Why are files synced again and again when not using -a?

[Wayne Davison]

On Mon, Mar 30, 2009 at 02:13:49PM +0200, Andr? H?nsel wrote:
> usually I use rsync with -a but recently I used it without this option
> and discovered that the same files are synced over and over again (as
> shown by -v).

You should at least specify -t when not using -a.  See the -a option in
the manpage to see what options it implies.

..wayne..