Understand Oracle Flex Clusters and their configuration requirements.

• Understanding Oracle Flex Clusters
  Starting with Oracle Grid Infrastructure 12c Release 2 (12.2), Oracle Grid Infrastructure cluster configurations are Oracle Flex Clusters deployments.
• About Oracle Flex ASM Clusters Networks
  Starting with Oracle Grid Infrastructure 12c Release 1 (12.1), as part of an Oracle Flex Cluster installation, Oracle ASM is configured within Oracle Grid Infrastructure to provide storage services.
• General Requirements for Oracle Flex Cluster Configuration
  Review this information about network requirements for Oracle Flex Cluster configuration.
• Oracle Flex Cluster DHCP-Assigned Virtual IP (VIP) Addresses
  Configure cluster node VIP names for all the cluster nodes.
• Oracle Flex Cluster Manually-Assigned Addresses
  Review this information to manually assign cluster node VIP names for the cluster nodes.