Running several responders

Additional OCSP DataSources for publishers on the CA have to be added manually. The easiest way to do this on JBoss is to clone the initially deployed OCSP DataSource JBOSS_HOME/server/default/deploy/ocsp-ds.xml to JBOSS_HOME/server/default/deploy/ocsp2-ds.xml and change

<jndi-name>OcspDS</jndi-name>
<connection-url>jdbc:mysql://ocsp1.domain.org:3306/ejbca</connection-url>

to

<jndi-name>Ocsp2DS</jndi-name>
<connection-url>jdbc:mysql://ocsp2.domain.org:3306/ejbca</connection-url>

and configure an additional publisher to use this new DataSource 'java:/Ocsp2DS'.
An alternative approach for MySQL users is to use the tools for database replication. Either you could replicate CertificateData from you master EJBCA database to slave-responders or you could publish to a master OCSP responders database that in turn is replicated to the other responders. How to do it is described in the MySQL documentation. Depending on which which version you are using please read one of the following: