Managed servers on multiple platforms?

Hi,
I was wondering if all of my managed servers in a Weblogic domain have to be running on the same platform. For example, can I mix Solaris/SPARC and Linux/x86 boxes within the same domain such that some remote managed servers in the domain are different? In the WL documentation, it mentions that all WLS instances in a domain must be running the same version of WLS itself, but it doesn't mention the underlying OS or hardware. I'm assuming that since everything is running in a JDK, it's OK to do, especially since I'm using a generic WLS installer for UNIX platforms.
Install WebLogic Server on the machines on which you want to host Managed Servers for the WebLogic domain.
Note:
All WebLogic Server instances within a WebLogic domain must run the same version of the WebLogic Server software.
Thanks in advance for your help.

Hi Kent,
It should work fine.
This kind of mixes are generally not recommended in order to avoid conflicts due to packages specific for each OS, but should not be the case of the generic installer.
The generic installer is truly generic to all OS platforms. Note that you must comply with the published supported platforms (OS, chip set, etc).
Sinice Java is platform independent, there is no distinction between a Java application running on Linux and the same application running on Windows. A Java application is the same and can be run on any OS bit version of any flavor without a single change.
At its root, WebLogic Server is a Java application, nothing more, nothing less. So, think of WebLogic Server as a Java application that is run like any other Java application by invoking the main method. In WebLogic Server the main method is in the weblogic.Server class. So, to start WebLogic Server we use the java command, the same as for any other Java application:
java <MEM_ARGS> -cp <CLASSPATH> <JAVA_OPTIONS> weblogic.Server
As mentioned in your post, make sure the JVM is the same (JVM mixtures in a cluster are not supported).
-Cris

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<Oct 18, 2002 7:59:22 AM PDT> <Error> <NodeManager> <Could not start server 'Bizarro'
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<?xml version="1.0" encoding="UTF-8"?>

<Domain Name="adminDomain">
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o=beasys.com" Name="defaultLDAPRealmForNetscapeDirectoryServer" Notes="This is
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parameters as appropriate for your environment." Password="{3DES}CqUY0ZB2q6DOFOH3DpKGnQ=="
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<ServerDebug Name="Bizarro"/>
<KernelDebug Name="Bizarro"/>
<Log Name="Bizarro"/>
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<ApplicationManager Name="adminDomain"/>
<CustomRealm ConfigurationData="server.host=ldapserver.example.com;membership.scope.depth=1;microsoft.membership.scope=sub;membership.filter=(|(&(memberobject=%M)(objectclass=memberof))(&(groupobject=%M)(objectclass=groupmemberof)));group.dn=ou=Groups,
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<NodeManager ListenAddress="192.168.0.97" Name="OakStage"/>
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<Log FileName="adminDomain.log" Name="adminDomain"/>
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Thanks guys
regards
syd

Can this be done when you set up your domain along with admin and managed servers the very first time ? Even if you set up a domain with bunch of managed servers why does the library still get installed on admin server??? Also, for the method you described dont we have to update targets for statup and shutdown classes and work managers?
Also, what is the other method to do it from the console?
METHOD 2 (Other than the one you described- Please tell me if this is correct method and if we need to go to till level)
Step1:
I went to deployments base_domain (in admin console) > deployments chose each library and changed targets manually and activate the changes
Step2
Go to Startup and shutdown classes and change targets there
Step 3
Go to work managers and change targets there.
Please let me know
Edited by: user9021545 on May 12, 2011 10:18 AM

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Node Manager starting managed servers under different users

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To diagnose problems with Thunderbird, try one of the following:
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to run a combined admin and managed server?
Thanks for any thoughts on this subject.

Thanks David. As God as my witness, the tech seriously told me that they all use the same JVM. Then I got seriously confused, like I was an idiot and didn't understand what a JVM was and I started second-guessing myself. The whole conversation was very strange and yes, there was definitely a language barrier and I'm guessing I just wasn't being clear enough...I don't know...all I know is I walked away from the phone call in worse shape then when I first opened the ticket.
At any rate, do you have recommendations for admin server ram? I know there are performance tuning tools to help us figure out the optimum settings for our managed server, and I plan on implementing them...but going back to the ram for the Admin server, versus managed server...is there a recommended way of specifying different heap size for the managed servers? Is the recommended way to set the the -Xms and -Xmx settings via the 'Arguments' field on Environment > Servers > serverName > Configuration > Server Start tab via the admin console?
Thanks again for your quick reply!
Cheers,
rlb

Cloning managed servers ....

Hi,
I have created a bam_server1 and soa_server1, managed servers to support BAM and SOA.
Now I want to clone bam_server1 to bam_server2. The clone operation in WLS admin console, is just creating a managed server template and not deploying all the applications/jdbc connections/jms,etc, which are part of bam_server1.
Is there a script which can deploy BAM or SOA to the newly created managed server, which are part of the same domain.
Thanks,
Sudhakar.

Sudhakar,
Are you trying to increase the capacity of the SOA infrastrcuture by adding additional servers? The ideal way of scaling out to multiple servers is to create a "cluster". We do not support multiple SOA servers that are not in a cluster within a single domain in 11gR1. A SOA 11gR1 domain can have either a single SOA server or a single SOA cluster.
You can create a domain with a SOA cluster using the domain configuration wizard. All applications and services (JDBC, JMS etc.) are automatically targeted to the cluster as part of the configuration process. Once you define a SOA cluster, you can add additional managed servers to the same from WLS console and all meta-data will be propagated to the new server.
Thanks,
Samrat

Managed servers on multiple platforms?

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