In a 3-node cluster, StarWind can provide 3-way mirroring, allowing the cluster to withstand a failure of two nodes without loosing data accessibility. In a cluster of more than 3 nodes, a grid architecture can be configured to withstand the failure of two nodes.
Product :
StarWind, Virtual SAN [SDS]/13279, x86
Feature :
Block Failure Protection, Reads/Writes, Data Availability