biosraid mbrs get device name error

[Yurii-huang]

find the code using device.name?

def collect_mbrs(devices, root=None):
    """ Read MBR signatures from devices.

        Returns a dict mapping device names to their MBR signatures. It is not
        guaranteed this will succeed, with a new disk for instance.
    """
    mbr_dict = {}
    for dev in devices:
        fd = -1
        try:
            path = util.Path("/dev", root=root) + dev.name
            fd = os.open(path.ondisk, os.O_RDONLY)
            # The signature is the unsigned integer at byte 440:
            os.lseek(fd, 440, 0)
            data = os.read(fd, 4)
            mbrsig = struct.unpack('I', data)
            sdata = struct.unpack("BBBB", data)
            sdata = "".join(["%02x" % (x,) for x in sdata])
            os.close(fd)
            testdata_log.debug("device %s data[440:443] = %s", path, sdata)

[Yurii-huang]

[Yurii-huang]

Try set uuid and full-path it's error continues

[Yurii-huang]

It's should not use device_name，should to use device_links any one.
In the context of the mapper, it's not a subset device with /dev, real path is /dev/md/xxxx (biosraid)