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Nov 21, 2011 at 01:18 PM

advise on upgrade DR with HA and MSCS - from ECC6 to EHP5


Dear All,

I would like to upgrade ECC6 to EHP5 which is HA and run on windows 2008 R2 MSCS, MSSQL2008 on both prod and DR environment.

I don't see any problem upgrading HA based on the EHPI guide, however, i need some input on upgrading the DR.

As what i can think, during the upgrade, we'll first stop the log shipping to DR and perform EHP5 upgrade on PROD. Once EHP5 upgrade completed successfully on PROD, could we merely stop sql services and copy the datafiles + logs to DR and upgrade the Kernel from 7.00 to 7.20 since 7.20 kernel is downward compatible??

Your expert advise is very much appreciated.


Nicholas Chang.