take a look at this blog:
http://blogs.sun.com/technical/entry/2_machine_cluster_setup_cli
Asleson, Ryan wrote:
>
> Hello,
>
> My company currently uses Weblogic 8.1 and we're considering moving to
> Glassfish. I'm charged with investigating Glassfish and its capabilities.
>
> Our current Weblogic production environment is clustered so that
> instances of Weblogic *running on different physical servers* are
> grouped together as clusters with memory replication enabled. I'm
> attempting to do the same for Glassfish.
>
> I have an instance of Glassfish on my local computer. I have it
> running and have been working in the admin console as well as using
> the CLI.
>
> I used the online admin console to make the domain cluster available.
> I was then able to create a cluster and add instances to the cluster.
> However, all of the instances in the cluster reside on my local
> machine, in fact they all live under
> ${glassfish.home}/nodeagents/${computer.name}/.
>
> I want to add server instances that are running *on a different
> physical machine* (namely, another developer's computer) to the
> cluster. I can't figure out how to do this from the online admin
> console, as it seems to only allow instances that are on the same
> physical computer.
>
> Can somebody tell me how to set up a cluster in which the instances in
> the cluster reside on a different computer? I'm sure it can be done,
> I'm just not sure how (and if it can't be done, then Glassfish is
> unusable for us).
>
> Thank you, and keep up the great work!!!
>
> -Ryan
>
>
>
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--
Peter Fabian
Sun Software
AIM/skype:fabianpetergabor
Sun corp IM:pf120168_at_sun.com