Microsoft cluster support limitations using FC RDM LUNs
SnapDrive supports Microsoft clusters using FC RDM LUNs on different virtual machines belonging to different ESX servers, but there are some instances when this feature is not supported.
SnapDrive does not support clusters on ESX iSCSI and NFS datastore.
SnapDrive does not support mixed initiators in a clustered environment.
Initiators must be either FC or Microsoft iSCSI, but not both.
Note: ESX iSCSI initiators and HBAs are not supported on shared disks in a Microsoft cluster.
SnapDrive does not support MSCS on VMware guest OS virtual machine cluster nodes belonging to two different vCenters.
SnapDrive does not support virtual machine migration with VMotion if the virtual machine is part of a Microsoft cluster.
SnapDrive does not support MPIO on virtual machines in a Microsoft cluster.