Re: [rdiff-backup-users] rdiff-backup 1.2.5 and Python 2.5.2 CRC Check error

[Brian C]

So, if no one has any thoughts on this CRC Check error, I'm going to
have to give up on rdiff-backup. Could someone suggest another way to do
automated remote backups? Thanks for any pointers.

Brian

Brian C wrote:
> Backup server (named 'tempe') cannot backup other server (named '1080amg'
> and at 192.168.1.35) because of lengthy Python 2.5 error (pasted below).
> Both servers run Debian Lenny. Thanks for any help. I have also seen
> python segfault in syslog on this server, and reported that here:
> http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=526029
> 
> Error:
> 
> tempe:/backup# /usr/bin/rdiff-backup --exclude /tmp --exclude /mnt
> --exclude /proc --exclude /dev --exclude /cdrom --exclude /sys
> 192.168.1.35::/ /backup/1080amg
> address@hidden's password:
> Previous backup seems to have failed, regressing destination now.
> Exception 'CRC check failed' raised of class '<type 'exceptions.IOError'>':
>   File "/var/lib/python-support/python2.5/rdiff_backup/robust.py", line
> 32, in check_common_error
>     try: return function(*args)
>   File "/var/lib/python-support/python2.5/rdiff_backup/restore.py", line
> 468, in get_fp
>     Rdiff.write_patched_fp(current_fp, delta_fp, new_fp)
>   File "/var/lib/python-support/python2.5/rdiff_backup/Rdiff.py", line 73,
> in write_patched_fp
>     rpath.copyfileobj(librsync.PatchedFile(basis_fp, delta_fp), out_fp)
>   File "/var/lib/python-support/python2.5/rdiff_backup/rpath.py", line 62,
> in copyfileobj
>     inbuf = inputfp.read(blocksize)
>   File "/var/lib/python-support/python2.5/rdiff_backup/librsync.py", line
> 77, in read
>     self._add_to_outbuf_once()
>   File "/var/lib/python-support/python2.5/rdiff_backup/librsync.py", line
> 86, in _add_to_outbuf_once
>     if not self.infile_eof: self._add_to_inbuf()
>   File "/var/lib/python-support/python2.5/rdiff_backup/librsync.py", line
> 96, in _add_to_inbuf
>     new_in = self.infile.read(blocksize)
>   File "/usr/lib/python2.5/gzip.py", line 227, in read
>     self._read(readsize)
>   File "/usr/lib/python2.5/gzip.py", line 292, in _read
>     self._read_eof()
>   File "/usr/lib/python2.5/gzip.py", line 311, in _read_eof
>     raise IOError, "CRC check failed"
> 
> Exception 'CRC check failed' raised of class '<type 'exceptions.IOError'>':
>   File "/var/lib/python-support/python2.5/rdiff_backup/Main.py", line 304,
> in error_check_Main
>     try: Main(arglist)
>   File "/var/lib/python-support/python2.5/rdiff_backup/Main.py", line 324,
> in Main
>     take_action(rps)
>   File "/var/lib/python-support/python2.5/rdiff_backup/Main.py", line 280,
> in take_action
>     elif action == "backup": Backup(rps[0], rps[1])
>   File "/var/lib/python-support/python2.5/rdiff_backup/Main.py", line 337,
> in Backup
>     backup_final_init(rpout)
>   File "/var/lib/python-support/python2.5/rdiff_backup/Main.py", line 497,
> in backup_final_init
>     checkdest_if_necessary(rpout)
>   File "/var/lib/python-support/python2.5/rdiff_backup/Main.py", line 905,
> in checkdest_if_necessary
>     dest_rp.conn.regress.Regress(dest_rp)
>   File "/var/lib/python-support/python2.5/rdiff_backup/regress.py", line
> 71, in Regress
>     for rf in iterate_meta_rfs(mirror_rp, inc_rpath): ITR(rf.index, rf)
>   File "/var/lib/python-support/python2.5/rdiff_backup/rorpiter.py", line
> 281, in __call__
>     last_branch.fast_process(*args)
>   File "/var/lib/python-support/python2.5/rdiff_backup/regress.py", line
> 268, in fast_process
>     if rf.metadata_rorp.isreg(): self.restore_orig_regfile(rf)
>   File "/var/lib/python-support/python2.5/rdiff_backup/regress.py", line
> 290, in restore_orig_regfile
>     tf.write_from_fileobj(rf.get_restore_fp())
>   File "/var/lib/python-support/python2.5/rdiff_backup/restore.py", line
> 488, in get_restore_fp
>     return robust.check_common_error(error_handler, get_fp)
>   File "/var/lib/python-support/python2.5/rdiff_backup/robust.py", line
> 32, in check_common_error
>     try: return function(*args)
>   File "/var/lib/python-support/python2.5/rdiff_backup/restore.py", line
> 468, in get_fp
>     Rdiff.write_patched_fp(current_fp, delta_fp, new_fp)
>   File "/var/lib/python-support/python2.5/rdiff_backup/Rdiff.py", line 73,
> in write_patched_fp
>     rpath.copyfileobj(librsync.PatchedFile(basis_fp, delta_fp), out_fp)
>   File "/var/lib/python-support/python2.5/rdiff_backup/rpath.py", line 62,
> in copyfileobj
>     inbuf = inputfp.read(blocksize)
>   File "/var/lib/python-support/python2.5/rdiff_backup/librsync.py", line
> 77, in read
>     self._add_to_outbuf_once()
>   File "/var/lib/python-support/python2.5/rdiff_backup/librsync.py", line
> 86, in _add_to_outbuf_once
>     if not self.infile_eof: self._add_to_inbuf()
>   File "/var/lib/python-support/python2.5/rdiff_backup/librsync.py", line
> 96, in _add_to_inbuf
>     new_in = self.infile.read(blocksize)
>   File "/usr/lib/python2.5/gzip.py", line 227, in read
>     self._read(readsize)
>   File "/usr/lib/python2.5/gzip.py", line 292, in _read
>     self._read_eof()
>   File "/usr/lib/python2.5/gzip.py", line 311, in _read_eof
>     raise IOError, "CRC check failed"
> 
> Traceback (most recent call last):
>   File "/usr/bin/rdiff-backup", line 30, in <module>
>     rdiff_backup.Main.error_check_Main(sys.argv[1:])
>   File "/var/lib/python-support/python2.5/rdiff_backup/Main.py", line 304,
> in error_check_Main
>     try: Main(arglist)
>   File "/var/lib/python-support/python2.5/rdiff_backup/Main.py", line 324,
> in Main
>     take_action(rps)
>   File "/var/lib/python-support/python2.5/rdiff_backup/Main.py", line 280,
> in take_action
>     elif action == "backup": Backup(rps[0], rps[1])
>   File "/var/lib/python-support/python2.5/rdiff_backup/Main.py", line 337,
> in Backup
>     backup_final_init(rpout)
>   File "/var/lib/python-support/python2.5/rdiff_backup/Main.py", line 497,
> in backup_final_init
>     checkdest_if_necessary(rpout)
>   File "/var/lib/python-support/python2.5/rdiff_backup/Main.py", line 905,
> in checkdest_if_necessary
>     dest_rp.conn.regress.Regress(dest_rp)
>   File "/var/lib/python-support/python2.5/rdiff_backup/regress.py", line
> 71, in Regress
>     for rf in iterate_meta_rfs(mirror_rp, inc_rpath): ITR(rf.index, rf)
>   File "/var/lib/python-support/python2.5/rdiff_backup/rorpiter.py", line
> 281, in __call__
>     last_branch.fast_process(*args)
>   File "/var/lib/python-support/python2.5/rdiff_backup/regress.py", line
> 268, in fast_process
>     if rf.metadata_rorp.isreg(): self.restore_orig_regfile(rf)
>   File "/var/lib/python-support/python2.5/rdiff_backup/regress.py", line
> 290, in restore_orig_regfile
>     tf.write_from_fileobj(rf.get_restore_fp())
>   File "/var/lib/python-support/python2.5/rdiff_backup/restore.py", line
> 488, in get_restore_fp
>     return robust.check_common_error(error_handler, get_fp)
>   File "/var/lib/python-support/python2.5/rdiff_backup/robust.py", line
> 32, in check_common_error
>     try: return function(*args)
>   File "/var/lib/python-support/python2.5/rdiff_backup/restore.py", line
> 468, in get_fp
>     Rdiff.write_patched_fp(current_fp, delta_fp, new_fp)
>   File "/var/lib/python-support/python2.5/rdiff_backup/Rdiff.py", line 73,
> in write_patched_fp
>     rpath.copyfileobj(librsync.PatchedFile(basis_fp, delta_fp), out_fp)
>   File "/var/lib/python-support/python2.5/rdiff_backup/rpath.py", line 62,
> in copyfileobj
>     inbuf = inputfp.read(blocksize)
>   File "/var/lib/python-support/python2.5/rdiff_backup/librsync.py", line
> 77, in read
>     self._add_to_outbuf_once()
>   File "/var/lib/python-support/python2.5/rdiff_backup/librsync.py", line
> 86, in _add_to_outbuf_once
>     if not self.infile_eof: self._add_to_inbuf()
>   File "/var/lib/python-support/python2.5/rdiff_backup/librsync.py", line
> 96, in _add_to_inbuf
>     new_in = self.infile.read(blocksize)
>   File "/usr/lib/python2.5/gzip.py", line 227, in read
>     self._read(readsize)
>   File "/usr/lib/python2.5/gzip.py", line 292, in _read
>     self._read_eof()
>   File "/usr/lib/python2.5/gzip.py", line 311, in _read_eof
>     raise IOError, "CRC check failed"
> IOError: CRC check failed
> Fatal Error: Lost connection to the remote system
> 
> On both servers:
> 
> # rdiff-backup -V
> rdiff-backup 1.2.5
> 
> # python -V
> Python 2.5.2
> 
> Any ideas?