Package: backuppc
Version: 2.1.2-4
Severity: normal
Hi,
using the supplied config.pl and localhost.pl does not result in proper
incremental backups (they are not really incremental) because of the
following error message from tar:
Running: /usr/bin/env LC_ALL=C /bin/tar -c -v -f - -C /etc --totals
--newer=2006-05-18\ 01:50:22 .
Xfer PIDs are now 8161,8160
/bin/tar: Substituting 1901-12-13 21:45:52 for unknown date format
`2006-05-18\\ 01:50:22'
This is caused by the additional escaping needed for remote backups (via
ssh, as configured in the default config.pl).
Since localhost.pl overwrites $Conf{TarClientCmd} to run locally, the
same should be done with $Conf{TarFullArgs} and $Conf{TarIncrArgs}.
I fixed this locally by adding the following lines to localhost.pl:
# remove extra shell escapes ($fileList+ etc.) that are
# needed for remote backups but may break local ones
$Conf{TarFullArgs} = '$fileList';
$Conf{TarIncrArgs} = '--newer=$incrDate $fileList';
BTW, the incremental backups created with $Conf{XferMethod} = 'tar' are
not timezone safe, i.e. if server and client use different timezone
values, the start time for the incremental backup requested by the
server is in the server's local timezone (without specifying it)
but the client will interpret it as if it were in it's local timezone.
Best would be to use an UTC timestamp for the --newer=... parameter.
Andreas
-- System Information:
Debian Release: testing/unstable
APT prefers testing
APT policy: (900, 'testing'), (900, 'stable'), (600, 'unstable')
Architecture: i386 (i686)
Shell: /bin/sh linked to /bin/bash
Kernel: Linux 2.6.16-1-k7
Locale: LANG=C, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Versions of packages backuppc depends on:
ii adduser 3.87 Add and remove users and groups
ii apache 1.3.34-2 versatile, high-performance HTTP s
ii apache-ssl 1.3.34-2 versatile, high-performance HTTP s
ii apache2-mpm-prefork [apache 2.0.55-4 traditional model for Apache2
ii debconf [debconf-2.0] 1.5.1 Debian configuration management sy
ii dpkg 1.13.19 package maintenance system for Deb
ii exim4 4.44-2 metapackage to ease exim MTA (v4)
ii exim4-daemon-heavy [mail-tr 4.44-2 exim MTA (v4) daemon with extended
ii libarchive-zip-perl 1.16-1 Module for manipulation of ZIP arc
ii libcompress-zlib-perl 1.41-1 Perl module for creation and manip
ii perl [libdigest-md5-perl] 5.8.8-4 Larry Wall's Practical Extraction
ii perl-suid 5.8.8-4 Runs setuid Perl scripts
ii samba-common 3.0.22-1 Samba common files used by both th
ii smbclient 3.0.22-1 a LanManager-like simple client fo
ii tar 1.15.1dfsg-3 GNU tar
ii wwwconfig-common 0.0.45 Debian web auto configuration
backuppc recommends no packages.
-- debconf information:
* backuppc/configuration-note:
* backuppc/add-lines: true
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