This procedure cannot be used for a fresh rac installation. Install vmware client toolson the web console, highlight the rac1 vm and click the. At this point, weve installed and configured oracle rac 11g entirely and have a fully functional clustered database. How to relink oracle binaries after os upgrade in 11gr2. Objectives why upgrade oracle rac the benefits of doing an upgrade oracle rac 11gr2 new features at glance oracle grid infrastructure 11gr2 oracle 11gr2 gi clusterware new features oracle 11gr2 gi asm new features best practices planning and upgrading oracle rac to 11gr2 how to plan the upgrade how to minimize downtime during the upgrade. We also have active dr with a similar 3node rac database. Crs log, listener log, oracle log, rac log if you are using rac system doesnt matter how many nodes you have you need to know where log files are located.
Performing a rolling upgrade of oracle automatic storage management. This appendix describes how to perform oracle clusterware rolling upgrades. Pro oracle database 11g rac on linux experts voice in. After completing the oracle clusterware upgrade, if you intend to upgrade oracle automatic storage management, or the oracle database software, complete preinstallation procedures for installing oracle database or oracle rac, as described in the oracle database installation guide for microsoft windows or oracle real application clusters. A rac clustered database comprises at least two and usually many more nodes, each running a separate instance of the clustered database. Upgrade to oracle 12c database using manual method gumpx. If you can spare five minutes, there is an alternative to the rac rolling. Installing statspack 11gr2 rac standard edition oracle.
You can patch the entire cluster, and then run the root. As you can imagine, the term rolling upgrade means performing an upgrade to different databases one at a time without stopping the database. In this section you can find out oracle rac dba tutorial,tips,technical papers and articles. Starting with oracle database 11g release 1, the maa recommended best practice for performing rolling database upgrades is to use the transient logical standby database feature available with oracle data. Oracle 11gs new features for high availability make rac a more. The system upgraded was the same system upgraded from 11. This article describes the installation of oracle database 11g release 2 11. Oracle database 11g release 2 rac on oracle linux 5. Oracle database rolling upgrade from 11g to 12c using a. In this article we will see the steps to upgrade 11gr2 rac to 12c rac on rhel.
Oracle maximum availability architecture maa is the oracle best practices blueprint for implementing oracle high availability technologies. An oracle 10gr2 real application clusters rac clustered database, on the other hand, needs more robust load balancing capabilities because of the nature of that environment. Theres an earlier post of upgrading gi for a single instance from 11. This document describes a detailed automatic procedure of oracle 11g rac installation using rpms. B how to perform oracle clusterware rolling upgrades. He has extensive experience with oracle versions 7, 8, 8i, 9i, and 10g. Oracles opatch utility enables the user to apply the patch successively to the different instances of the rac installation. Step by step upgrade of 11gr2 grid infrastructure crs. Additional background process for rac and single instance background process works together and achieved this. This article explains step by step rac upgrade procedure to upgrade oracle 10gr2 10. Acms stands for atomic control file memory service. In an oracle rac environment acms is an agent that ensures a distributed sga memory updateie sga updates are globally committed on success or globally aborted in event of a failure. As you know, starting from oracle 11gr2, the oracle db and grid upgrades are done via the out of place upgrade. Step by step upgrade oracle rac grid infrastructure and database.
The upgrade went very smoothly but we have to take a few things into account some things have changed in. Mysid used for database service name in the examples. Step by step upgrade oracle rac grid infrastructure and database from 11g to. Pro oracle database 11g rac on linux provides fulllifecycle guidance on implementing oracle real application clusters in a linux environment. Can i do rolling upgrade of oracle 11g not rac in a veritas cluster sever setup. Because you must stop database processes on the nodes you intend to upgrade when you perform an oracle clusterware upgrade, it includes information about how to stop processes in oracle real application clusters oracle rac databases. Oracle database 11g administrator certified professional.
Performing rolling upgrade of oracle grid infrastructure. Gtx0j from oracle 11g the process provides transparent support for xa global transactions in a rac environment. How to apply cpu patch in rac environment using rolling. Upgrade of oracle grid infrastructurerac is considered as very critical activities. The advantage of a rac rolling upgrade is that it enables at least some instances of the rac installation to be available during the scheduled outage required for patch. Maximize your availability with grid infrastructure, rac and data guard. Since buffer and shared pool became global in rac, special handling is required to manage the resources to avoid conflicts and corruption. As you can imagine, the term rolling upgrade means performing an upgrade to different databases one at a time without stopping the. Our management is inclining towards sharing two production databases on a 3node rac cluster. The intention is to have rac capabilities for both the databases. Gives you more time to test the new version, before activating it. To achieve this you should have your os configured network time protocol ntp. Oracle document recommends leaving all the rac instances up and running during the upgrade process because the rootupgrade. Reasons to change the vip or hostname in oracle 11gr2 clusterware node.
Starting with oracle database 11g release 1, the oracle maa recommended best practice for performing rolling database upgrades e. Oracle clusterware can now be upgraded in a rolling fashion, with only one node going. The architecture of oracle 11g rac oracle tips by burleson consulting. Oracle 11g rac installation on oracle standard edition. Difference between 11g rac and 12c rac oracle community. Change of location of data centers change of ip addresses in the data centers vip or hostname is mistyped in dns, which requires correction note.
The rolling upgrade using oracle active data guard. Step by step installing oracle 10g rac on vmware via kamran agayevs oracle blog says. Step by step apply rolling psu patch in oracle database. During an oracle clusterware installation, if oracle universal installer detects an existing oracle clusterware 10 g release 1 or release 2 installation, then you are given the option to perform a rolling upgrade by installing the patch on a subset of cluster member nodes. If you can spare five minutes, there is an alternative to the rac rolling upgrades. If you attempt a rolling upgrade to oracle clusterware 11g release 1 11. Oracle rac dba tips and articles remote dba oracle dba. In this example shown below, one of the asm instances is being upgraded to 11. As a seasoned professional, you are probably aware of the importance of understanding the technical. Oraclebase oracle database 11g release 2 rac on windows. I have recently tested the upgrade to rac grid infrastructure 12. Enabling statspack for 11gr2 rac with 11g standard edition you can no longer buy the tuning and diagnostic packs so no awr reports so back to the old statspack, this is the steps i used to install statspack on my 2 node 11gr2 rac cluster. Database rolling upgrade using transient logical standby sql apply allows for running different database versions during rolling upgrade window. Grid infrastructure is independent of oracle database upgrade.
This document shows the step by step of installing and setting up 3node 11gr2 rac cluster. After grid upgrade, either u can keep the database in 11g or u can upgrade it separately to 12c. One of the biggest obstacles preventing people from setting up test rac environments is the requirement for shared storage. How to apply cpu patch in rac environment using rolling upgrade. It is suited for system, storage, and database administrators deploying oracle rac database 11g release 2 11.
Oracle database 12c administrator certified professional. Section of oracle real application cluster dba contains hidden tips, solutions, tuning, tricks for managing oracle rac database. Rac 2 node rac no standby 11g asm rolling upgrade from. Oraclebase oracle database 11g release 2 rac on linux. In oracle 11g, we can now do rolling upgrades of the asm instanaces in a rac cluster configuration. Oracle support feels the manual method is more reliable than using the database upgrade assistant dbua. Expert oracle rac 12c is a handson book helping you understand and implement oracle real application clusters rac, and to reduce the totalcostofownership tco of a rac database.
It was very helpful for oracle 11g rac, really superb. Hi all, could you please provide more info about major differences between oracle 11g rac and 12c rac apart from multitenant architecture and flex asm. How to upgrade to oracle grid infrastructure 11g release 2. The rolling upgrade using oracle active data guard feature, new as of oracle database 12 c release 1 12. When prompted, choose only the nodes that have been prepared for the rolling upgrade, and follow all onscreen directions to complete the patch. Each node is very powerful in terms of capacity like memory and cpu. We have to install 12c database binaries in a separate oracle home since we cannot upgrade the existing 11g oracle.
All services including oracle clusterware, all oracle instances, enterprise manager database console will. Install and setup oracle 11g r2 rac on oracle enterprise linux 5. A rolling upgrade is a zerodowntime method for upgrading the oracle software. Design, implement, and support complex oracle 11g rac environments for real. Deploying oracle rac 11g r2 database on red hat enterprise.
With the release of oracle database and oracle rac 11g release 2 11. In case you already use data guard no additional hardwarestorage footprint,license fees and knowledge necessary. Oracle database 11g release 2 rac on linux using vmware server 2. To shut down oracle rac instances on individual nodes in the database. Oracle 11g r1r2 real application clusters essentials. Maximize your availability with grid infrastructure, rac and data guard jesse, scott, burton, bill, vongray, bryan on. Oracle real application clusters supports rolling upgrades, but its complex. How to perform oracle clusterware rolling upgrades oracle docs. The current 11gr2 rac configuration is as below, os. What follows are the manual steps to perform an upgrade of an oracle database from version 11. Performing rolling upgrade of oracle grid infrastructure upgrading oracle grid infrastructure from an earlier release complete this procedure to upgrade oracle grid infrastructure oracle clusterware and oracle automatic storage management from an earlier release. I try to summarize here some of the errors and its solutions i got while running a oracle 10g r2 real application cluster rac install on vmware linux install. Set of additional background process in each instance is known as oracle kernel components in rac environment. By syed jaffar hussain, tariq farooq, riyaj shamsudeen, kai yu.