Horkay Blog
The postings on this site are my own and do not represent my Employer's positions, advice or strategies.
Thursday, May 13, 2010

Yes you can have sql server 2005 and sql server 2008 on the same cluster, this came up while turning an active / passive cluster into an active / active cluster to make better use of resources.  [They say not to use the terms active / passive any more, but it'll take me until sql 2010 to get correct my jargon].

See the section on ‘Multiple SQL Server Versions Within the Same Windows Server Cluster (SQL Server 2000 and 2005 with SQL Server 2008)’ in the link below:

http://download.microsoft.com/download/6/9/D/69D1FEA7-5B42-437A-B3BA-A4AD13E34EF6/SQLServer2008FailoverCluster.docx

I've uploaded the document here,SQLServer2008FailoverCluster.docx (3.75 MB), as I have a tendency to need to support things longer than Microsoft makes them available.

I did run into an issue with a necessary patch for the operating system that the installer did not catch until I'd filled out all the information, it then through a warning on the missing patch and would not let me proceed, of course the damned patch requires a reboot so I had to start all over.

This patch was for windows 2003, filestream support... of course I did not select to enable filestreaming, but no matter, it insisted on it.   At least it (the installer) found the issue before it started, as I really hate bombing or failed installations, but it was still a pia to go back, down load the patch, install it, reboot it, and then restart setup....i thought the whole point of the prerequisite checks was to find pre-reqs !  http://support.microsoft.com/kb/937444 

 

Thursday, May 13, 2010 11:35:00 AM (Central Standard Time, UTC-06:00) |  | SQL Server#
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