On Thu, Dec 09, 2010 at 03:15:41PM -0500, Jeffrey J. Kosowsky wrote:
> 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).
I repeat my assertion that you are my hero. :)
-Robin
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