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Adding a new a third node into an existing two nodes SQL 2005 cluster. Expand / Collapse
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Posted Tuesday, July 9, 2013 11:28 PM
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I want to know if I add a new node that is on a newer dell 620 server with Win 2008r2 into an existing SQL 2005 two nodes cluster on old dell R900 server with Win 2003 OS; would work. My assumption is that I will have to have identical hardware, OS. Please advise.
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Posted Wednesday, July 10, 2013 1:38 AM


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You need to have an identitical OS as clustering changed quite a bit between Windows 2003 and 2008. You also cannot upgrade the existing cluster to 2008, it would need to be completely rebuilt.
http://support.microsoft.com/kb/935197

In 2003 you needed Microsoft certified hardware but in 2008 it just needs to pass the cluster validation tests so hardware does not need to be identical.
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