On 26th of October Oracle announced the availability of Oracle Solaris Cluster 4.1.

Highlights include:

• New Oracle Solaris 10 Zone Clusters: customers can now consolidate mission critical Oracle Solaris 10 applications on Oracle Solaris 11 virtualized systems in a virtual cluster
• Expanded disaster recovery operations: Oracle Solaris Cluster now offers managed switchover and disaster-recovery takeover of applications and data using ZFS Storage Appliance replication services in a multi-site, multi-custer configuration
  
• Faster application recovery with improved storage failure detection and resource dependencies management
  
• New labeled security environment for mission-critical deployments in Oracle Solaris Zone Clusters with Oracle Solaris 11 Trusted Extensions

• What's New in Oracle Solaris 4.1
• Oracle Solaris Cluster 4.1 FAQ
• Oracle.com Oracle Solaris Cluster page
• Oracle Technology Network Oracle Solaris Cluster page
  

Resouces for downloading:

• Oracle Solaris Cluster 4.1 download
  
• or order a media kit

Existing Oracle Solaris Cluster 4.0 customers can quickly and simply update by using the network based repository.

Note: This repository requires keys and certificates which can be obtained here.