Oracle Clusterware is portable cluster software that allows clustering of independent servers so that they cooperate as a single system. Oracle Clusterware was first released with Oracle Database 10g Release 1 as the required cluster technology for the Oracle multi-instance RDBMS,  Oracle Real Application Clusters (RAC).

Oracle Clusterware 12c Release 1 is the integrated foundation for Oracle Real Application Clusters (RAC) and the High Availability (HA) and resource management framework for all applications on any major platform.  Oracle Clusterware 12c builds on the innovative technology introduced in 11g by providing comprehensive multi-tiered HA and resource management for consolidated environments.  Leverage Oracle Clusterware in the Cloud to provide enterprise-class resiliency where required, and dynamic, online allocation of compute resources where you need it, when you need it.

Oracle Clusterware Licensing:
Oracle Clusterware can be downloaded and used free of charge. To receive support for Oracle Clusterware, a licensed Oracle product must be used in the clustered environment. Licensed Oracle products include OVM for LINUX or SPARC, Oracle Linux, Oracle Solaris, or any of the licensed Oracle application.  

12c WHAT'S NEW!

 Oracle Grid Infrastructure 12c introduces FLEX CLUSTER, a new and innovative clustering solution

Flex Cluster is an innovative clustering solution combining tightly coupled database servers and loosely coupled application servers in a common cluster. This topology allows you to leverage the HA, dependency and placement policies of Oracle Clusterware for both tiers, while not imposing database clustering requirements, such as shared storage, on the application servers. This solution offers more efficient scalability as well as greater intra-tier and inter-tier availability for applications and the Oracle database.

 

12c WHAT'S NEW!

Oracle Grid Infrastructure 12c Agents version 2.1 with AIX, Solaris and Linux Support for Oracle GoldenGate, Siebel and Apache components!

The Oracle Grid Infrastructure provides the necessary components to manage high availability (HA) for any business critical application. HA in consolidated environments is no longer simple active/standby fail over. These environments require run-time workload management that guarantees resource allocation when required. Oracle Grid Infrastructure Agents enable workload management and HA for Oracle applications.

Previous to Oracle Grid Infrastructure 12c, the agent delivery model is stand-alone. These agents are available for download from the OTN  downloads tab on this page and can be configured in a user defined agent home. The stand-alone installation model offers greater flexibility in agent home directory configuration and subsequent agent upgrades. This is the preferred installation model and will continue to be available for 12c support. Customers can deploy 11.2.0.3+  or 12.1+ stand-alone agents using the OTN download tab.

Oracle Grid Infrastructure 12c introduces Bundled Agents where the agents are delivered with the Oracle Grid Infrastructure software release and subsequent patches. This deployment model defines the agent home under the Oracle Grid Infrastructure directory tree and complies with the inventory for the GI deployment. For this reason, the 12c bundled agents can only be upgraded with the Oracle Grid Infrastructure. The agent stand-alone versions can not be installed in the Oracle Grid Infrastructure 12c bundled agent home. You must chose whether to deploy the stand-alone or bundled versions.

The Oracle Grid Infrastructure Agents (bundled or stand-alone)  adhere to the Oracle Clusterware  Licensing noted above. Click on the Downloads  tab or visit http://www.oracle.com/technetwork/products/clusterware/downloads/index.html today!

Reference Guide: Oracle Grid Infrastructure Agents version 2.1 (PDF)

White paper:Oracle GoldenGate Best Practices: Configuring Oracle GoldenGate with Oracle Grid Infrastructure Bundled Agents (XAG) (PDF)
 

12c WHAT'S NEW!

 The 12c Application Cluster - An HA and Resource Management Cluster for the Application Tier

For those applications that cannot co-locate with the Oracle Database in a standard cluster or Flex Cluster, the 12c Application Cluster allows you to install and configure the Oracle 12c Grid Infrastructure for applications in a stand-alone cluster. This configuration removes Oracle Database specific resources from the clusterware and allows for either shared storage, ACFS or remote ASM storage for the Oracle Clusterware repository and voting devices. This builds on the Oracle 'thin' Cluster introduced in 11g.

 

Overviews, Technical Articles and Whitepapers from Earlier Releases


White paper: Siebel CRM 8.0/8.1/8.2 HA with Oracle Clusterware 11g Release 2 (PDF)
White paper: Oracle Golden Gate HA with Oracle Clusterware Pre-11g Release 2 (11.2.0.3) (PDF)
White paper: Oracle Real Application Clusters (RAC) and Oracle Clusterware Interconnect VLAN Deployment Considerations (PDF)


Overview


Technical Articles

 

Oracle application protected by Oracle Clusterware


Pre-configured agents for Oracle Clusterware


Related Technology


Oracle RAC Technologies Certification Matrix

 

Overview


Technical Articles


Using Oracle Clusterware to protect any kind of application


Oracle application protected by Oracle Clusterware


Pre-configured agents for Oracle Clusterware


Related Technology


Oracle RAC Technologies Certification Matrix

 


Oracle Clusterware for Oracle Linux



Related Technology


Oracle RAC Technologies Certification Matrix

 
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