HP Surestore Disk Array 12h and FC60 - Manual (Page 132)

132 Topologies for Windows NT and Windows 2000
Figure 44 An Unsupported Single-Hub Topology
Unsupported Windows Topology
Because this topology provides
four paths from the host to each
disk array, it is not supported. Any
topology that provides more than
two paths from a host to the disk
array is not supported.
Path 2
Path 1
Path 3
Path 4