The following restrictions apply to hardware in all Oracle Solaris Cluster configurations.
All nodes in the same cluster must be of the same architecture. They must be all SPARC-based systems or all x86-based systems.
Multihost tape, CD-ROM, and DVD-ROM are not supported.
Alternate pathing (AP) is not supported.
Storage devices with more than a single path from a given cluster node to the enclosure are not supported except for the following storage devices:
Oracle's Sun StorEdge A3500, for which two paths are supported to each of two nodes.
Devices using Oracle Solaris I/O multipathing, formerly Sun StorEdge Traffic Manager.
EMC storage devices that use EMC PowerPath software.
Oracle's Sun StorEdge 9900 storage devices that use HDLM.
SunVTS software is not supported.