Re: Fail to mount NILFS.

[Ryusuke Konishi <ryusuke-sG5X7nlA6pw@public.gmane.org>]

On Sat, 22 Aug 2009 13:36:13 +0300, Yuri Chislov wrote:
> Hi,
> 
> On Saturday 22 August 2009 12:50:13 Ryusuke Konishi wrote:
> > The first message is just information I added in the patch.
> > But, uum, the root inode of checkpoint 27252 seems to be broken, too.
> >  
> > Can you go back to much older checkpoints ?
> 
> I try to use older snapshot, that was successfully used before:
> 
> Aug 16 07:10:32 filer filer: Running: /sbin/mount.nilfs2 -r -o cp=5063 
> /dev/cciss/c0d1p1 /snaps/2009-08-16_07_10_07
> Aug 16 07:10:32 filer filer: Status: [OK]  Ouput:
> 
> But currently I get the same error.

Hmm, this seems to be caused by corruption of DAT file.  Maybe garbage
collection failed to update the DAT file due to some bug.

> The stored data is not critical for me so, as I have full backups, but I
> prefer to check possibility of the fs recovery, if possible.
> 
> I have update utils to 2.0.14 and kernel to 2.6.30.5 + your patch.
> Is it possible to add some printk to get additional information?
> 
> Thank you.
> Yuri.

Thanks.  I will send you an additional patch for analysis later.

Thanks,
Ryusuke Konishi