On Mon, Dec 15, 2014 at 10:41 AM, Niamh Holding <niamh at fullbore.co.uk> wrote: > Hello Elias, > > Monday, December 15, 2014, 4:13:20 PM, you wrote: > > EP> Sounds like it might be differences in precision of the timestamp. > > Could be, thoght the NAS box has the sending system as it's NTP server so > their times should be in sync. > > EP> Check out the `--modify-window` option. > > Doesn't seem to stop all the folders being listed even though nothing is > transferred. > > /usr/bin/rsync -av --modify-window=20 --no-whole-file --delete /music /NSA320-music/ What happens if you use --modify-window=3601 to allow up to an hour of difference? Your NAS may have windows-like behavior in terms of storing timestamps in local time and fudging them for DST. -- Les Mikesell lesmikesell at gmail.com