The following features are included in the Oracle Solaris Cluster 3.3 version but are not included in the Oracle Solaris Cluster 4.2 release:
Support for Veritas File System (VxFS) and Veritas Volume Manager (VxVM)
Support for the VxVM cluster feature for Oracle RAC in addition to VxVM with Oracle Solaris Cluster
Support for non-global zones as resource-group node-list targets
Support for Oracle Solaris IP Security Architecture (IPsec) on the private interconnect
Support for Hitachi True Copy and Hitachi Universal Replicator storage-based replication