Re: How to deal with "The chunks in memory can not match the metadata of the fs. Repair failed."?

[Gui Hecheng <guihc.fnst@cn.fujitsu.com>]

On Mon, 2014-09-15 at 16:59 +0200, Karl-Philipp Richter wrote:
> Hi together,
> I'm currently encountering another issue with `btrfs rescue 
> chunk-recover`. After some seconds of maximal I/O activity, the program 
> is idle for some seconds and then prints
> 
>      The chunks in memory can not match the metadata of the fs. Repair 
> failed.
>      Fail to recover the chunk tree.
> 
> I don't find any mention of this output except in the source code (this 
> is as well the only thing $SEARCH_ENGINE points me to). What is the 
> recommended next step? It would be nice to see the situation (The chunks 
> in memory can not match the metadata of the fs) or the output mentioned 
> in `man btrfs rescue`.
> 
> Any help is appreciated.
> 
> -Kalle

Hi Kalle,
If you are encountering the above msg, it means the chunk tree has some
inconsistent stuff with other trees like device tree & extent tree.
You can specify the '-v' option for chunk-recover to see more details.

And also, the btrfs check cmd may tell more about the story.

Thanks,
Gui


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