Oracle Database 11g Oracle Real Application Clusters by K Gopalakrishnan
By K Gopalakrishnan
Grasp Oracle actual software Clusters continue a dynamic company computing infrastructure with professional guide from an Oracle ACE. Oracle Database 11g Oracle genuine software Clusters instruction manual, moment version has been totally revised and up-to-date to hide the newest instruments and contours. tips to arrange your undefined, installation Oracle genuine software Clusters, optimize information integrity, and combine seamless failover safety. Troubleshooting, functionality tuning, and alertness improvement also are mentioned during this accomplished Oracle Press consultant. set up and configure Oracle actual program Clusters Configure and deal with diskgroups utilizing Oracle computerized garage administration paintings with providers, vote casting disks, and Oracle Clusterware Repository glance lower than the hood of the Cache Fusion and worldwide source listing operations in Oracle genuine purposes Clusters discover the interior workings of backup and restoration in Oracle actual software Clusters hire workload balancing and the obvious software Failover characteristic of an Oracle database Get entire insurance of Stretch Clusters, often referred to as Metro Clusters Troubleshoot Oracle Clusterware utilizing the main complicated diagnostics on hand strengthen customized Oracle genuine program Clusters purposes
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Additional info for Oracle Database 11g Oracle Real Application Clusters Handbook, 2nd Edition
This enables multiple deployment models for the database cloud, which allow for deployment in both physical and virtual environments. A database cloud helps to facilitate consolidation, but not all forms of consolidation yield the same benefits. To maximize ROI, companies need to understand the various forms of consolidation and their impact on the bottom line. The easiest form of consolidation is to consolidate at the server level, often using server virtualization. This is easy, and provides immediate and visible payback.
The ideal DT solution would result in no downtime and no lost data, even during a disaster. Such solutions do exist, but they cost more than solutions that have some amount of downtime or data loss associated with a disaster. Planned and Unplanned Outages So what happens when an application stops working or stops behaving as expected, due to the failure of even one of the crucial components? Such an application is deemed down and the event is called an outage. This outage can be planned for—for example, consider the outage that occurs when a component is being upgraded or worked on for maintenance reasons.
Management costs are kept low via centralized management and features to automate meeting quality of service objectives. End users need not be concerned with managing the resources— rather they interact with managed services that allow them to focus on their core business. Although many well-known infrastructure clouds are built using server virtualization, server virtualization is not a requirement of a cloud. A database cloud need not be deployed in a server virtualization environment. Oracle RAC has for years had the ability to abstract a database service from the underlying physical hardware and storage hosting it, providing its own virtualization capabilities.