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    SubjectRe: FAQ updated (was Re: XFS breakage...)
    On 7/20/06, Nathan Scott <nathans@sgi.com> wrote:
    > On Wed, Jul 19, 2006 at 12:21:08PM +0200, Kasper Sandberg wrote:
    > > On Wed, 2006-07-19 at 08:57 +1000, Nathan Scott wrote:
    > > > On Wed, Jul 19, 2006 at 12:29:41AM +0200, Torsten Landschoff wrote:
    > > > >
    > > > > Jul 17 07:33:53 pulsar kernel: xfs_da_do_buf: bno 16777216
    > > > > Jul 17 07:33:53 pulsar kernel: dir: inode 54526538
    > > >
    > > > I suspect you had some residual directory corruption from using the
    > > > 2.6.17 XFS (which is known to have a lurking dir2 corruption issue,
    > > > fixed in the latest -stable point release).
    >
    > Correction there - no -stable exists with this yet, I guess that'll
    > be 2.6.17.7 once its out though.
    >
    > > what action do you suggest i do now?
    >
    > I've captured the state of this issue here, with options and ways
    > to correct the problem:
    > http://oss.sgi.com/projects/xfs/faq.html#dir2
    >
    > Hope this helps.

    I actually tried the xfs_db method to fix my / filesystem (as you had
    outlined in http://marc.theaimsgroup.com/?l=linux-kernel&m=115070320401919&w=2),
    and while it's quite possible that I screwed it up, after a subsequent
    xfs_repair run (which completed successfully and moved lots of stuff
    to /lost+found, as I would expect), the XFS code had serious problems
    with various parts of my filesystem (like "ls /lost+found", which
    would cause lots of errors to be logged, although not a complete fs
    shutdown). After another run through xfs_repair resulted in a
    filesystem that would no longer even successfully boot.

    Unfortunately it was a mostly-full 74GB big-/ partition on my primary
    machine (a laptop), so I don't have a dump of it for you and my report
    is probably pretty useless. :( But on the bright side, virtually all
    of the filesystem was otherwise intact and I was able to get all my
    data off before rebuilding my system.

    --
    Kevin 'radsaq' Radloff
    radsaq@gmail.com
    http://thesaq.com/
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