Leave a long running process from ssh...

root@XXX4:~# nohup rsync -av --delete /home/xxxxxx.us/DATA/ root@192.168.0.9:/mnt/USB_2TB_DRIVE/Backups-XXXXXX/DATA/ &
[1] 6288
root@XXX4:~# nohup: ignoring input and appending output to 'nohup.out'

root@XXX4:~# 

"tail -f nohup.out" when you get back...