-|`nodes/<NAME>/lxc/<VMID>.conf` | VM configuration data for LXC containers
-|`firewall/cluster.fw` | Firewall configuration applied to all nodes
-|`firewall/<NAME>.fw` | Firewall configuration for individual nodes
-|`firewall/<VMID>.fw` | Firewall configuration for VMs and Containers
+|`priv/authkey.key` | Private key used by ticket system
+|`priv/authorized_keys` | SSH keys of cluster members for authentication
+|`priv/ceph*` | Ceph authentication keys and associated capabilities
+|`priv/known_hosts` | SSH keys of the cluster members for verification
+|`priv/lock/*` | Lock files used by various services to ensure safe cluster-wide operations
+|`priv/pve-root-ca.key` | Private key of cluster CA
+|`priv/shadow.cfg` | Shadow password file for PVE Realm users
+|`priv/storage/<STORAGE-ID>.pw` | Contains the password of a storage in plain text
+|`priv/tfa.cfg` | Base64-encoded two-factor authentication configuration
+|`priv/token.cfg` | API token secrets of all tokens
+|`pve-root-ca.pem` | Public certificate of cluster CA
+|`pve-www.key` | Private key used for generating CSRF tokens
+|`sdn/*` | Shared configuration files for Software Defined Networking (SDN)
+|`status.cfg` | {pve} external metrics server configuration
+|`storage.cfg` | {pve} storage configuration
+|`user.cfg` | {pve} access control configuration (users/groups/...)
+|`virtual-guest/cpu-models.conf` | For storing custom CPU models
+|`vzdump.cron` | Cluster-wide vzdump backup-job schedule