Relax-and-Recover ReaR with Oracle Linux 9.0 backup system ?

Описание: not the database, i wanted to test if i can backup this linux system to an external hard drive.
format harddrive:
sudo rear format /dev/sdxx
edit config file:
sudo nano /etc/rear/local.conf :
OUTPUT=ISO (OR "USB" FOR NORMAL DATA FILE)
USB_DEVICE=/dev/sdxx
create backup:
sudo rear -v -d mkbackup
to recover it: boot from created .ISO File and backup the system