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Re: Files with non-ASCII names inaccessible after xfs_repair

To: Zachary Kotlarek <zach@xxxxxxxxxxxx>, xfs@xxxxxxxxxxx
Subject: Re: Files with non-ASCII names inaccessible after xfs_repair
From: Stan Hoeppner <stan@xxxxxxxxxxxxxxxxx>
Date: Sun, 12 Jan 2014 12:47:52 -0600
Delivered-to: xfs@xxxxxxxxxxx
In-reply-to: <A40DF90D-5F6B-4595-AA30-B91D8F7972D0@xxxxxxxxxxxx>
References: <A40DF90D-5F6B-4595-AA30-B91D8F7972D0@xxxxxxxxxxxx>
Reply-to: stan@xxxxxxxxxxxxxxxxx
User-agent: Mozilla/5.0 (Windows NT 5.1; rv:24.0) Gecko/20100101 Thunderbird/24.2.0
On 1/12/2014 7:28 AM, Zachary Kotlarek wrote:
> My XFS filesystem dismounted while copying a ~3 GB file. I won’t
> claim to know why; I’m fairly confident only that 1 file was being
> modified at the time. The log replayed cleanly when remounting, but
> attempting to remove the file in question caused the same dismount.
> So I ran xfs_repair. It put one file in lost+found (which appears to
> be written when if failed initially) and reported a number or
> warnings to the effect of: bad hash table for directory inode 2054
> (hash value mismatch): rebuilding rebuilding directory inode 2054 
> which I didn’t take to be serious, though I suspect now that’s where
> things went wrong.
> I now have 23 directories (matching the 23 “rebuilding" messages)
> where a file or directory with non-ASCII characters in the name
> exists in the directory list but cannot be read or deleted:
> ls -la ls: cannot access 07 - Señor Macho Solo.m4v: No such file or
> directory -rw-rw----+  1 profplump media 332M Sep 11  2010 06 -
> Christmas Special.m4v ???????????  ? ?         ?        ?
> ? 07 - Se??or Macho Solo.m4v -rw-rw----+  1 profplump media 304M Sep
> 11  2010 08 - Flu Shot.m4v
> So the file exists in the directory listing (`ls` and `find` can both
> see it) but I cannot delete or stat or open it. If I touch the
> affected filename I get a second entry in the directory listing, both
> apparently pointing to the same, new, empty file. If I then delete
> the same filename I get back to the original state — a single,
> unusable directory entry.
> I’d like to (if possible) re-link those directory listings to the
> related files, or at least delete them so the files can be restored
> and folders can be used normally. I’m also worried that running
> xfs_repair in the future might re-create this problem.
> But I don’t even know where to start in trying to fix this. And I
> still cannot delete the file that started this whole sequence of
> events. So if anyone has suggestions I’d be happy to hear them.

Start here:


If this is due to a bug it may have already been fixed.  Note the first
two things asked for.


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