[AutootuA]

Thanks for the reply. I'm still getting an error.

Running:

rsync -avzH /opt/zimbra root@192.168.78.17:/media/sda3/opt/zimbra

Gets:

root@192.168.78.17's password: 
building file list ... rsync: link_stat "//opt/zimbra" failed: No such file or directory (2)
done

sent 29 bytes  received 20 bytes  10.89 bytes/sec
total size is 0  speedup is 0.00
rsync error: some files could not be transferred (code 23) at main.c(892) [sender=2.6.8]