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Re: [rdiff-backup-users] Missing files from backup
From: |
Mike Fleetwood |
Subject: |
Re: [rdiff-backup-users] Missing files from backup |
Date: |
Thu, 29 May 2014 21:21:16 +0100 |
On 29 May 2014 17:14, Thomas Witzel <address@hidden> wrote:
>
> Hello,
>
> I hope this is not duplicate from a previous issue, but I couldn't find my
> exact scenario.
>
> I'm using rdiff-backup 1.2.8 on an unbuntu machine and everything is working
> great except that for one of my nightly backups 43 of 9101 files are always
> missing. If there was no changes my statistics looks like this:
>
>
> StartTime 1401379711.00 (Thu May 29 12:08:31 2014)
> EndTime 1401379724.83 (Thu May 29 12:08:44 2014)
> ElapsedTime 13.83 (13.83 seconds)
> SourceFiles 9101
> SourceFileSize 335423184 (320 MB)
> MirrorFiles 9101
> MirrorFileSize 335423184 (320 MB)
> NewFiles 0
> NewFileSize 0 (0 bytes)
> DeletedFiles 0
> DeletedFileSize 0 (0 bytes)
> ChangedFiles 43
> ChangedSourceSize 0 (0 bytes)
> ChangedMirrorSize 0 (0 bytes)
> IncrementFiles 43
> IncrementFileSize 0 (0 bytes)
> TotalDestinationSizeChange 0 (0 bytes)
> Errors 0
>
> So there is always 43 IncrementFiles, but those files are missing from the
> backup and for those 43 files I get messages lile this:
>
> UpdateError xxx.txt Updated mirror temp file /xxxx/rdiff-backup.tmp.77 does
> not match source
>
> I have no idea what mismatch this is referring too. I can manually copy the
> source to rdiff-backup.tmp.77 and with no tools at my disposal can I find a
> difference. I also can't see whats different about those 43 files from the
> other 9000, they are all very similar with similar names. Of the 43 affected
> files the most recent change occured 9 months ago in one of them, so its not
> that they changed during the backup. How do I go about debugging this ?
>
> Thank you,
> Thomas Witzel
Hi Thomas,
Try temporarily applying the attached patch and running rdiff-backup
with -v 7 or greater. It will log why rdiff-backup decided the file
changed during the backup.
Thanks,
Mike
rdiff-backup-debug-causes-of-update-error-d2.patch
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