Implementing Oracle GoldenGate High Availability on RAC Environments
Integrating Oracle databases with external big data platforms often necessitates robust data synchronization solutions. Oracle GoldenGate (OGG) is a common choice for this, but its high-availability (HA) configuration within an Oracle Real Application Clusters (RAC) environment can be complex. This guide outlines the steps to deploy OGG on an O ...
Posted on Wed, 21 Oct 2026 16:40:04 +0000 by MobiTec
Changing IP Addresses in Oracle 11g RAC Environments
IP Address Types in Oracle 11g RAC
Oracle 11g RAC utilizes several distinct IP address categories:
Public IP: Used for normal cluster operations and client connections
Virtual IP (VIP): Provides failover capabilities for application connections
Single Client Access Name (SCAN) VIP: Allows clients to connect using a single name regardless of cl ...
Posted on Mon, 28 Sep 2026 16:47:44 +0000 by wisewood
Oracle RAC Cluster Heartbeat Mechanisms and Best Practices
Physical Network Configuration Guidelines
Avoid direct crossover cabling between nodes; use dedicated switches instead.
Isolate the private interconnect (heartbeat network) from the public application network.
If sharing a switch is unavoidable, enforce VLAN segmentation.
Oracle explicitly prohibits crossover cables for Clusterware internal ...
Posted on Sat, 09 May 2026 14:38:34 +0000 by kinaski