I would question why you're implementing data guard without a compelling business case. The server(s) on which the standby database(s) must have the same licensed options as the active databases which they support. On Sun, Sep 1, 2013 at 2:21 PM, C P <carlospena999@xxxxxxxxx> wrote: > We are thinking of implementing dataguard for several of our production > databases, some in 10g, some in 11g. One of the colleagues is suggesting an > idea of just having one unix server and install several 10g and 11g (11.1, > 11.2) oracle homes for different applications and running several standbys > (about 8) out of those oracle homes. The idea according to him is to save > on CPU$ since not all the applications will be down at the same time. It > does not sound like a good idea to me. I am trying to make my case against > it. Some of the potential issues I see is that version mismatch during > upgrades, esp on the OS side, if there is a need to reboot; having a > runaway process in one application will affect all applications, although I > do not see that as a big possibility. > Can the listers share their thoughts on having all standbys in one server. > > CP. > > > -- > //www.freelists.org/webpage/oracle-l > > > -- Adam Musch ahmusch@xxxxxxxxx -- //www.freelists.org/webpage/oracle-l