See below the known issues in PKI DB Appliance for Cryptographic Security Platform 1.4.

Rebooting a node removes it from the cluster (KCM-8050)

In clustered deployments, rebooting a PKI DB Appliance node removes it from the cluster. As a result, rebooted nodes must be re-added to the cluster, as described in Creating a PKI DB Appliance cluster.

Passphrase requested but not used (KCM-8057)

When Creating a PKI DB Appliance cluster, a passphrase is requested for joining nodes; however, this passphrase is not used in any subsequent operations.