HP Hitachi Dynamic Link Manager Software - Manual (Page 232)

3. Creating an HDLM Environment
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# vgscan
Reading all physical volumes. This may take a while...
Found volume group "VolGroup00" using metadata type lvm2
27. Check the relationship between the volume group and HDLM devices.
Execute the following command to make sure that the physical volumes that make
up the volume group are HDLM devices.