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JavaRanch » Java Forums » Products » BEA/Weblogic
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Author

Clustering

Venkatesan Ramalingam
Greenhorn

Joined: Feb 24, 2004
Posts: 6
Hi,

Is there any online document available with the steps involved in setting up a cluster environment in weblogic8.1?

Have a doubt in that.
Can we have a cluster setup without configuring Machine and NodeManager ? I mean, only admin and managed servers.

I need to setup a cluster ( 1 adminserver , 1 managed server at one box and 1 managed server in another box).

Pl guide me how to proceed further in configuring the cluster in weblogic.

Thanks.
Rajesh Rajaram
Ranch Hand

Joined: Aug 20, 2002
Posts: 63
Hi,

please check edocs.bea.com, thats the only place i know as of now.

let me it works for you.

regards

RR


Rajesh Rajaram
Joe Ess
Bartender

Joined: Oct 29, 2001
Posts: 8876
    
    8

The way I understand things, NodeManager is what does the communication between the admin and managed servers, so no, you can't create a domain (a cluster is a domain configured for failover/load balancing) without a NodeManager.
[ August 09, 2006: Message edited by: Joe Ess ]

"blabbing like a narcissistic fool with a superiority complex" ~ N.A.
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Venkatesan Ramalingam
Greenhorn

Joined: Feb 24, 2004
Posts: 6
Hi Joe,

[ The way I understand things, NodeManager is what does the communication between the admin and managed servers, so no, you can't create a domain (a cluster is a domain configured for failover/load balancing) without a NodeManager.]

------
Node Manager is a Java utility that runs as separate process from WebLogic Server and allows you to perform common operations tasks for a Managed Server, regardless of its location with respect to its Administration Server. While use of Node Manager is optional, it provides valuable benefits if your WebLogic Server environment hosts applications with high availability requirements.

If you run Node Manager on a machine that hosts Managed Servers, you can start and stop the Managed Servers remotely using the Administration Console or from the command line.
------

I sucessfully configured cluster and it works as it expected. But I didn't create node manager and machines. You still can configure a cluster with an admin server and 2 managed servers alone.

I have congifured Weblogic RDBMS event generator in the cluster domain. When I tested with 14 RDBMS events, they all equally processed ( 7 events each) in the 2 managed servers which is part of cluster.

Now when I shut down managed server1 and creating 14 rdbms events, the cluster is not processing the whole 14. What I expected was, all the 14 messages will get processed by managed server2. But its not happening. Only after bringing up the managed server1, it started consuming messages from RDBMS event generator. Any idea how to achieve the fail over behaviour in bea8.1 weblogic integration cluster domain??

Pl guide me.
 
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subject: Clustering