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I have a SharePoint 2010 Enterprise farm with the following topology :-

2 WFE SERVER (behind NLB 1)
1 APP SERVER (used for Search)
1 APP SERVER (used for other service applications)

1 DB Cluster without DR.

I want to configure Reporting Services with SharePoint on a load balanced architecture as described here using a NLB :- http://technet.microsoft.com/en-us/library/cc281307(v=sql.100).aspx

My question is what should be the recommended architecture for a minimal deployment with failover capabilities for SSRS. My understanding tells me that there should be two additional servers added to the farm and made part of a second NLB. So essentially, the required logical architecture would look something like this :-

2 WFE SERVER (behind NLB 1)
1 APP SERVER (used for Search)
1 APP SERVER (used for other service applications)
2 WFE + RS SERVER with Reporting Services Addon Installed and SSRS installed (behind NLB 2)
1 DB Cluster without DR.(Hosting RS and SharePoint Databases)

Report Server is made to run on a DNS based hostname example -> http-reportserver and this points to NLB2. Additionally, hostheaders are updated on IIS in the individual Report Servers (WFE+RS) pointing to http-reportserver.

In SharePoint Central Administration , Reporting Services is integrated using the http->reportserver. I want to know is the above topology design correct or am I missing any step in this approach. Additionally, it will be helpful if I am provided with additional suggestions on this.

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1 Answer

You don't necessarily need the Report Servers to be WFEs they could just be Reporting App Servers. However, you would need to install the Reporting Services components on to the 2 WFEs behind NLB 1 though. Plus if you wanted to host reporting on a different web application then you would need to create a new web app as well.

See the following article on scaling out:- http://msdn.microsoft.com/en-us/library/hh479774.aspx

Something that I did notice in the article was that not all variants of SQL Server support scale out of Reporting Service, so check that out too.

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By reporting services components do you mean SharePoint Reporting Services Addin that gets installed when the prerequisite installer of SharePoint 2010 is executed during installation ? –  Arko D Feb 8 '13 at 13:31
    
Yes that was quite ambiguous, wasn' it. Yes so install the SharePoint Reporting Services Add-in. Btw are you installing Reporting Services 2012? –  Simon Doy Feb 8 '13 at 14:07
    
I am installing RS 2008 R2. So all in all , 2 WFE servers with Reporting services addins and 2 normal servers with RS Frontend without SHarePoint behind NLB2 –  Arko D Feb 8 '13 at 14:57
    
that sounds right. any reason why not installing sql 2012? licensing issue? it integrates better with sharepoint as it becomes a service application component. –  Simon Doy Feb 8 '13 at 16:17
    
Yes its a licensing issue. Thanks for your help Simon. –  Arko D Feb 11 '13 at 9:48
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