dump/restore corrupted filesystems

[Roland Smith]

On Wed, Apr 18, 2007 at 04:09:22PM -0500, CyberLeo Kitsana wrote:
> Roland Smith wrote:
> >> Sorry if I wasn't clear. Most all of the data is readable and complete
> >> if I mount the filesystem read-only. It just panics the box when mounted
> >> read/write, and fsck can't fix the damage.
> > 
> > That might be worth filing a PR for, especially the panics. 
> > 
> > Exactly what is damaged?  Garbage in files? Wrong inode counts? I've had
> > unclean filesystems because of panics, but nothing fsck_ffs couldn't
> > fix.
> > 
> > You might want to check the hardware too. Use smartmontools in case of
> > (S)ATA drives.
> 
> Smart says that the drives are fine, as does the manufacturer's disk
> fitness tools.

That's at least some good news.

> --8<--
> rsync: readlink
> "/raid/Backup/Pizzabox/2007-02-23/cyberleo/secondlife/linux/SecondLife_i686_1_13_2_15/skins/xui/es"
> failed: Bad file descriptor (9)
> rsync: readlink
> "/raid/Backup/Pizzabox/2007-02-23/cyberleo/secondlife/linux/SecondLife_i686_1_13_2_15/skins/xui/fr"
> failed: Bad file descriptor (9)
> --8<--

At least these files should be easy to replace, if necessary.

> fsck_ufs dies after about 30 minutes of grinding with the following:
> 
> --8<--
> ** Phase 2 - Check Pathnames
> DIRECTORY CORRUPTED  I=93409222  OWNER=1002 MODE=40755
> SIZE=512 MTIME=Feb 10 00:49 2007
> DIR=?
> 
> UNEXPECTED SOFT UPDATE INCONSISTENCY

Did these problems start after a crash? 

> SALVAGE? no

What happens if you tell it to try and salvage?
 
Roland
-- 
R.F.Smith                                   http://www.xs4all.nl/~rsmith/
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