Oracle FAQ | Your Portal to the Oracle Knowledge Grid |
Home -> Community -> Usenet -> c.d.o.server -> Re: Help required on Data Guard
Praveen wrote:
> Hi Yang,
>
> In one of your previous post, u mentioned about Data Guard with RAC
> requires atleast 2 DB Servers for no-downtime systems. Can u please
> tell me why we required 2 DB Servers? In our case, LOC1 is the data
> centre and LOC2 is the failsafe DB's. On failover, the application has
> to switch to LOC2 standby DBs.
>
> I'm bit confused with how data gaurd with RAC works. Can u please
> brief explanation?
>
> Thanks,
> Praveen
DataGuard and RAC, for the most part, address different issues. Or, if you prefer, address the high-availability issue with different solutions. I would suggest that you go to http://tahiti.oracle.com and read the Concept documents.
-- Daniel A. Morgan University of Washington damorgan_at_x.washington.edu (replace 'x' with 'u' to respond)Received on Mon Nov 29 2004 - 19:10:32 CST