Should I backup /var/lib/cattle?

I see that rancher-server mounts a volume to /var/lib/cattle

root@6eda51cd4b5f:/var/lib/cattle# ls -l
total 16
drwxr-xr-x 4 root root 4096 Jun 8 06:19 DATA
-rw-r–r-- 1 root root 105 Jun 9 00:31 keys.properties
drwxr-xr-x 2 root root 4096 Jul 16 00:01 logs
drwxr-xr-x 2 root root 4096 Jun 9 00:31 machine-drivers

Do I need to backup these files for disaster recovery?

I already dump and backup the mysql databases.
Thanks