In Solstice DiskSuite configurations that use mediators, the number of mediator hosts configured for a diskset must be exactly two.
DiskSuite Tool (metatool) is not compatible with Sun Cluster 3.0 software.
Use of VxVM Dynamic Multipathing (DMP) with Sun Cluster 3.0 software to manage multiple paths from the same node is not supported.
Simple root disk groups (rootdg created on a single slice of the root disk) are not supported as disk types with VxVM on Sun Cluster software.
Software RAID 5 is not supported.