http://sqlblog.com/search/SearchResults.aspx?o=DateDescending&tag=SQL+Community,High+Availability&orTags=0Search results matching tags 'SQL Community' and 'High Availability'en-USCommunityServer 2.1 SP2 (Build: 61129.1)http://sqlblog.com/blogs/rick_heiges/archive/2007/12/19/no-more-hcl-in-2008.aspxWed, 19 Dec 2007 14:25:00 GMT21093a07-8b3d-42db-8cbf-3350fcbf5496:4101RickHeiges<P>The old Hardware Compatibility List which was renamed the "Windows Catalog" is no more.&nbsp; When creating a Clustered&nbsp;Solution, you need to have a system that is Certified for clustering or there will be no official support.&nbsp; This has been a point of pain in the past as organizations purchased a clustered solution and then one of the nodes has issues after a year or two.&nbsp; Getting an exact replica of that node is often impossible and impractical.&nbsp; Try explaining to the big wigs that you need to purchase a new system that is 2 years old - not very compelling.</P> <P>In Windows 2008 and SQL 2008, there is no need for a certified solution.&nbsp; There is a program called clusprep.exe that you run on the nodes of the proposed cluster to test/prepare the nodes.&nbsp; If your system passes, it can run on a cluster.&nbsp; </P> <P>One drawback of this is that when failing over to a node of lesser "girth", the user experience may suffer.&nbsp; Also, with this change, the base of clustering is changing which means that your upgrade to the 2008 flavor will take some more planning.</P> <P>If you attended the PASS Community Summit in Denver, you can view the streaming session online on Clustering.&nbsp; It was very educational.</P>