Sudden File System Corruption

[Mike Dacre]

Hey Guys,

Here is the repair log from right after the corruption happened.  The
repair was successful.

-Mike


On Fri, Dec 6, 2013 at 2:56 PM, Ben Myers <bpm at sgi.com> wrote:

> Hey Mike,
>
> On Thu, Dec 05, 2013 at 04:40:46PM -0800, Mike Dacre wrote:
> > On Thu, Dec 5, 2013 at 4:23 PM, Ben Myers <bpm at sgi.com> wrote:
> > > On Thu, Dec 05, 2013 at 04:06:27PM -0800, Mike Dacre wrote:
> > > > I sent you the output of the xfs_repair command, and also the
> logprint,
> > > but
> > > > I couldn't get a metadump as the filesystem is mounted.  I can't
> unmount
> > > > the file system, it is too important.  Sorry.
> > > >
> > > > The logprint is in a tar archive at
> > > > ftp://shell.sgi.com/receive/mike_dacre/mike-xfs-files.tar.bz2
> > >
> > > Thanks for the info.  Could you clarify a couple things for me so that
> I
> > > know
> > > what I'm looking at?
> > >
> > > 1) How did you create the logprint file?  Was the filesystem mounted at
> > > the time?
> > >
> >
> > The filesystem was mounted, I created it with this command: `xfs_logprint
> > -C xfs_logdump.txt /dev/sda1`
>
> Oh, ok.  The logprint I'm looking for would have to be taken immediately
> after
> the forced shutdown.  Sorry for the confusion.
>
> > > 2) Is the xfs_repair.log you sent the output of the very first run of
> > > xfs_repair?  Or, is it the output from a second incident?  Was the
> > > filesystem
> > > mounted at the time?
> > >
> >
> > That is from the first run of xfs_repair, after the filesystem corrupted.
> >  I ran it with the filesystem unmounted.
>
> It's great that you have this.  And an interesting repair log.  The good
> news
> is that it doesn't look like the corruption that xfs_repair doesn't fix,
> the
> bad news is that I don't recognise it.  If you wouldn't mind posting the
> repair
> log to the list, I think that would help.  At least it would get some more
> eyes
> on it.
>
> Thanks much,
>        Ben
>
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