Rsync Do I have the setup right

I am trying to use rsync to backup my ununtu server. It’s headless. Do you think this will make a good backup. Have I missed anything?

sudo rsync -raAXv / --delete --exclude={“/dev/“,”/proc/”,“/sys/“,”/tmp/”,“/home/mike/mnt*”,“/run/“,”/mnt/”,“/media/*”,“/lost+found”} server@192.168.1.138:/volume1/NetBackup/littleubuntu

Thanks