Re: "interesting" crash : 3.18.44, huge xfs, nfs

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On 4/4/17 12:43 PM, Emmanuel Florac wrote:
> Le Tue, 4 Apr 2017 12:36:57 -0500
> Eric Sandeen <sandeen@xxxxxxxxxxx> écrivait:
> 
>>>> Context: this is a file server. There was a power failure
>>>> yesterday, so there's probably some corruption hidden somewhere
>>>> triggering the crash.  
>>
>> and using filestreams, apparently?
> 
> I don't see why or where we'd use filestreams there... What's the use
> case actually?

well, it's in your crash backtrace, so you tell me ;)

>>>
>>> The machine goes on crashing on disk access... xfs_repair 4.9 is
>>> running now, and after that we'll reboot with a current kernel
>>> (4.4.59). Any advice?  
>>
>> Yep, go back in time & get an xfs_metadump before you repair it.  :(
> 
> You know how it goes it crashes, users scream, administrator jumps on
> xfs_repair, and the rest is history.
>  
>> Please do at least capture repair output.
>>
> 
> Well the only thing I know is "there was nothing special in xfs_repair
> output"... I'll tell the admin to catch the output next time if
> necessary...

So it crashed on every access, and repair fixed it, but repair said
"nothing special" in the process?  :(

-Eric

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