Robin Lee Powell wrote at about 12:06:24 -0800 on Thursday, December 9, 2010:
> On Thu, Dec 09, 2010 at 03:03:37PM -0500, Jeffrey J. Kosowsky wrote:
> > Robin Lee Powell wrote at about 11:20:26 -0800 on Thursday, December 9,
> > 2010:
> > > On Thu, Dec 09, 2010 at 09:53:25AM +0100, martin f krafft wrote:
> > > > also sprach Jeffrey J. Kosowsky <backuppc AT kosowsky DOT org>
> > [2010.11.17.0059 +0100]:
> > > > > I wrote two programs that might be helpful here:
> > > > > 1. BackupPC_digestVerify.pl
> > > > > If you use rsync with checksum caching then this program checks
> > the
> > > > > (uncompressed) contents of each pool file against the stored md4
> > > > > checksum. This should catch any bit errors in the pool. (Note
> > > > > though that I seem to recall that the checksum only gets stored
> > the
> > > > > second time a file in the pool is backed up so some pool files
> > may
> > > > > not have a checksum included - I may be wrong since it's been a
> > > > > while...)
> > > >
> > > > I did a test run of this tool and it took 12 days to run across the
> > > > pool. I cannot take the backup machine offline for so long. Is it
> > > > possible to run this while BackupPC runs in the background?
> > > >
> > > > > 2. BackupPC_fixLinks.pl
> > > > > This program scans through both the pool and pc trees to look for
> > > > > wrong, duplicate, or missing links. It can fix most errors.
> > > >
> > > > And this?
> > >
> > > I don't know about the first one, but BackupPC_fixLinks.pl can
> > > *definitely* be run while BackupPC runs.
> > >
> > > For serious corruption, you may want to grab the patch I posted a
> > > few days ago; it makes the run *much* slower, but on the plus side
> > > it will fix more errors.
> >
> > I would suggest instead using the version I posted last night...
> > It should be much faster though still slow and may avoid some
> > issues...
>
> Well, I meant that version *plus* my patch. :D
My version does what your patch posted a couple of days does only
faster & probably better (i.e. your version may miss some cases where
there are pool dups and unlinked pc files with multiple links).
> Will your new version catch the "this has multiple hard links but
> not into the pool" error I was seeing? (If so yay! and thank you!)
>
I don't know what error you are referring to. My version simple
extends to also test pc files with more than one link and fix them as
appropriate though I haven't test it.
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