[root@kbn ~]$ ls -al test*
test1:
total 12
drwxr-xr-x   3 root root 4096 Jul 27 12:22 .
dr-xr-x---. 10 root root 4096 Jul 27 12:22 ..
drwxr-xr-x   2 root root 4096 Jul 27 12:22 folder_exist

test2:
total 16
drwxr-xr-x   4 root root 4096 Jul 27 12:22 .
dr-xr-x---. 10 root root 4096 Jul 27 12:22 ..
drwxr-xr-x   2 root root 4096 Jul 27 12:22 folder_exist
drwxr-xr-x   2 root root 4096 Jul 27 12:22 foler_NOT_EXIST
[root@kbn ~]$
[root@kbn ~]$
[root@kbn ~]$ rsync -av --delete --exclude=/foler_NOT_EXIST/ test
test1/ test2/
[root@kbn ~]$ rsync -av --delete --exclude=/foler_NOT_EXIST/ test1/ test2/
sending incremental file list
./
folder_exist/

sent 57 bytes  received 19 bytes  152.00 bytes/sec
total size is 0  speedup is 0.00
[root@kbn ~]$ ls -al test*
test1:
total 12
drwxr-xr-x   3 root root 4096 Jul 27 12:22 .
dr-xr-x---. 10 root root 4096 Jul 27 12:22 ..
drwxr-xr-x   2 root root 4096 Jul 27 12:22 folder_exist

test2:
total 16
drwxr-xr-x   4 root root 4096 Jul 27 12:22 .
dr-xr-x---. 10 root root 4096 Jul 27 12:22 ..
drwxr-xr-x   2 root root 4096 Jul 27 12:22 folder_exist
drwxr-xr-x   2 root root 4096 Jul 27 12:22 foler_NOT_EXIST
[root@kbn ~]$