HP StorageWorks SAN Virtualization Services Platform administrator guide (5697-0204, January 2010)

Figure 32 Backup policy attributes
.
Figure 33 shows that VSS was selected as the snapshot method for use. VSS was selected through
the Advanced Snapshot Options... button shown in Figure 32.
Figure 33 VSS selected as the snapshot method
.
VSS deployment with VSM virtual disk groups
To reference multiple VSM virtual disks as a single entity, you must place the VSM virtual disks in a
virtual disk group (VDG). Every operation that you perform on the VDG is carried out synchronously
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