Re: RAC Oracle Upgrade Question

Rodrick Brown wrote:

> I know this is probably answered in the Oracle RAC FAQ or something but
> i'm not a DBA just suppot them :)
>
> When you need to upgrade RAC do you have to take the entire cluster
> offline ?
> Can do you do standby/dataguard between 2 RAC clusters ?
>
> Can you have different versions of Oracle in a RAC cluster ?
>
> Another questions can I have multiple databases ie multiple Oracle Homes
> on the clustered file system all running in a RAC configuration ? say 5
> versions of Oracle binaries all 5 being clustered against 5 systems each
> in their own RAC setup.
>
>
> Thanks alot.

Version?

Depends on what you mean by upgrade. Are you talking about a schema change? A data change? Or an Oracle patch?

Please reread your posting. Could you have been less clear? ;-)

With respect to your last question ... yes you can. But why any sane person would choose 5 SGAs, 5 System tablespaces, 5 Undo tablespaces, and 5 Temp tablespaces when one would suffice is beyond me.

-- 
Daniel A. Morgan
University of Washington
damorgan_at_x.washington.edu
(replace 'x' with 'u' to respond)