01. lsvg -p VGNAME
$ lsvg -p rootvg
rootvg:
PV_NAME           PV STATE          TOTAL PPs   FREE PPs    FREE DISTRIBUTION
hdisk0            active            542         93          00..00..00..00..93
hdisk1            active            542         93          08..23..00..00..62

02. lspv
$ lspv
hdisk0          00004c0fa575c52f                    rootvg          active
hdisk1          00004c0fa63fc0b3                    rootvg          active
...