error:ora-01033: Oracle initialization or shutdown in progress after data guard switchover.
I have an 11.2.0.4 database in a 2 node RAC configuration. It is configured for Data Guard and we have successfully, in the past, switched over to the backup 2 node RAC configuration successfully and back again to the primary 2 node RAC configuration, again successfully. The database was originally created without the XDB feature/component. There has since been a business need to add this feature/component. This was installed successfully on the primary database including the creation of the xdb tablespace, running the catqm.sql script, adding the dispatchers parameter statement in the pfile for both instances - instance1.dispatchers=”(protocol=TCP) service=instance1xdb)” and