>>> >>>I wonder if anybody can explain this sudden change in the >>>CPU patch instructions for RAC (which actually has a big >>>impact in production >>>operations): >>> >>>- JUL 06 CPU RAC post install stated than when running >>>post-install: "No user should be accessing the selected >>>instance and all other instances must be shutdown." ...Luca, great thread. We've covered the controversial topic of "rolling patchs" and "rolling upgrades" here several times each time the topic of shared Oracle Home comes up. The topic never dies, but the marketing hype rolls on... I'll be blogging about this sometime I suppose... -- //www.freelists.org/webpage/oracle-l