Sun Cluster HA for MySQL is supported in Solaris Containers. Sun Cluster offers the following concepts for Solaris Containers.
Zones are containers which are running after a reboot of the node. These containers, combined with resource groups having the node name nodename:zonename as a valid “node name” in the resource groups node name list.
HA Containers are managed by the Solaris Container agent, and are represented by a resource of a resource group.