Renaming a non root Volume Group - denis-kol4ev/OraDBA GitHub Wiki
1. Use the vgrename command to rename an existing volume group.
[root@angel ~]# vgrename /dev/vg_soft /dev/vg_distr
Volume group "vg_soft" successfully renamed to "vg_distr"
[root@angel ~]# vgrename vg_soft vg_distr
Volume group "vg_soft" successfully renamed to "vg_distr"