Configuring source volumes
Because the VSS and VDS support taking shadow copies only for volumes that are based on disks from SAN Volume Controller or DS8000®, the disks must be assigned to the guest OS by the pass-through mode.
Because the VSS and VDS support taking shadow copies only for volumes that are based on disks from SAN Volume Controller or DS8000®, the disks must be assigned to the guest OS by the pass-through mode.