Package: backuppc
Version: 3.2.1-2
Severity: normal

Dear Maintainer,

there is a constant error in my backuppc backups. I think this is
because of the length of the relevant file name, which gets even
longer when escaped by backuppc and hits the 255 character limit of ext3fs.

The file in question is in the opera icon cache, it's called
data%3Aimage%2Fpng,%89PNG%0D%0A%1A%0A%00%00%00%0DIHDR%00%00%00%10%00%00%00%10%08%02%00%00%00%90%91h6%00%00%00%19IDAT(%91c%BCd%AB%C2%40%0A%60%22I%F5%A8%86Q%0DCJ%03%00%DE%B5%01S%07%88%8FG%00%00%00%00IEND%AEB%60%82

According to wc -m, that's 225 bytes long. 

backuppc reports:

Unable to open
/var/lib/backuppc/pc/localhost/new/f%2fhome/fmbelow/f.opera/ficons/fdata%253Aimage%252Fpng,%2589PNG%250D%250A%251A%250A%2500%2500%2500%250DIHDR%2500%2500%2500%2510%2500%2500%2500%2510%2508%2502%2500%2500%2500%2590%2591h6%2500%2500%2500%2519IDAT(%2591c%25BCd%25AB%25C2%2540%250A%2560%2522I%25F5%25A8%2586Q%250DCJ%2503%2500%25DE%25B5%2501S%2507%2588%258FG%2500%2500%2500%2500IEND%25AEB%2560%2582
for writing
Botch, no matches on
/var/lib/backuppc/pc/localhost/new/f%2fhome/fmbelow/f.opera/ficons/fdata%253Aimage%252Fpng,%2589PNG%250D%250A%251A%250A%2500%2500%2500%250DIHDR%2500%2500%2500%2510%2500%2500%2500%2510%2508%2502%2500%2500%2500%2590%2591h6%2500%2500%2500%2519IDAT(%2591c%25BCd%25AB%25C2%2540%250A%2560%2522I%25F5%25A8%2586Q%250DCJ%2503%2500%25DE%25B5%2501S%2507%2588%258FG%2500%2500%2500%2500IEND%25AEB%2560%2582
(72e2a83d50e324a05f04cceab2827ab1)

backuppc escapes each % as %25, according to wc -m the result is
327 characters.

In my case this doesn't really matter, the opera icon cache isn't
critical, but there seems to be a general problem with backuppc's
strategy of renaming files.  backuppc should be able to backup
long file names, up to the filesystem limits. Probably it needs to
store long critical filenames separately.

Here's a message from the backuppc-users list that helped me to
understand the problem:
http://www.mail-archive.com/backuppc-users@lists.sourceforge.net/msg19842.html

Cheers

Michael

-- System Information:
Debian Release: wheezy/sid
  APT prefers testing
  APT policy: (900, 'testing'), (500, 'stable-updates'), (500, 
'proposed-updates'), (500, 'stable'), (10, 'unstable')
Architecture: amd64 (x86_64)

Kernel: Linux 3.2.0-1-amd64 (SMP w/4 CPU cores)
Locale: LANG=de_DE.UTF-8, LC_CTYPE=de_DE.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash

Versions of packages backuppc depends on:
ii  adduser                                    3.113+nmu1
ii  apache2                                    2.2.22-1
ii  apache2-mpm-prefork [httpd]                2.2.22-1
ii  bzip2                                      1.0.6-1
ii  debconf [debconf-2.0]                      1.5.41
ii  dpkg                                       1.16.1.2
ii  exim4                                      4.77-1
ii  exim4-daemon-light [mail-transport-agent]  4.77-1+b1
ii  iputils-ping                               3:20101006-1+b1
ii  libarchive-zip-perl                        1.30-6
ii  libc6                                      2.13-26
ii  libcompress-zlib-perl                      2.037-1
ii  libtime-modules-perl                       2011.0517-1
ii  libwww-perl                                6.04-1
ii  perl [libdigest-md5-perl]                  5.14.2-7
ii  samba-common-bin                           2:3.6.3-1
ii  smbclient                                  2:3.6.3-1
ii  tar                                        1.26-4
ii  ucf                                        3.0025+nmu2

Versions of packages backuppc recommends:
ii  libfile-rsyncp-perl          0.68-1.1+b3
ii  libio-dirent-perl            0.04-2+b3
ii  openssh-client [ssh-client]  1:5.9p1-2
ii  rrdtool                      1.4.7-1
ii  rsync                        3.0.9-1

Versions of packages backuppc suggests:
ii  chimera2 [www-browser]          2.0a19-6
ii  chromium [www-browser]          17.0.963.56~r121963-1
ii  epiphany-browser [www-browser]  3.2.1-2
ii  iceweasel [www-browser]         10.0.2-1
ii  konqueror [www-browser]         4:4.6.5-1
ii  links2 [www-browser]            2.5-1
ii  lynx-cur [www-browser]          2.8.8dev.9-3
ii  midori [www-browser]            0.4.3-1
ii  netrik [www-browser]            1.16.1-1
ii  netsurf-gtk [www-browser]       2.8-2
ii  opera [www-browser]             11.61.1250
ii  par2                            0.4-11
ii  w3m [www-browser]               0.5.3-5

-- Configuration Files:
/etc/backuppc/config.pl [Errno 13] Keine Berechtigung: 
u'/etc/backuppc/config.pl'
/etc/backuppc/hosts [Errno 13] Keine Berechtigung: u'/etc/backuppc/hosts'
/etc/backuppc/localhost.pl [Errno 13] Keine Berechtigung: 
u'/etc/backuppc/localhost.pl'

-- debconf information:
  backuppc/restart-webserver: true
* backuppc/configuration-note:
* backuppc/reconfigure-webserver: apache2



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