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List:       linux-btrfs
Subject:    Re: [PATCH] btrfs-progs: Skip device tree when we failed to read it
From:       Christian Wimmer <telefonchris () icloud ! com>
Date:       2019-12-07 3:47:08
Message-ID: 4C0C9689-3ECF-4DF7-9F7E-734B6484AA63 () icloud ! com
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Hi Qu,


> Chunk tree is good, so is root tree and extent tree.
> 
> You can go btrfs restore without problem. (Of course, need to use
> patched version)
> 
> Thanks,
> Qu


Unfortunately I can not restore the contents:

# ./btrfs restore /dev/sdb1 test/
checksum verify failed on 5349895454720 found 000000A8 wanted 00000000
checksum verify failed on 5349895454720 found 000000A8 wanted 00000000
checksum verify failed on 5349895454720 found 000000A8 wanted 00000000
bad tree block 5349895454720, bytenr mismatch, want=5349895454720, have=14275350892879035392
WARNING: could not setup device tree, skipping it
checksum verify failed on 3541835317248 found 00000044 wanted 00000000
checksum verify failed on 3541835317248 found 00000061 wanted 0000001C
checksum verify failed on 3541835317248 found 00000061 wanted 0000001C
bad tree block 3541835317248, bytenr mismatch, want=3541835317248, have=18445340955138505899
Error searching -5
# 

What else can I try?

Thanks,

Chris


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