Strange behaviour with rsync and mounted truecrypt volume

[Matt McCutchen]

On Sat, 2009-01-31 at 02:18 +0100, Oliver wrote:
> when i mount a truecrpyt volume with truecrypt 5.1a and
> synchronize  data locally with rsync (version 2.6.9  protocol version 29) like this way:
> 
> $ truecrypt myvolume.tc
> $ rsync -av /home/oliver/myfolder /media/truecrypt
> 
> The myfolder is copied to /media/truecrypt like it should.
> But when i dismount the truecrypt volume
> and mount it again:
> 
> $ truecrypt -d /media/truecrypt
> $ truecrypt myvolume.tc
> 
> And use the same rsync option on the unchanged myfolder again:
> $ rsync -av /home/oliver/myfolder /media/truecrypt
> 
> rsync copies ALL files all over again a second time.
> Even when all files should be allready in sync, because the data in the /home/oliver/myfolder folder was never changed.

Please see http://rsync.samba.org/FAQ.html#2 .

-- 
Matt