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Windows + SQL upgrade simultaneously Expand / Collapse
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Posted Tuesday, July 13, 2010 10:06 PM
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Hi All,

I am having a wierd situation to upgrade a cluster. The cluster is an active-active windows 2003 having 2 instances of sql cluster. My client wants them to be upgraded in place both.

Is it a preferred method ?

anyone has tried this option...the draft plan is like this...


1) Failover all the resources to one node
2) Evice one node from the cluster and built it as a single node cluster with Windows 2008 and SQL 2008
3) Move the databases to SQL 2008
4) repeat the steps for the other node also...


Is this plan worth a try ?

Regards
Nimesh
Post #951984
Posted Thursday, July 15, 2010 12:18 PM
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Hi,

As per Microsoft website:

You cannot upgrade the operating system of a clustered server from Windows Server 2003 to Windows Server 2008 or Windows Server 2008 R2 and from Windows Server 2008 to Windows Server 2008 R2


Here is the link that shows you the proper was of doing it: http://support.microsoft.com/kb/935197

When upgrading a SQL Server 2005 cluster to a SQL Server 2008 cluster, the installer will do its best to keep the instance online for as long as possible during the upgrade. To do this, when you begin the upgrade process, start on a passive node. If you attempt to start by upgrading the active node, the installer will prompt you to fail over the SQL Server instance to another node before proceeding. Here is a nice article on how to
Upgrading a SQL Server 2005 Cluster to a SQL Server 2008
at http://www.devproconnections.com/article/clustering/upgrading-a-sql-server-2005-cluster-to-a-sql-server-2008.aspx

I hope I was able to help you.
Post #953391
Posted Monday, February 11, 2013 7:35 AM
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Hi Nimesh,
this is quite old post and I hope you managed to upgrade this. I am also planning to do the same upgrade but with SQL 2012.
Can I ask please the steps/advise in this respect.

Thanks,
Post #1418426
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