.SH NOTES
If vgchange recognizes COW snapshot LVs that were dropped because they ran
out of space, it displays a message informing the administrator that the
snapshots should be removed.
.SH EXAMPLES
Activate all LVs in all VGs on all existing devices.
.br
.B vgchange -a y

Change the maximum number of LVs for an inactive VG.
.br
.B vgchange -l 128 vg00