I wanted to apologize for confusing the issue. For some reason I had ASM on the brain, even though there was no mention of it in the OP's note (not even RAC for that matter). I am sure some of you were thinking after reading my note "What was he smoking?" I assure you, I am thinking the same thing. On Dec 16, 2007 7:01 AM, Charles Schultz <sacrophyte@xxxxxxxxx> wrote: > Grzegorz, > > Good question, that is something we have been wondering about as well. > There are some other questions that go along with this, I believe. > > For instance, are you using a RAC? Seems like an obvious one, but I did > not want to assume (that BAAG party as got to be for something, right?). > Second question, do you currently or plan to use Flashback database? From my > limited experience, these seem to be the key things that "require" an FRA. > > To answer you question, dataguard, in and of itself, does not need FRA > whatsoever. In fact, DG and RAC are two completely separate technologies, > used to achieve a single goal (Maximum Availability). > > In our RAC environment, we do not currently have need of an FRA; we > implemented the Flashback Recovery Area as part of the "Best Practices", but > for us, it is a real pain dealing with archive log gaps (both for physical > standbys and streams). And we have chosen, at this point, to avoid the > dataguard broker as well. These are choices we have made for our particular > environment and may not be well suited for everyone. We are still learning > things about RAC, FRA and the broker, so there is still a chance our > environment may change a little. > > If anyone finds holes this, please let me know. =) > > > On Dec 16, 2007 5:53 AM, Grzegorz Goryszewski <grzegorzof@xxxxxxxxxx> > wrote: > > > Hi, > > > > can You please clarify one thing for me. > > I'm wonder if FRA is really neccessary for Data Guard solution ? > > I'm preparing for DG configuration with physical standby, do I need FRA > > for > > failover switch from primary to standby and back ? > > Oracle 10.2.0.2 . > > Regards. > > Grzegorz > > > > > > ---------------------------------------------------------------------- > > Las Vegas wsrod portali! Sprawdz >> http://www.interia.pl/ > > > > > > -- > > //www.freelists.org/webpage/oracle-l > > > > > > > > > -- > Charles Schultz -- Charles Schultz