The following VxFS features are not supported in a Sun Cluster 3.1 configuration.
Quick I/O
Snapshots
Storage checkpoints
Cache advisories (these can be used, but the effect will be observed on the given node only)
VERITAS CFS (requires VERITAS cluster feature and VCS)
All other VxFS features and options that are supported in a cluster configuration are supported by Sun Cluster 3.1 software. See VxFS documentation and man pages for details about VxFS options that are or are not supported in a cluster configuration.
The following VxFS-specific mount options are not supported in a Sun Cluster 3.1 configuration.
convosync (Convert O_SYNC)
mincache
qlog, delaylog, tmplog
For information about administering VxFS cluster file systems in a Sun Cluster configuration, see “Administering Cluster File Systems Overview” in Sun Cluster 3.1 System Administration Guide.