I need to rename appoggiovg volumegroup

root@paul:/#lsvg
hpsanvg
rootvg
oraexpvg
dati2vg
dati3vg
dati4vg
dati5vg
appoggiovg

Appoggiovg is create over hdisk7

I need:

varyoffvg appoggiovg
exportvg appoggiovg

root@paul:/#lspv
hdisk2          00c655c40fab3811                    rootvg          active
hdisk0          00c7662d78e1b21f                    hpsanvg         active
hdisk1          00c655c4d544cca6                    oraexpvg        active
hdisk3          00c655c444918136                    dati2vg         active
hdisk4          00c655c4db40e342                    dati3vg         active
hdisk5          00c655c428a07b90                    dati4vg         active
hdisk6          00c655c428a0de52                    dati5vg         active
hdisk7          00c655c4ae67c723                    None

root@paul:/#importvg -y dati6vg hdisk7

root@paul:/#lspv
hdisk2          00c655c40fab3811                    rootvg          active
hdisk0          00c7662d78e1b21f                    hpsanvg         active
hdisk1          00c655c4d544cca6                    oraexpvg        active
hdisk3          00c655c444918136                    dati2vg         active
hdisk4          00c655c4db40e342                    dati3vg         active
hdisk5          00c655c428a07b90                    dati4vg         active
hdisk6          00c655c428a0de52                    dati5vg         active
hdisk7          00c655c4ae67c723                    dati6vg         active