|
From: | Echo Nolan |
Subject: | Re: [Duplicity-talk] Problems with "librsync error 103 while in patch cycle" |
Date: | Sun, 3 Nov 2013 11:02:59 -0800 |
> It seemed like the same problem, and oh look, someone has already committed a patch allowing me to continue restoring a backup containing broken files (https://code.launchpad.net/~mterry/duplicity/catch-seq-copy-error/+merge/186106 <https://code.launchpad.net/%7Emterry/duplicity/catch-seq-copy-error/+merge/186106>). So I grabbed duplicity from bzr (bzr branch lp:duplicity) and built it. Trying with that version gives a different error however:On 03.11.2013 07:08, Echo Nolan wrote:
> Hi All.
>
> I'm trying to restore a backup. Here's what happens with the version of duplicity shipping with Ubuntu 13.10 (0.6.21):
>
> address@hidden:~$ rm -r restore && duplicity file://enolan-desktop-backup restore/
> Local and Remote metadata are synchronized, no sync needed.
> Last full backup date: Sun Jan 15 08:05:07 2012
> GnuPG passphrase:
> python: ERROR: (rs_tube_catchup) reached end of file while copying literal data through buffers
> python: ERROR: (rs_job_complete) patch job failed: unexpected end of input
> Traceback (most recent call last):
> File "/usr/bin/duplicity", line 1411, in <module>
> with_tempdir(main)
> File "/usr/bin/duplicity", line 1404, in with_tempdir
> fn()
> File "/usr/bin/duplicity", line 1338, in main
> restore(col_stats)
> File "/usr/bin/duplicity", line 632, in restore
> restore_get_patched_rop_iter(col_stats)):
> File "/usr/lib/python2.7/dist-packages/duplicity/patchdir.py", line 526, in Write_ROPaths
> for ropath in rop_iter:
> File "/usr/lib/python2.7/dist-packages/duplicity/patchdir.py", line 499, in integrate_patch_iters
> final_ropath = patch_seq2ropath( normalize_ps( patch_seq ) )
> File "/usr/lib/python2.7/dist-packages/duplicity/patchdir.py", line 479, in patch_seq2ropath
> misc.copyfileobj( current_file, tempfp )
> File "/usr/lib/python2.7/dist-packages/duplicity/misc.py", line 166, in copyfileobj
> buf = infp.read(blocksize)
> File "/usr/lib/python2.7/dist-packages/duplicity/librsync.py", line 80, in read
> self._add_to_outbuf_once()
> File "/usr/lib/python2.7/dist-packages/duplicity/librsync.py", line 94, in _add_to_outbuf_once
> raise librsyncError(str(e))
> librsyncError: librsync error 103 while in patch cycle
>
> I googled, and found this ticket in Ubuntu's bugtracker: https://bugs.launchpad.net/duplicity/+bug/662442
>
>> Can any of you help me out? This is my only copy of several important files..
> address@hidden:~/duplicity$ bin/duplicity file://../enolan-desktop-backup ../restore
> Import of duplicity.backends.dpbxbackend Failed: No module named dropbox
> Local and Remote metadata are synchronized, no sync needed.
> Last full backup date: Sun Jan 15 08:05:07 2012
> GnuPG passphrase:
> python: ERROR: (rs_tube_catchup) reached end of file while copying literal data through buffers
> python: ERROR: (rs_job_complete) patch job failed: unexpected end of input
> Traceback (most recent call last):
> File "bin/duplicity", line 1466, in <module>
> with_tempdir(main)
> File "bin/duplicity", line 1459, in with_tempdir
> fn()
> File "bin/duplicity", line 1393, in main
> restore(col_stats)
> File "bin/duplicity", line 687, in restore
> restore_get_patched_rop_iter(col_stats)):
> File "/home/enolan/duplicity/duplicity/patchdir.py", line 535, in Write_ROPaths
> for ropath in rop_iter:
> File "/home/enolan/duplicity/duplicity/patchdir.py", line 507, in integrate_patch_iters
> filename = patch_seq[-1].get_ropath().get_relative_path()
> AttributeError: 'NoneType' object has no attribute 'get_ropath'
>
>
Echo,
currently rsync errors or others restore errors break restoring. the usual workaround is, assuming you have a full/incr backup chain, to restore a time before the broken volumes.
1. try listing your backup chains and save the output.
2. then run your restore as before but with '-v9' maximum verbosity. check which volume breaks the restore. it should be mentioned right above the error stack. interpret it's time value in the file name.
3. now try restoring giving a time before the time value you retrieved in step 2.
Mike: you tackled this before. could you catch his error higher up? we probably need to log a warning that this file will not be restored too.
..ede/duply.net
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