HP Hitachi Dynamic Link Manager Software - Manual (Page 280)

3. Creating an HDLM Environment
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Figure 3-31: Example of Editing the /etc/lvm/lvm.conf File
8. Execute the VG scan.
To re-create the volume group on the HDLM device, execute the
vgscan
command as shown in the following example:
# vgscan
Reading all physical volumes. This may take a while...
Found exported volume group "vg01" using metadata type lvm2