Oracle data guard is the management, monitoring, and automation software infrastructure that creates, maintains, and monitors one or more standby. Step by step process on how to configure dataguard for. Oracle database cloning using oracles sun zfs storage appliance and oracle data guard. This attribute is particularly helpful if there are multiple standby databases in the data guard configuration. In 10g, dataguard started to support different binaries on primary and standby database servers with the same os family. Oraclebase oracle database 11g release 2 data guard. Using enterprise manager grid control to implement or extend high availability with oracle database 11g and oracle data guard. Standby database failover handbook oracle infocus series kumar, bipul on.
The article assumes the following servers are present. Oracle database cloning using oracle s sun zfs storage appliance and oracle data guard. From oracle 11g r2, we can create 30 standby databases. Using recovery manager with oracle data guard in oracle10g. Data guard protection modes talip hakan ozturks oracle blog.
The oracle active data guard option, an extracost facility, extends oracle data guard functionality in oracle 11g configurations. This document explains the step by step process of configuring 10g r2 single instance dataguard for single instance primary on redhat enterprise linux 32 bit rhel3 centos 3. Oracle d ata guard ensures high availability, data protection, and disaster recovery for enterprise data. Step by step, document for creating physical standby database, 10g data guard oracle 10gr2 rac installation in linux 5, rhel5 using vmware server2 recreate lost controlfile. On the current subpage, in the value column, enter new values for the initialization parameters. The operating system i used is windows assumptions. But my primary db has the mount point datau01 and my standby db has the mount point u01. Adjust initialization parameters for the logical standby database. The oracle database 11g oracle active data guard service provides you with access to oracle experts who will work closely with you and your team to assist in your initial evaluation and adoption of the oracle active data guard to realize reduced cost savings, performance gains and simplified operations for your business. Automating disaster recovery using oracle site guard for oracle exalogic with exadata database machine. The primary database name will be db1 and the secondary. Data guard parameters tips oracle consulting, oracle. Oracle data guard interview questions and answers what is dataguard. Oracle database 10g release 2 automatic storage management.
All information is offered in good faith and in the hope that it may be of use, but is not guaranteed to be correct, up to date or suitable for any particular purpose. Browse other questions tagged oracle oracle11gr2 dataguard or ask your own question. Database parameter files for different server or cluster migration 12. Oracle documentation is not entirely clear on the subject, although the phrasing in the dataguard conceps and admin guide suggests that both configurations should work. The initialization parameter file for the data guard oracle instance are essentially three key data guard parameters that should be added. Data guard physical standby setup using the data guard broker in oracle database 12c release 1. Enterprise manager sets this parameter automatically. Technology, first introduced by setting the standby database manually with oracle 7. 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. You must install oracle enterprise manager 10g grid control to use the.
The following settings for rman and the oracle database simplify the backup and recovery operations, and are based on datafile and archived log backups being made at one of the standby database servers. Provide superior data protection, availability, and disaster recovery using the tested techniques in this oracle press guide. Jan 03, 2019 download the patch set from my oracle support formerly oracle oracle database 10g release 2 patch set 4 oracle 10g11g rac, dataguard, goldengate download the client you wish to install and. Table 1 lists the initialization parameters and indicates if the parameter applies to the primary database role, the standby database role, or both.
To request access to these releases, follow the instructions in oracle support document 1071023. This chapter describes the views that are significant in a data guard environment. Oracle data guard interview questions expert oracle. Oct 24, 2009 oracle database 10g supports database software upgrades from oracle database 10g patchset 1 onwards in a rolling fashion, with near zero database downtime, by using data guard sql apply. 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. Step configuration of oracle database 10g dataguard. Oracle data guard is included with the e nterprise edition and p ersonal edition of the oracle database software. Download the patch set from my oracle support formerly oracle oracle database 10g release 2 patch set 4 oracle 10g11g rac, dataguard, goldengate download the client you wish to. Data guard commandline interface reference oracle help center. You can manage a data guard configuration by using either sqlplus, the data guard brokers commandline interface dgmgrl, or oracle enterprise manager 10g grid control. This guide for using dataguard technology covers all areas of disaster recovery, standby databases. In oracle database 10g release 2, oracle universal installer oui and database configuration assistant. Below are the steps to be followed to configure dataguard. How many standby databases we can create in 10g11g.
Oraclebase oracle database 11g release 2 data guard setup. The initialization parameters are not supposed to change while bouncing the database except in one case. Jan 21, 2010 step by step, document for creating physical standby database, 10g data guard oracle 10gr2 rac installation in linux 5, rhel5 using vmware server2 recreate lost controlfile. Oracle data guard concepts and administration oracle help center. In oracle database 10g release 2, storage management and provisioning for the database has been greatly. Data guard 11g asynchronous redo transfer process architecture async. Protects our production database from disasters, reducing the work load on it and more effective use it. Here i have to do the following command in the primary database to send the data in to the secondary database. 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. According to the manuals, it is easy to use with dataguard brokerweb based gui, but i did not try it. The software which oracle corporation markets as oracle data guard forms an extension to. You can supply optional parameters on the command line to indicate how. You can follow any responses to this entry through the rss 2.
Oracle database administrators guide for information about creating and using server parameter files. Ask tom oracle standby database hardwaresoftware requirem. Dataguard on different operating systems in 10g, dataguard started to support different binaries on primary and standby database servers with the same os family. Configuration of oracle 10g data guard pavan dbas blog. Oracle 10g data guard is a great tool to ensure high availability, data. Table 141 lists the initialization parameters and indicates if the parameter applies to the primary database role, the standby database role, or both. Check whether the database is in archive log mode or not. Till oracle 10g, 9 standby databases are supported. Step by step process of configuring oracle 10gr2 10. The data guard commandline interface dgmgrl enables you to manage a. Default value of this parameter in 10g is 180s and in 11g is 30s. Data guard maintains these standby databases as copies of the production database.
Both the primary and the standby database are in the same machine. Oracle data guard is the disaster recovery solution. I believe that there is a luck of settings on the database parameters. If any of the databases in the configuration is an oracle rac database, you must set up the. Oracle data guard is included with the e nterprise edition of the oracle database software. This article describes the creation of a standby database using oracle database 11g release 2 and the oracle grid control. The view described in this chapter are a subset of the views that are available for oracle databases. To modify initialization parameters for the currently running instance, and also record the modifications in the server parameter file that will persist when the database is restarted, complete the following steps. A data guard configuration may be managed by using either sqlplus, or data. Oracle database 10g supports database software upgrades from oracle database 10g patchset 1 onwards in a rolling fashion, with near zero database downtime, by using data guard sql apply. A data guard configuration may be managed by using either sqlplus, or data guard brokers commandline interface dgmgrl, or oracle enterprise manager 10g grid control. Here we will be using target database control file to store all the information required for rman, like backupsets and backup image information etc. Jun 16, 2011 now, lets learn oracles beautiful solution oracle data guard.
Oracle database 10g release 2 automatic storage management overview and technical best practices. Data guard is the name for oracles standby database solution, used for disaster recovery and high availability. Views relevant to oracle data guard oracle help center. This chapter describes the initialization parameters that affect databases in a data guard environment. Could anyone show me the required database parameters that have to be set in order to switch to the standby database and continue shipping and applying logs to the primary db primary now as standby. Oracle database 19c, is the long term support release of the oracle database 12c and 18c family of products, offering customers premier and extended support through to march 2023 and march 2026 respectively.
For the previous version, the official method for character set is using csscan and asalter utility. 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. So, from oracle database 12c, oracle introduced a new tool called database migration assistant for unicode referred in doc id 1272374. Oracle database 11g release 2 data guard setup using oracle grid control. For example microsoft windows 64bit itanium on primary and microsoft windows 32bit or microsoft windows 64bit for amd on standby database server. Oracle data guard is the management, monitoring, and automation software infrastructure that creates, maintains, and monitors one or more standby databases to protect. Oct 21, 2009 this entry was posted on october 21, 2009 at 12. You can leave a response, or trackback from your own site. Oraclebase data guard physical standby setup using the. This article describes the creation of a standby database using oracle database. What are differences between physical, logical, snapshot standby and adg or what are different types of standby databases. Dataguard on different operating systems oracle blog. Setting up oracle 12c data guard for sap customers. Data guard normally ships redo as it is generated, data guard does not normally wait for an archive redo log to fill up.
Dataguard is used to create standby database for live production database which will be used as disaster recovery for the live database. The steps involve upgrading the logical standby database to the next release, running in a mixed mode to test and validate the upgrade, doing a role reversal. Hi, i am using oracle 10g in rhel 5 server trying to create a standby database by taking backup in primary database and moving the backup to secondary db server and issuing the duplicate command. Sep 18, 2015 1 steps that we need to check before performing the switchover in standby environment aif we are using the oem enable a blackout for primary database in enterprise manager. Performing switchover in 11gr2 standby steps dba tutorials. The table also includes notes and recommendations specific to setting the parameters in a data guard environment. Configuration of oracle database 10g dataguard slideshare. Data guard physical standby setup using the data guard broker in oracle database 11g release 2. The data guard broker subsystem can aid in the setup, management and monitoring of data guard configurations. While i am upgrading i will not be using any of the active dataguard features like open read write or open read only for neither reporting nor testing purposes. 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. How many standby databases we can create in 10g 11g. Click here for step by step process of configuring rac standby dataguard for rac primary on redhat linux.
Browse other questions tagged oracle10g dataguard or ask. Generally, an ebook can be downloaded in five minutes or less. To enable oracle data guard 10g, perform the following steps. Oracle database 10g oracle dba, oracle database 10g. You must use a server parameter file spfile to ensure the broker can. Using recovery manager with oracle data guard in oracle database 10g page 6. Create a text initialization parameter file pfile from the server. Can i achieve the same without licensing active dataguard. Oracle 10g manually create a physical standby database using. It is available on linux, windows, solaris, hpux and aix platforms as well as the oracle cloud. Data guard is the name for oracle s standby database solution, used for disaster recovery and high availability. Oracle data guard broker and the enterprise manager online help system for information about using the graphical user interface to automatically create a physical standby database.
1270 572 300 173 924 773 1133 694 718 1 816 889 224 1323 1279 1379 509 1099 1415 459 599 427 1307 642 1378 855 1291 1320 14 172 405 1358 1019 1309 417 1294