Package: rsync
Version: 3.0.7-2
Severity: normal
Hi,
I make local partition backups using rsync, and rsync is the best!
I also run a filesystem meta-data script to validate the backup
partition against its original source.
Since I started using ext4 instead of ext3, the meta-data validation
step now fails because rsync truncates the time fraction to zero on the
destination filesystem.
Here is a simple typescript that illustrates the problem,
$ find srcd -printf '%y %04m %3n %6U %6G %10s %T@ %p\n'
d 0755 2 1001 1001 4096 1312323863.5645407420 srcd
f 0644 1 1001 1001 15 1312307519.8524697750 srcd/s-file
$ rsync -rlptgoDH -x --delete-before srcd/ ddir
$ find srcd -printf '%y %04m %3n %6U %6G %10s %T@ %p\n'
d 0755 2 1001 1001 4096 1312323863.5645407420 srcd
f 0644 1 1001 1001 15 1312307519.8524697750 srcd/s-file
$ find ddir -printf '%y %04m %3n %6U %6G %10s %T@ %p\n'
d 0755 2 1001 1001 4096 1312323863.0000000000 ddir
f 0644 1 1001 1001 15 1312307519.0000000000 ddir/s-file
$ diff -r srcd/ ddir/ ; echo $?
0
As one can see, the contents of srcd/ and ddir/ are identical, however, the
timestamps for all files in ddir/ have had their fractional part set to zero.
Thanks,
Jeffrey Sheinberg
-- System Information:
Debian Release: 6.0.2
APT prefers stable-updates
APT policy: (500, 'stable-updates'), (500, 'proposed-updates'), (500,
'stable')
Architecture: i386 (x86_64)
Kernel: Linux 2.6.38-bpo.2-amd64 (SMP w/2 CPU cores)
Locale: LANG=C, LC_CTYPE=C (charmap=ANSI_X3.4-1968)
Shell: /bin/sh linked to /bin/dash
Versions of packages rsync depends on:
ii base-files 6.0squeeze2 Debian base system miscellaneous f
ii libacl1 2.2.49-4 Access control list shared library
ii libc6 2.11.2-10 Embedded GNU C Library: Shared lib
ii libpopt0 1.16-1 lib for parsing cmdline parameters
ii lsb-base 3.2-23.2squeeze1 Linux Standard Base 3.2 init scrip
rsync recommends no packages.
Versions of packages rsync suggests:
ii openssh-client 1:5.5p1-6+squeeze1 secure shell (SSH) client, for sec
ii openssh-server 1:5.5p1-6+squeeze1 secure shell (SSH) server, for sec
-- no debconf information
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