See below for the PKI DB Appliance infrastructure requirements.

Supported number of datacenters

PKI DB Appliance supports only single-datacenter deployments.

Supported platforms

PKI DB Appliance supports installation on VMware vSphere. 

Supported number of nodes

Cryptographic Security Platform Database Appliance installations support the following number of nodes.

Nodes

Data synchronization

Automatic failover

​1

(error) 

(error) 

2

(tick) 

(error) 

3

(tick) 

(tick) 

Considerations:

  • Even with three nodes and automatic failover, if the writer node goes down, there is a database outage lasting about 10 minutes until a new writer node is selected. 
  • Setting more than 3 nodes on a PKI DB Appliance cluster does not increase performance or scalability.