Is this happening on network-mounted drives? One strange thing I've run into in the past is that on SMB-mounted filesystems, the timestamp is rounded off to a multiple of 2 seconds. It seems like that could cause this problem.
rsync has a --modify-window parameter to accommodate this. e.g. see here: http://www.goodjobsucking.com/?p=16 _________________________________________________ For list-related administrative tasks: http://lists.racket-lang.org/listinfo/dev