SQL 2008

One of the great new features of Windows 2008 Failover Clustering is the removal of the “same subnet” restriction. This is a huge feature for multi-site clusters as I personally know of several customers that did not implement a multi-site cluster specifically because of this limitation. Most of the folks that I spoke with at TechEd are excited about this new feature and are considering multi-site clusters specifically because of this change.


Anyway, at TechEd this year the SQL folks made it publicly known that SQL 2008 will NOT support clusters with nodes running on different subnets. Ouch! This is a mighty blow to anyone considering a stretched 2008 cluster as SQL is certainly one of the top cluster applications. 


Personally, I’m dumbfounded by this and I don’t understand how Microsoft allows a product to ship that doesn’t support this feature in clusters. This issue was revealed to us at the MVP conference in March and my response was to obnoxiously shout at the SQL team, “Boooooooo, hissssssss!”


 Hopefully, this will change quickly as more customers demand support for this feature in SQL.

4 thoughts on “SQL 2008”

  1. Here we have a Multi-Site Cluster with Windows 2008 and SQL 2005. We are in need for the support of Geographically dispersed clusters for SQL (2005 or 2008)

    Please… we really neeed it!!

  2. This is a constraint that has been around since the release of SQL 2008. There are many customers in Mexico that would like to have a geo-cluster SQL solution. I’d like to see this happen!.

    Thanks for all John!

  3. one our custumers has the same solution implemented into infraestructure, but he needs an automatic solution with sql 2005 or 2008 failover cluster, for move all the instances installed need to apply a manual proccess, and the availabilty of his operation is in risk.

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