However, once reconnected, the physical server from which they get their applications and data is transparent. Services need not reside on servers physically attached to storage devices, which means service failover does not require storage device or file system failover. Diskless Failover provides flexibility as well as minimizing failover time. The Sun Cluster 3.0 framework simplifies administration by managing the resources on a single system within a cluster-wide context. This means that all the cluster resources can be managed and administered as if they were on a single system.
Administrators have access to all system management tools from any system in the cluster.
And because of the integration with the Solaris Operating Environment, familiar Solaris commands execute just as if only a single system were being administered. It allows complex tasks to be performed with ease by enabling system administrators to manage any resource on a cluster from anywhere on the network where the Sun Management Center framework is available. This provides tremendous cost savings for organizations where administrators are responsible for systems located in different buildings, cities, and even countries. Sun Cluster 3.0 API Sun provides a list of qualified Scalable and HA Agents. If an application does not have a qualified agent, system administrators can use the Sun Cluster 3.0 API or agent builder to cluster-enable the application to run as a Scalable or Failover Service.