For the record, it appears to be the case that the corruption is specific to
the one client. I tested a tar for another Windows 7 machine that's backed
up via smb, and it was fine. Any thoughts?
2010/11/4 Frank J. Gómez <[email protected]>
> Aha! I'm not insane!
>
> The original tar has the problem. To test it, I became the backuppc user
> and ran:
>
>> /usr/share/backuppc/bin/BackupPC_tarCreate -t -h 62z62l1 -n -1 -s \* . >
>> /tmp/test.tar
>
>
> I then moved the tar over to my laptop (didn't want to expand the tar on
> the server) and checked the md5sum to make sure the file on my laptop
> matched that on my server. To extract the archive, I used:
>
>> tar -xvf test.tar
>
> so that I could see the output. I get a huge list of files with this error
> at the end: tar: "Exiting with failure status due to previous errors"
>
> Scrolling through the list of extracted files I find these errors (there
> may be others):
>
>> ./win7home/AppData/Local/Temp/Low/Windows Live Toolbar/
>
> tar: Skipping to next header
>
> ./win7home/AppData/Local/Temp/fontconfig/cache/
>
> and
>
>> ./win7home/AppData/Local/Temp/Temporary Internet
>> Files/Content.IE5/J3ASB6W8/
>
> tar: Skipping to next header
>
> ./win7home/AppData/LocalLow/Adobe/
>
> and
>
>> ./win7home/AppData/LocalLow/Sun/Java/Deployment/cache/6.0/9/
>
> tar: Skipping to next header
>
> ./win7home/AppData/LocalLow/Sun/Java/Deployment/cache/6.0/host/
>
>
> The backup method for this particular machine is smb. I have tried the
> same on another host which is backed up via rsync, and the tar was perfectly
> normal. I'll test another machine that's backed up via smb to try to
> determine whether the problem is specific to the machine or the method used.
> Unfortunately, all of the machines backed up via smb are Windows 7
> machines, so if the problem is related to specific files (or filenames), my
> second test machine is likely to have the same culpable files.
>
> In the meantime, I guess I'll put in an exclude to skip the
> AppData/Local/Temp folder. No need to archive temporary files!
> -Frank
>
> On Wed, Nov 3, 2010 at 1:48 AM, Craig Barratt <
> [email protected]> wrote:
>
>> Frank,
>>
>> > Anyway, I thought I had it all figured out, but when I decrypt, gunzip,
>> and untar the resulting file, I get some "tar: Skipping to next header"
>> messages in the output, and, although I do get some files out of the
>> archive, eventually tar just hangs.
>>
>> Does the original tar archive (prior to gzip and encrypt) work correctly?
>>
>> Craig
>>
>
>
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