# gnt-node list
# vgs --noheadings --nosuffix --units=m --unbuffered '--separator=|' -ovg_name,vg_free,vg_attr,vg_size
elif echo $* | grep -q vg_name,vg_free,vg_attr,vg_size ; then
# gnt-node list
# vgs --noheadings --nosuffix --units=m --unbuffered '--separator=|' -ovg_name,vg_free,vg_attr,vg_size
elif echo $* | grep -q vg_name,vg_free,vg_attr,vg_size ; then