[changed the topic]
> From: A mailing list for Enterprise JavaBeans development
> Reading the messages on clustering and fail-over is very interesting. One
> simple, or maybe not question, how do you test a clustered system to make
> sure fail over really works?
There are several techniques. From a developer's perspective, I have a
multi-homed machine, allowing me to run several nodes in the cluster on a
single machine. It makes it easier to debug (although you can also use
separate machines and resort to VNC or VMWare, but that's more awkward).
>From an automated (testing and QA) point of view, you can fire the cluster,
start the subsystems you want to test, kill some randomly chosen victims (VM
exit) and make sure the operations were carried out correctly (or that they
threw the right exceptions).
--
Cedric
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