Collects an lvmdump in standard format with optional metadata
           archives for each physical volume present.

def do_lvmdump(self, metadata=False):
        """Collects an lvmdump in standard format with optional metadata
           archives for each physical volume present.
        """
        lvmdump_path = self.get_cmd_output_path(name="lvmdump", make=False)
        lvmdump_cmd = "lvmdump %s -d '%s'"
        lvmdump_opts = ""

        if metadata:
            lvmdump_opts = "-a -m"

        cmd = lvmdump_cmd % (lvmdump_opts, lvmdump_path)

        self.add_cmd_output(cmd, chroot=self.tmp_in_sysroot())