拿到新硬盘了，dd了，结果repair没成功，感觉数据可能回不来了。

【 在 Akyrum 的大作中提到: 】
: 先dd到新盘，在新盘上玩玩看看
: Repairing the filesystem
: Do not attempt to repair the filesystem yourself, but seek advice from the developers at the #btrfs IRC channel or the Btrfs mailing list. There are advanced mount options such as -o ro,rescue=all and -o ro,usebackuproot that can assist in recovery, but do not attempt to use them without consulting with experienced admins first.
: ...................
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