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Network Load Balance with three windows 2003 BOX ???

Posted on 2006-05-03
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Last Modified: 2013-11-15
Hi Experts,

I have Windows Server 2003 Standard Edition running on two Dual Xeon Processors server (RAM 2GB)

I need to deploy a .net application running with Ms-SQL server on these two servers. And configure Network Load Balancing (NLB) on these two servers. (If needed I can add one more server to this setup)

This application is the corporate intranet and extranet which supported to media streaming too. This application shoulb be able to handle 500 to 1000 concurrent connections.

I’m clue less with the NLB , please explain me the best possible scenario to configure load balance on these servers.

Thanks !


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Question by:NetMaxtor
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LVL 57

Expert Comment

by:Pete Long
ID: 16603160
Stop! SQL is a statefull application - Microsoft recommends you DO NOT deploy it using an NLB cluster
You need an enterprise cluster (which wont run on 2003 Standard) and you will need some shared storage also
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Expert Comment

by:Pete Long
ID: 16603182
NLB just puts one IP address on an application thats in multiple places (like a web server farm) so users get their requests distributed evenly between different cluster nodes.

SQL needs to write stuff to memory and transaction logs etc - so a user making changes on server A those logs wouldnt be commited to the Database on Server B etc etc
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Author Comment

by:NetMaxtor
ID: 16603185
Thanks a lot Pete...

Do you want me to use Windows Enterprise ok I can do that.
Please be kind enough to explain me the best possible scenario for my requirement.
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LVL 57

Expert Comment

by:Pete Long
ID: 16603187
Of course if NOTHING gets written to the database (the information is static) then NLB WOULD be an option
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Expert Comment

by:Pete Long
ID: 16603193
In a true cluster you have multiple servers - running Server 2003 Enterprise
Thay all share some storage (usually a fiber channel SAN these days though ISCSI SAN is a cheaper option)
Then you configure a cluster from the CLuster manager in administrative tools
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Accepted Solution

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Pete Long earned 1000 total points
ID: 16603198
Start Cluster Administrator (Start, Programs, Administrative Tools, Cluster Administrator).
You'll see the Open Connection to Cluster dialog box. Under Action, select "Create new cluster" and click OK.
At the New Server Cluster Wizard welcome screen, click Next.
At the wizard page, enter the cluster's domain (the machine's local domain is selected by default) and a logical name for the cluster. The logical name isn't a virtual machine name but simply a name for the cluster. However, it must still be a valid NetBIOS name (15 characters maximum). Enter the required information and click Next.
You're then asked to select the first node that will be part of the new cluster. Select the current node (it's selected by default) and click Next.
Cluster Administrator will perform a check to ensure that the box that you selected as the first node is compatible with cluster functionality. After the check is finished, click Next.
At the next wizard page, you must provide an IP address that will be used to manage the entire cluster. Note that this is a new address, not the IP address of the new cluster node. Enter the address and click Next.
At the next wizard page, you need to enter information for the domain account under which the cluster service will run. The account must have local administrator privileges and will be granted additional rights after you've selected it. After you enter the account information, click Next.
Next, you'll see a summary of the information you've entered on the previous screens, which the Figure shows. Click Next to begin the cluster installation. Alternatively, if you want to view which drive has been selected as the quorum disk and, if necessary, change it to another disk or a majority node quorum, click Quorum. (By default, Cluster Administrator selects as the quorum drive the smallest NTFS drive greater than 50MB.)
After the cluster installation is finished, click Next, then click Finish.
http://www.windowsitpro.com/Article/ArticleID/44928/44928.html
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Author Comment

by:NetMaxtor
ID: 16603426
How would I plan the application installation?
Each server needs to install the application separately with MS-SQL data base or what ?

May be I don't have much idea about the cluster.. please explain me....
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Expert Comment

by:Pete Long
ID: 16603921
You need to install SQL on ALL the servers
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Author Comment

by:NetMaxtor
ID: 16603927
how these application share each other DB data.. replicate or something ?
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