and setup steps are carefully met and executed. Data guard administration training helps you develop the skills to use oracle data guard to help protect your oracle database against planned and unplanned downtime. Data guard physical standby database best practices simple talk.
Cowritten by a team of oracle experts, oracle data guard 11g handbook provides a sound architectural foundation along with best practices for configuration, monitoring, maintenance, and troubleshooting. In this article, i will show you the steps for dataguard configuration in 11gr2 standard edition. Still, this exercise provide a degree of familiarity with data guard. This site is like a library, use search box in the widget to get ebook that you want. Oracle 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. 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. He has been working with oracle database since 1997 and is an oracle certified professional for 9i, 10g, and 11g database. All management operations can be performed either through oracle enterprise manager, which uses the broker, or through the brokers specialized commandline interface. The redo apply technology applies redo data on the physical standby database using standard oracle media recovery techniques. Changes in this release for oracle data guard concepts and administration changes in oracle database 12c release 2 12. I have a scenario of oracle 10gr2 database replication using data guard. For details into these features, please refer to the following. Data guard implementation for oracle 10gr2 oracle faq. Click download or read online button to get oracle data guard 11g handbook book now.
In addition to traditional data guard functionality, the active data guard option for oracle database enables a physical standby database to be open readonly while it applies updates received from the primary database. Faststart failover is an oracle data guard 10g release 2 1 feature that. Oracle data guard concepts and administration 10g release 2 10. Oracle data guard 10g release 2 switchover and failover best practices. The oracle active data guard option, an extracost facility, extends oracle data guard functionality in oracle 11g configurations.
Use this method if your requirement is to minimize downtime during the migration. Oracle data guard can be deployed to maintain standby databases at a secondary site. Dataguard on different operating systems oracle blog. Oracle data guard can be organized to maintain standby databases at a secondary site. Faststart failover oracle data guard 10g release 2. To have the dataguard option, we require an enterprise edition.
Oracle active data guard creates readonly environments, which prevent the use of native reporting tools with ebusiness suite databases created by this technology. Oracle data guard 11g handbook by larry carpenter overdrive. Oracle data guard in oracle database 10g release 2 business. Oracle data guard maintains one or many secondary databases as alternatives to the primary production database. Following are the new capabilities available with oracle data pumpdmp. Oracle data pump oracle data pump utility enables very highspeed movement of data and metadata from one oracle db to another. Dataguard architecture and its components in oracle 11g. Data guard is the name for oracle s standby database solution, used for disaster recovery and high availability.
Sql apply best practices page 6 upgrading the oracle database software version with sql apply starting with oracle database 10g release 1 patchset 1 oracle database release v10. Oracle data guard with oracle database 11g release 2. Oracle data guard in oracle database 10g release 2. From oracle 11g r2, we can create 30 standby databases. The worldwide oracle data guard market is experiencing rapid growth due to the rise in adoption of the technology among top mncs for their deployments. Data guard faststart failover was introduced in oracle database 10g release 2. Using recovery manager with oracle data guard in oracle10g. Jed walker is the manager of database operations for the comcast media center in centennial colorado. Oracle data guard concepts and administration, 10g release.
Data guard, physical standby creation, step by step. Oct 04, 20 in this article, i will show you the steps for dataguard configuration in 11gr2 standard edition. Overview of oracle data guard what is oracle data guard. Oracle data guard concepts and administration, 10 g release 2 10. Dataguard on different operating systems in 10g, dataguard started to support different binaries on primary and standby database servers with the same os family. As to data guard, oracle is slicingoff the functionality as data guard matures. Data guard physical standby database best practices part. How many standby databases we can create in 10g 11g. White paper deploying oracle data guard on oracle database. The enviroment 2 linux servers, oracle distribution 2. Step by step configuration 10g dataguard step by step process of configuring oracle 10gr2 10. The databases in a data guard configuration are connected by oracle net and may be dispersed geographically. Steps to configure oracle 11g data guard physical standby.
What are differences between physical, logical, snapshot standby and adg or what are different types of standby databases. These standby databases are maintained as synchronized copies of the production database. Setting the data protection mode of a data guard configuration. Oraclebase data guard physical standby setup using the. Database 10g release or perform other database maintenance in a rolling fashion to. Master oracle data guard 11gprovide superior data protection, availability, and disaster recovery using the tested techniques in this oracle press guide. Oracle data guard 11g handbook download ebook pdf, epub. Oracle data guard training oracle data guard course. Master oracle data guard 11g provide superior data protection, availability, and disaster recovery using the tested techniques in this oracle press guide.
Data guard must use spfile, in order to configure it we create and configure the standby parameters on a regular pfile, and once it is ready we. It is available from oracle database 10g release 1 10. Till oracle 10g, 9 standby databases are supported. Managed and monitored the oracle real application cluster 2 node rac running on veritas storage.
This article gives an example of the setup and administration of data guard using the data guard broker. A data guard configuration consists of one production database and one or more standby databases. Oracle active data guard tips oracle consulting, oracle. You are correct, the oracle web site says that data guard sql apply and redo apply comes as part of 10g enterprise edition ee.
Data guard is the name for oracles standby database solution, used for disaster recovery and high availability. Oracle dbas rely on oracle data guard to provide continuous uptime in the event of storage subsystem failure, sitewide failure or disaster. In oracle 10g, there was no distinction between an active data guard and an inactive one, so i wonder if data guard costs extra in oracle 11g. Data guard physical standby managing password files. The data guard broker is a distributed management framework that automates and centralizes the creation, maintenance, and monitoring of data guard configurations. Cowritten by a team of oracle experts, oracle data guard 11g handbook provides a sound architectural foundation along with best practices for configuration, monitoring, maintenance, and. There are no restrictions on where the databases are located, provided they can communicate with each other.
The below diagram shows the migration architecture using oracle data pump. He is an oracle 10g certified professional having good knowledge in oracle technologies such as data guard, rman, rac, and performance tuning. I have selected the data guard command line interface. Oracle data guard is the management, monitoring, and automation software infrastructure that creates, maintains, and monitors one or more standby databases to protect enterprise data from failures, disasters, errors, and data corruptions. How many standby databases we can create in 10g11g. Developers and dbas get help from oracle experts on. 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. Using recovery manager with oracle data guard in oracle database 10g executive summary a welldocumented and validated system and software recovery plan is critical to an overall high availability strategy.
For example microsoft windows 64bit itanium on primary and microsoft windows 32bit or microsoft windows 64bit for amd on standby database server. Also see my notes on far sync instances with active data guard. Oracle 10g realtime apply forced support for oracle rac faststart failover asynchronous redo transfer flashback database oracle 11g active standby database active data guard snapshot standby heterogeneous platform support production linux, standby windows oracle 12c create a physical standby of a multitenant container database cdb. The oracle data guard broker is a distributed management framework that automates and centralizes the creation, maintenance, and monitoring of data guard configurations. Jan 21, 2010 10g data guard, physical standby creation, step by step primary database name.
Data guard is highly integrated with oracle database 10g and it is a primary choice for data protection and disaster recovery of oracle databases. Data backup and restore tools 10 oracle recovery manager rman 11 oracle active data guard data migration approach data migration is essentially the movement of data from one system to another. Oracle offers a rich set of tools and utilities for performing data movement across systems. Oracle data guard concepts and administration, 10g release 2 10. Oracle d ata guard ensures high availability, data protection, and disaster recovery for enterprise data. After my initial setup i can ship and apply logs from the primary database to the standby db. Provide superior data protection, availability, and disaster recovery using the tested techniques in this oracle press guide. If the production database becomes unavailable because of a planned or an unplanned outage, data guard can switch the standby database to the production role, thus minimizing the downtime. Dgmgrl shows that configuration and databases have been set with success. This article is a repeat of the manual 11gr2 data guard setup described here, but here the data guard setup and administration is performed using the data guard broker. Data guard broker permit to manage a data guard configuration, from both the enterprise manager grid control console, or from a terminal in command line mode. Cowritten by a team of oracle experts, oracle data guard 11g handbook provides a sound archit. In sum, current 2006 oracle data guard licensing policies suggested that if data guard is installed for standby purposes, it required full licensing.
Configuration of oracle 10g data guard pavan dbas blog. Data guard physical standby database best practices part 1 oracle data guard is one of the software solutions provided by oracle corporation to maximize high availability of oracle databases. Oct 24, 2009 the following diagram shows an overview of the oracle data guard architecture. This section will highlight some of the key new features of oracle data guard 10g release 2. Oracle data guard ensures high availability, data protection, and disaster recovery for enterprise data. You will get full details on implementing deployment architectures to address requirements that extend beyond disaster recovery. Click here for 12 data guard build by umer hussaini. As the demand for oracle data guard is increasing rapidly, many more organizations are moving towards this, thus creating more job opportunities around the world. The oracle marketing people are atit again, and i noticed that within oracle 11g active data guard is an extra cost option. Implemented data guard with maximum availability, protection and performance configurations and worked with data guard failover and switch over cases at the times of up gradation and migration. Implementing data guard for oracle database 10 g with rac provides end to end data protection and high availability as illustrated in figure 2. Note that using enterprise manager grid control data guard physical standby can be implemented from the grid control console easily. You can use either the oracle enterprise manager graphical user interface gui or commandline interface cli to automate and simplify.
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