rsync fails to sync files

[Charles Marcus]

>> You need to supply the --checksum option if you want to make sure
>> that the contents are indeed identical. This is normally not done
>> as that would cause a massive IO load; cases that size and
>> timestamp are identical but not the contents don't usually
>> happen...

> The manual is indeed not very clear about the subject:
> 
> """ The rsync remote-update protocol allows rsync to transfer just
> the dif- ferences between two sets of files across the network
> connection, using an efficient checksum-search algorithm described in
> the technical report that accompanies this package. """
> 
> Forgets to say that "efficient checksum-search algorithm" is not
> enabled by default *doh*.
> 
> Anyway, thanks for help - using --checksum works, although it's quite
> slow.

Maybe there is a way to tell rsync to only checksum the file(s) that are 
a problem, since, as Paul pointed out:

> cases that size and timestamp are identical but not the contents
> don't usually happen...

-- 

Best regards,

Charles