Description of Microsoft support for a SharePoint configuration that is hosted in a geographically dispersed SQL Server cluster

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Article ID: 971160 - View products that this article applies to.
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INTRODUCTION

Building a geographically dispersed SQL Server cluster to host SharePoint relies on third-party applications to overcome the 'same subnet' limitation. A self-sufficient storage replication infrastructure that is outside the Microsoft product line also relies on third-party applications to overcome this limitation. These configurations are vendor-specific, so the SharePoint Product Group did not test them.

More information

We do not offer end-to-end support for the kinds of configurations that are described in the "Introduction" section. We require users to eliminate the third-party component as a cause of the problem before we provide support. In certain cases, the customer would have to show a reproduction of the problem in a co-located environment.

Notes and caveats:
  • All active Servers in a farm should have a maximum of 1 millisecond latency to the SQL Server that serves them.

    Planning and Monitoring SQL Server Storage for Office SharePoint Server: Performance Recommendations and Best Practices (white paper)
    http://technet.microsoft.com/en-us/library/cc263261.aspx
    Storage and SQL Server capacity planning and configuration (SharePoint Server 2010)
    http://technet.microsoft.com/en-us/library/cc298801.aspx
  • Built on Windows and SQL Server clustering technology, the cluster must span the same subnet.

    White Paper: Stretching Microsoft Server Clusters with Geo-Dispersion
    http://technet.microsoft.com/en-us/library/bb742374.aspx
  • The following is the Microsoft general support policy when third-party clustering tools are involved:

    "If you cluster SQL Server with any clustering product other than Microsoft Server Clustering, your primary support contact is the third-party cluster solution provider for any support issues that are related to SQL Server. SQL Server was developed and tested by using Microsoft Server Clustering. Third-party clustering solutions that support SQL Server installations should be your primary contact for any installation issues, performance issues, or cluster behavior issues. CSS provides commercially reasonable support for third-party cluster installations in the same manner that we do for a stand-alone version of SQL Server."

    327518 The Microsoft SQL Server support policy for Microsoft Clustering


    814607 Microsoft support for server clusters with third-party system components
  • Additional resources and recommended SharePoint topologies are available on the TechNet Center.

    Backup, Recovery, and Availability Resource Center for SharePoint Server 2007
    http://technet.microsoft.com/en-us/office/sharepointserver/bb736212.aspx
    White Paper: Globally deploying multiple farms
    http://technet.microsoft.com/en-us/library/cc262199.aspx
    Business Continuity Management for SharePoint Server 2010: Backup, Recovery, Availability, and Disaster Recovery
    http://technet.microsoft.com/en-us/sharepoint/ff601831.aspx

Properties

Article ID: 971160 - Last Review: February 13, 2014 - Revision: 5.0
Applies to
  • Microsoft Windows SharePoint Services 3.0
  • Microsoft Office SharePoint Server 2007
  • Microsoft SharePoint Foundation 2010
  • Microsoft SharePoint Server 2010
  • Microsoft SharePoint Foundation 2013
  • Microsoft SharePoint Server 2013
Keywords: 
kbexpertiseadvanced kbsurveynew kbinfo KB971160

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