> AFAIK, by default VCS doesn't understand the underlying applications... so
> I'd think it would be safe to do (thus one cluster node could be running
> different applications from another... doing the application level
> clustering
> requires end user work/config).

> It is certainly *possible* to add a new Type and then resource to VCS
> while online.  However, it's not necessarily trivial.  Are you just
> adding a new instance (resource) of an existing agent, or are you adding
> an entirely new agent (Type) to the cluster?

> In many cases it's easier to shut down the cluster (not the running
> applications), then restart with a modified main.cf.

> But you wouldn't want to do either one on a production cluster without
> testing or knowing what you were doing.  Understand how it works, test
> it, then put it in place.

> --
> Darren