Oracle Database 12c R2: High Availability New Features (D101285)

Cluster Types and Installation Options

• Stand-alone (Traditional Cluster)
• Oracle Domain Services Cluster
• Oracle Member Clusters
• Oracle Extended Clusters (Stretch Cluster)
• Installation Options
• Shared Grid Naming Service (GNS) High Availability
• Shared GIMR
• Rapid Home Provisioning Enhancements

Clusterware Manageability Enhancements

• Enhanced (Reasoned) Command Evaluation (Why-If)
• Clusterware Resource Groups
• Server Weight-Based Node Eviction
• Load-Aware Resource Placement

Clusterware Monitoring and Miscellaneous Enhancements

• Oracle Autonomous Health Framework
• Cluster Resource Activity Log
• Private Network IPv6 Support

Oracle ASM Manageability New Features

• Flex Disk Groups
• File Groups
• Quota Groups
• Prioritized Rebalancing for Oracle ASM File Groups
• Oracle ASM Mirror Splitting
• Prioritized Rebalancing for File Groups
• Oracle ASM Extended Support for 4K Sector Size
• Oracle IOServer: DBs on Leaf Nodes

ACFS Manageability New Features

• Snapshot Enhancements
• Oracle ACFS Automatic Resize
• Oracle ACFS Metadata Acceleration
• Oracle ACFS NAS Maximum Availability eXtensions

ACFS Performance Enhancements

• Oracle ACFS Defragger
• Oracle ACFS Compression
• Oracle ACFS Sparse Files
• Oracle ACFS Metadata Acceleration

Oracle RAC New Features

• Separation of Duty for Administering Oracle RAC
• Oracle Real Application Clusters Reader Nodes
• SCAN Listener and HTTP Protocol
• Service-Oriented Buffer Cache Access
• In-Memory FastStart
• QoS Support for Administrator-Managed Databases

Data Guard Configuration Enhancements

• Standby Database Creation Using DBCA
• New Initialization Parameters
• Detecting Lost Writes Using DBMS_DBCOMP.DBCOMP
• Rolling Upgrade Support for Multitenant Databases
• Upgrading Databases Using Oracle Label Security or Database Vault With Oracle Data Guard
• Far Sync Instance Creation using RMAN DUPLICATE with FARSYNC Option
• Automatic Propagation of Password File Changes
• Support of In-Memory Column Store in Active Data Guard Environments

Data Guard Broker Enhancements

• Multiple Fast-Start Failover Target Selection
• High Availability Observer Configuration
• Configurable Property, DataGuardSyncLatency
• Data Validation and Lost Write Detection using VALIDATE DATABASE DATAFILE
• Validation of Database Files on both Primary and Standby using the VALIDATE DATABASE DATAFILE command
• Using Broker Property ApplyInstances to Engage Multi-Instance Redo Apply
• DGMGRL Command Script Support @name
• Enhanced Broker Support for Application Continuity