Failed rsync -- two different files considered up to date

Greger Cronquist greger_cronquist at
Tue Mar 30 06:29:34 GMT 2004

Thank you all!

After some further, rather ugly, investigation it turned out that the 
original files (we found three of them!) had been corrupted by Windows. 
A fact I'm going to but in my growing pile of arguments for switching to 
a real operating system, at least for our servers. With that out of the 
way, rsync performed flawlessly.


Wayne Davison wrote:

>On Mon, Mar 29, 2004 at 06:09:28PM +0200, Greger Cronquist wrote:
>>I've tried calling rsync with several different options, most notably -c 
>>for forcing checksum, but it fails to see a difference between the files.
>If -c failed to notice that the files are different, then either (1) the
>MD4 checksums accidentally match (rare, but not impossible), or (2) your
>double-check accidentally compared the wrong files.
>One way to force a resend is to touch the source file and then use
>--whole-file to ensure that you get a complete re-copy without any
>accidental block matches.

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