Should the Weblogic machines be created on each physical server?

Hi,

In order to have a cluster configuration, should the Weblogic machines be created on all physical servers involved in the cluster?

Thank and Regards.

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Its not absolutely necessary I think. You can also use a common mount point if the servers are in a RAC. In this case , you only need to install weblogic at a common location and configure your managed servers with different ports. In this case , you also need to run two (n) instances of nodemanager with different listener ports.

If its two physical servers not having any common mount point / shared storage , in that case - you will have to install on both the machines.

Thanks,

Hi,

Thanks.
Maybe to clear up some my confusions, I extend my question:
If I well understand, there should be one machine per physical sever. Correct?
When creating a machine, what should be the Listen Address and the Listen Port?
Should the IP address be explicitly the IP address of the physical server on which the machine is created or the hostname of the physical server (for instance localhost)?
What id the machine is created in one server, but it s meant for a remote physical server?
Should the Listen Port be the port on which the Node Manager listens or not?

Thanks and Regards.

If I well understand, there should be one machine per physical sever. Correct?
Yes

When creating a machine, what should be the Listen Address and the Listen Port?
It shud refer to IP and port of your remote server

Should the IP address be explicitly the IP address of the physical server on which the machine is created or the hostname of the physical server (for instance localhost)?
Hostname/IP address

What id the machine is created in one server, but it s meant for a remote physical server?
You create machine in Weblogic Server Console running on say Physical Server 1, you need to specify IP & Port of remote server which will be running the actual service.

Should the Listen Port be the port on which the Node Manager listens or not?
No, it shud be different.

Refer: - http://middlewaremagic.com/weblogic/?p=971

Hi,

Thnaks for these explanations.

So, the port on which of any machine (either remote or not) listens should be different from the one of tHe Node Manager, correct?

About: Should the IP address be explicitly the IP address of the physical server on which the machine is created or the hostname of the physical server (for instance localhost)?
answer: Hostname/IP address

I have tried to create a machine (on the local host server) using the hostname value in /etc/hosts (instead of localhost value).
But then if I start the Node Manager (on the local host server), it is not reachable. Even after restarting the Weblogic server.

What can be wrong?

Your nodemanager also needs to listen on the same Hostname/IP Address.

 

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