gistfile1.txt

root@xen:~# pvscan
  PV /dev/md0   VG vg0             lvm2 [272.96 GiB / 258.07 GiB free]
  Total: 1 [272.96 GiB] / in use: 1 [272.96 GiB] / in no VG: 0 [0   ]
root@xen:~# vgscan
  Reading all physical volumes.  This may take a while...
  Found volume group "vg0" using metadata type lvm2
root@xen:~# vgchange -a y
  1 logical volume(s) in volume group "vg0" now active
root@xen:~# lvscan
  ACTIVE            '/dev/vg0/homelv' [14.90 GiB] inherit
root@xen:~#