def execute(self, ns, name, devices, _extent_size=None):
        if _extent_size:
            _extent_size = str2size(_extent_size)
        lvm.create_vg(ns, devices, name, _extent_size)
Implementation of 'vg create' command.
dataset/ETHPy150Open openlmi/openlmi-scripts/commands/storage/lmi/scripts/storage/cmd/vg.py/VGCreate.execute