oracleskill

     Oracle continues to enhanced Real Application Clusters in Oracle11g and we see some exciting new features in RAC manageability and enhanced performance:      
            
      Oracle 11g RAC parallel upgrades     
      Oracle 11g promises to have a rolling upgrade features whereby RAC database can be upgraded without any downtime. Ellison first promised this feature in 2002, and it is a very challenging and complex 11g new feature.     
            
      Oracle RAC load balancing advisor     
      Starting in 10gr2 we see a RAC load balancing advisor utility. Oracle says that the 11g RAC load balancing advisor is only available with clients which use .NET, ODBC, or the Oracle Call Interface (OCI).     
            
      ADDM for RAC     
      Oracle will incorporate RAC into the automatic database diagnostic monitor, for cross-node advisories.

      Optimized RAC cache fusion protocols      
      Moves on from the general cache fusion protocols in 10g to deal with specific scenarios where the protocols could be further optimized     
            
      Oracle 11g RAC Grid provisioning     
      The Oracle grid control provisioning pack allows you to "blow-out" a RAC node without the time-consuming install, using a pre-installed "footprint". Oracle 11g OEM has have easy server blade installs where a binary footprint is tar'ed to the server blade and configured, without a cumbersome install process.     
            
      Hot patching     
      Zero downtime patch application.     
            
      Data Guard - Standby snapshot     
      The new standby snapshot feature allows you to encapsulate a snapshot for regression testing. You can collect a standby snapshot and move it into your QA database, ensuring that your regression test uses real production data.     
            
      Quick Fault Resolution     
      Automatic capture of diagnostics (dumps) for a fault.     
      RELATE LINK :     
      Oracle 11g SQL new features
Oracle 11g PL/SQL new features
Oracle 11g programming support new features
Oracle 11g DBA new features
Oracle 11g OEM Enterprise Manager new features
Oracle 11g Performance tuning optimization new features
Oracle 11g security & auditing new features