NSS software RAIDs are supported for use with NSS pools. You can use the nlvm create raid command with type=sbd to mirror an SBD partition on two shared LUN devices for the OES Cluster Services SBD (split-brain-detector). The sbd type for a software RAID1 is also used by the OES Cluster Services SBD Utility (sbdutil) to mirror the SBD partition.
IMPORTANT:Do not create linux partitions (or any non-Novell type partition) on an NSS software RAID device. Doing so causes all pool creations on that RAID device to fail.