MD_DISK_FAULTY
if (desc->state & (1<<MD_DISK_FAULTY))
d->state = (1<<MD_DISK_FAULTY);
d->state |= (1<<MD_DISK_FAULTY);
info.state |= (1<<MD_DISK_FAULTY);
if (!(info->state & (1<<MD_DISK_FAULTY))) {