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[rdiff-backup-users] compare: ignore ctime

From: Carsten Lorenz
Subject: [rdiff-backup-users] compare: ignore ctime
Date: Thu, 17 Nov 2005 11:24:03 +0100
User-agent: Mozilla Thunderbird 1.0.6 (Macintosh/20050716)

We are now using rdiff-backup on our debian fileserver without any real

Our daily backup of ca. 1.2TB starts at 1:00am and lasts for 43 hours.
As 43 hours are more than a day, this is our problem.

rdiff-backup detects half of the files (395041 files with 567GB) as
changed, but rdiff-backups "Increment FileSize" is only 5GB.
The only thing that has changed on most of this files is their ctime. So
rdiff-backup works fine and correct.

We don't know what changes the ctime. The files are shared trough
netatalk and samba. Maybe it's an indexing or searching of some Mac or
Win clients.

Since we have no clue what changes the ctime, we would like rdiff-backup
to ignore the ctime.
Before you add an option like --no-ctime-compare I would like to test if
it would work.

So I would ask you to tell me how to change rdiff-backup manually to
ignore the ctime.


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