How do I use multiple network interfaces to provide High Availability and/or Load Balancing for my interconnect with Oracle Clusterware?
This needs to be done externally to Oracle Clusterware usually by some OS provided nic bonding which gives Oracle Clusterware a single ip address for the interconnect but provide failover (High Availability) and/or load balancing across multiple nic cards. These solutions are provided externally to Oracle at a much lower level than the Oracle Clusterware, hence Oracle supports using them, the solutions are OS dependent and therefore the best source of information is from your OS Vendor. However, there are several articles in Metalink on how to do this. For example for Sun Solaris search for IPMP (IP network MultiPathing). Note: Customer should pay close attention to the bonding setup/configuration/features and ensure their objectives are met, since some solutions provide only failover and some only loadbalancing still others claim to provide both. As always, it’s always important to test your setup to ensure it does what it was designed to do. For Linux, read the doc on rac.us :Configu
