The vgchange command is used to deactivate and activate volume groups, as described in Section 4.3.8, “Activating and Deactivating Volume Groups”. You can also use this command to change several volume group parameters for an existing volume group.

The following command changes the maximum number of logical volumes of volume group vg00 to 128.

vgchange -l 128 /dev/vg00

For a description of the volume group parameters you can change with the vgchange command, see the vgchange(8) man page.