update-grub の grub エラー「不要な RAID メンバー」

私のシステム（wheezy/sid:2.6.32-5-amd64 #1 SMP x86_64 GNU/Linux）が正常に動作しています。一部のメッセージが何を意味するのか疑問に思います。私のシステムでは、2つのmdraidアレイが実行されています。これはcat /proc/mdstat：

Personalities : [raid1] [raid6] [raid5] [raid4] 
md1 : active (auto-read-only) raid5 sda3[0] sdc3[3] sdb3[1]
      823103488 blocks super 1.2 level 5, 512k chunk, algorithm 2 [3/3] [UUU]

md0 : active raid1 sda2[0] sdc2[2](S) sdb2[1]
      72628769 blocks super 1.2 [2/2] [UU]

私は/dev/md0as/と/dev/md1asを使います/home。update-grup実行または grub が表示されるたびにエラーが発生しますerror: superfluous RAID member (2 found).。

削除した理由を理解するには、以下の結果を見てくださいupdate-grub。

error: superfluous RAID member (2 found).
error: superfluous RAID member (2 found).
Generating grub.cfg ...
error: superfluous RAID member (2 found).
error: superfluous RAID member (2 found).
error: superfluous RAID member (2 found).
error: superfluous RAID member (2 found).
error: superfluous RAID member (2 found).
error: superfluous RAID member (2 found).
error: superfluous RAID member (2 found).
error: superfluous RAID member (2 found).
error: superfluous RAID member (2 found).
error: superfluous RAID member (2 found).
error: superfluous RAID member (2 found).
error: superfluous RAID member (2 found).
error: superfluous RAID member (2 found).
error: superfluous RAID member (2 found).
error: superfluous RAID member (2 found).
Found background image: /usr/share/images/desktop-base/desktop-grub.png
error: superfluous RAID member (2 found).
Found linux image: /boot/vmlinuz-2.6.32-5-amd64
Found initrd image: /boot/initrd.img-2.6.32-5-amd64
error: superfluous RAID member (2 found).
error: superfluous RAID member (2 found).
error: superfluous RAID member (2 found).
error: superfluous RAID member (2 found).
error: superfluous RAID member (2 found).
  No volume groups found
done

これらのメッセージをどのように削除できますか？