When you have Gridlink DS, you will see in the logs this debug message (of course if your log level is debug :o) )
<BEA-001556><Data Source ACME_ConfigDS for service o01osb_app.acme.com registering with ONS daemons using configuration string nodes=acme535:6200,acme536:6200,acme531:6200,acme532:6200,acme533:6200,acme534:6200
In our case, this would take 30 seconds for each DS, and make the restart of the cluster painfully slow.
Check that each individual node in the list, running ONS agent, is actually reachable (no firewall!). Check also that it's up and running.
<BEA-001556><Data Source ACME_ConfigDS for service o01osb_app.acme.com registering with ONS daemons using configuration string nodes=acme535:6200,acme536:6200,acme531:6200,acme532:6200,acme533:6200,acme534:6200
In our case, this would take 30 seconds for each DS, and make the restart of the cluster painfully slow.
Check that each individual node in the list, running ONS agent, is actually reachable (no firewall!). Check also that it's up and running.