I asked because I saw someone posted on a metalink forum that it is possible. Thread: "Oracle 10g RAC to 11g RAC Upgrade on Solaris". My gut feeling is that it is not possible but I would have to test it out... so short of actually doing it, I wanted to know if anyone on the list ever did it before. On Apr 4, 2011 2:25 PM, "Subodh Deshpande" <deshpande.subodh@xxxxxxxxx> wrote: are you saying you want to upgrade OS from solaris 9 to solaris 10. All nodes in RAC should have same OS, you can not have one node running on 9 and another on 10. thanks..subodh On 4 April 2011 22:09, Paul Barrett <tinojam@xxxxxxxxx> wrote: > > Is it possible to run Solaris 9 a... -- ============================== DO NOT FORGET TO SMILE TODAY ==============================