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Re: Corrupted file system

To: Diane Trout <diane@xxxxxxxxxxx>
Subject: Re: Corrupted file system
From: Eric Sandeen <sandeen@xxxxxxxxxxx>
Date: Wed, 24 Sep 2014 15:57:53 -0500
Cc: xfs-oss <xfs@xxxxxxxxxxx>
Delivered-to: xfs@xxxxxxxxxxx
In-reply-to: <705802842.F0QjhfVGQR@myrada>
References: <5839367.DyqsVHbRuQ@myrada> <20140924120840.1be78240@xxxxxxxxxxxxxxxxxxxx> <705802842.F0QjhfVGQR@myrada>
If you want to make a metadata image, compress it, and send it my way I'd be 
glad
to look at it - I've been doing some repair work lately.

-Eric

On 9/24/14 3:38 PM, Diane Trout wrote:
> On Wednesday, September 24, 2014 12:08:40 Emmanuel Florac wrote:
>> Le Tue, 23 Sep 2014 15:02:57 -0700
>>
>> Diane Trout <diane@xxxxxxxxxxx> écrivait:
>>> I had a raid failure at work that ended up corrupting an xfs
>>> filesystem the tail of the xfs_repair command looks like the below. I
>>> was able to generate a metadata dump but is there a point to making
>>> it available?
>>>
>>> It does crash repeatedly at the same place
>>
>> Did you try the very latest xfs_repair?
> 
> 
> I grabbed the one out of debian unstable (3.2.1), verified that it was your 
> latest release and used that. I didn't try building the version in git.
> 
> It did get much further than version 3.1.7+b1 (debian stable)
> 
> Diane
> 
> Phase 6 - check inode connectivity...
>         - resetting contents of realtime bitmap and summary inodes
>         - traversing filesystem ...
> entry "lymphoblastoid" in dir ino 256 doesn't have a .. entry, will set it in 
> ino 2051.
> bad hash table for directory inode 256 (no data entry): rebuilding
> rebuilding directory inode 256
> 7f70c79c8700: Badness in key lookup (length)
> bp=(bno 0x3480, len 4096 bytes) key=(bno 0x3480, len 8192 bytes)
> Metadata corruption detected at block 0x4000070/0x1000
> xfs_da_do_buf(2): XFS_CORRUPTION_ERROR
> 
> fatal error -- can't read block 8388608 for directory inode 259, error 117
> 
> 
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