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Websphere Application Server Network Deployment and Application server federaition

Posted on 2006-06-28
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Hi,
    My question is can we install a Network Deloyment V 5.0 on one box and Base v 5.0 on another box and after federating ,can we use the node on which Network Deployment was installed as a Separate node ? Where it itself acts like (Base)  in which we can install new app servers and deploy application on them . Or do we have to install even base on the node having Network deployment in order to install Appservers ? Just to save money........ Let me know.


Thanks.
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Question by:pavan_immadi
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by:yuseungkim
ID: 17004878
I can't understand your question.

But here is general description when you have WAS ND in one node and WAS (base) in other node.

If you install WAS ND on node A and install WAS on node B, Deployment manager ( which is responsible for administration and deployment across multiple WAS Application server in a CELL ) can't control/federate anything on WAS Application Server on node B.

Deployment manager in master node communicate/federate the other WAS application server via node agent and standard WAS do not have node agent.

Andy K.
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by:pavan_immadi
ID: 17006487
So you mean to say is that the Node A has to have Base version installed on it too, so that we can deploy Applications on it.
Is that what you mean to say ?

Or Let me make my question simple. If I Install Network Deployment in Node A , do I have to even install Base verrsion on Node A in order to Install new Appservers like server1 (default)  and deploy application ear files on them ?

I think my question is clear now.
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yuseungkim earned 750 total points
ID: 17006599
You don't need Base WAS in the same node where you already installed Network Deployment. You just can not get all features of WAS ND (Network deployment) feature on node where only WAS Base software installed.

If Node A has WAS ND and Node B has WAS (Base) and you do not need to install same application on both node, then you don't have reason to have WAS ND on Node B.

If you need to install same application on both node and one has WAS ND and the other has WAS, then you need domain/cell on each node and you have to deploy application on each domain/cell.
And you will not have high availability, dynamic scalable, centralized administration, load balancing, failover between two nodes.

You can have cluster in the Node where WAS ND is installed and within the cell on WAS ND Node, you can have in-memory replication, deploy application across multiple WAS Application server in the same cell. But in case of machine failure, you will not have failover across multiple nodes.

I hope this answer your question.

Andy K
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by:pavan_immadi
ID: 17009295

           Ok So I will have only WAS ND on Node A and WAS Base on Node B . As I have to deploy same application on both the nodes for hight availability I will just Federate the Node B with Node A, to form a Cell an in the Cell I will create a cluster and deploy an application on the Cluster. Am I correct ?
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by:yuseungkim
ID: 17011137
You can't federate anything on Node B where only WAS base installed from Node A where WAS ND installed. It is two separate configuration.

You are not getting high availability from two nodes if one node has WAS ND and the other node has WAD Base. You can't create cell across two nodes and since you can't create cell with two nodes, you can't create cluster.

Those two nodes are totally separated and independent.
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