hi all,
we are running our database on 10.2.0.2.0 now we want to upgrade to 11.2.0.1. the server is having 4 instances with 500mb instance size and 4gb of ram. i checked hardware prerequisites, they given like minimum 1gb ram and 5.1gb disk space for db. of-course i have enough space for my databases. now do we need to increase the ram size and instance sizes also 11g.
please suggest.
thanks