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[rdiff-backup-users] Re: Backup not identifying changed file, even thoug
From: |
Remy Blank |
Subject: |
[rdiff-backup-users] Re: Backup not identifying changed file, even though hash is different |
Date: |
Wed, 23 Mar 2011 19:42:28 +0100 |
User-agent: |
Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.1.23) Gecko/20100305 Thunderbird/2.0.0.23 Mnenhy/0.7.5.0 |
Scott Jilek wrote:
> How does Rdiff identify changes that trigger backup? I know the file
> times/file size will not change since it's a fixed size 1GB container
> and Truecrypt purposely doesn't update file timestamps, but the hash
> will change as the contents will change.
That's the problem, rdiff-backup uses the file size and mtime. Both of
which don't change here. The same happens when you open Microsoft Excel
files without saving them: the content changes, but Excel resets the
mtime back to the old value.
> Is there any way to force Rdiff to use a hash compare for difference
> triggering?
No, there isn't. I asked for exactly this a few weeks ago and didn't get
a reply.
-- Remy
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