In this article we will see the steps to upgrade 11gr2 rac to 12c rac on rhel. Oracle database oracle clusterware and oracle real. Oracle database with real application clusters and oracle clusterware provide. Managing oracle database high availability solutions 25. Oracle real application clusters oracle rac rac oracle technology network japan otn japan single client access name scan virtual ip vip gui. Oracle database oracle clusterware administration and. These schemas are used in examples in oracle documentation, in curriculum materials, and in demos on oracle. Understanding oracle rac internals markus michalewicz markus. Grid computing relieves users from concerns about where data resides and which computer processes their requests. Table oracleracsupportonlinuxcontinued operating oracleracversion system version product version olrhel 11gr2 12cr1 12cr2 18c 19c sles infoscale. Oracle rac is a cluster database with a shared cache architecture that overcomes the limitations of traditional sharednothing and shareddisk approaches to provide a highly scalable. About oracle grid infrastructure for a cluster and oracle rac. Tools for installing, configuring, and managing oracle rac.
Oracle rac allows a single physical oracle database to be accessed by concurrent instances of oracle. Oracle database oracle clusterware and oracle real application. Oracle rac, and to access online documentation as needed. Describes lastminute features and changes not included in the oracle database documentation library for oracle database 11g release 2 11. Managing oracle rac databases using oracle clusterware. Oracle rac enables the oracle database to run mainstream business applications of all kinds on server pools including popular packaged. We also highlight new technologies introduced in oracle database 11g release. For more information on online patching, see this paper pdf. Online documentation is available in pdf and html formats. With oracle rac 11g release 2 using scan is the default. Saturn 3rd node name is the new node which will be added into already running 11gr2 rac.
Oracle rac also is a key part of the oracle 10g release. Users request information or computation and have it delivered as much as they want, whenever they want. In this article we will be installing 2 node 11gr2 rac on oracle linux 6. Oracle database online documentation library 11g release.
Oracle real application clusters rac provides unbeatable fault tolerance, performance, and scalability with no application changes necessary. Oracle database online documentation 11g release 2 11. Oracle white paper oracle real application clusters 11g release 2 introduction oracle real application clusters rac allows oracle database to run any packaged or custom application, unchanged across a server pool. For the dba, the grid is about resource allocation, information sharing, and high availability. An oracle rac environment with oracle clusterware set up and enabled or a single node non oracle rac database with oracle restart the application must have been linked with the threads library.1324 1200 1028 1374 19 767 236 1411 687 579 1434 538 898 1146 1493 1340 71 1299 645 1440 521 817 895 77 388 374 1167 27 1251 1322