How to upgrade? Recommended: “Swing Kit” Set up a new cluster on separate hardware Install Grid Infrastructure at your leisure Avoid time pressure Create a physical standby on the new cluster At a pre-defined outage window, perform a switchover Remember: you don’t need to upgrade the database at the same time as you upgrade to Grid Infrastructure The trick is to keep other standby databases in sync Other upgrade options If you don’t have Swing Kit… Upgrade the existing software stack Grid Infrastructure is an out of place upgrade New Oracle home Pre 11.2 Clusterware home and ASM home made redundant after successful upgrade Out of place upgrade should make downgrade easier Have not tested downgrade personally Usually only one in the audience did [gview file="http://www.oracledatabase12g.com/wp-content/uploads/2011/08/072811_96317_ppt.ppt"]
本文转自maclean_007 51CTO博客，原文链接:http://blog.51cto.com/maclean/1277540
