'Return vdisk attributes
Exception is raised if the information from system can not be
parsed/matched to a single vdisk.
:param vdisk_ref: vdisk name or vdisk id'

def _get_vdisk_attributes(self, vdisk_ref):

    ssh_cmd = ['svcinfo', 'lsvdisk', '-bytes', '-delim', '!', vdisk_ref]
    return self._execute_command_and_parse_attributes(ssh_cmd)
