Analysis of information sources in references of the Wikipedia article "Oracle RAC" in English language version.
The Fast Application Notification (FAN) mechanism [...] allows the rapid detection of "Instance DOWN
" or "Node DOWN
events [...]
An RAC database configuration requires extra tools to manage the software and its instances. One such tool is srvctl, used to startup, shutdown and check the status [of] a RAC database.
Oracle 11g R2 RAC introduced several new clusterware background processes. [...] The Oracle Grid Naming Service (GNS) functions as a gateway between the cluster mDNS and external DNS servers. The GNS process performs the name resolution within Oracle Cluster registry architecture for Oracle 11g RAC.
Released with v11.2.0.4, the Trace File Analyzer (TFA) Collector utility is the new all-encompassing utility that simplifies collection of RAC diagnostic information.
Oracle RAC One Node provides: . Always on single-instance database services . Better consolidation for database servers . Enhanced server virtualization . [,,,] should the need arise, upgrade to a full multi-node Oracle RAC database without downtime or disruption. [...] Oracle Real Application Clusters (RAC) One Node is a new option to Oracle Database 11g Release 2 Enterprise Edition. It provides enhanced high availability for singleinstance databases,
From among the 500+ New Features released with Oracle 12c Database, a number of very useful features are Oracle RAC specific. View the top 12c RAC New Features including Oracle ASM Flex, ASM Disk Scrubbing, faster Disk Resync Checkpoint, higher Resync Power limit and more.