Thank you all for your answers!

Now here's another one : in a high availability environement (24/7 uptime), what do you use as backup strategy?

I was thinking of during the night when there is less load on the RAC making an incremental backup and once a week during the weekend an incremental backup level 0?

Kind regards,

Bart

>----- Oorspronkelijk bericht -----
>Van: Jean-Hilaire Yapi [mailto:jhyapi@(protected)]
>Verzonden: zaterdag, februari 3, 2007 09:19 PM
>Aan: 'Bart Goossens', suse-oracle@(protected)
>Onderwerp: RE : [suse-oracle] RAC-questions
>
>Hi Bart,
>
>> Is it necessary that the hardware of all nodes is identical? No. You can use different makes (Dell, HP, IBM, ...) in your RAC.
> You just need to have the same architecture (32 or 64 bits) and the same OS.
> And the different compouters can have more or less CPUs and RAM.
> Don't forget that with RAC, you can decide to dedicate one of your nodes to run heavy jobs and the remaining to serve your connected users. And depending on the load you need to support on each computer, you can add more or less CPUs and RAM.
>
>> Can I have several versions of Oracle on one RAC?
> NO. All the instances of the same RAC database must be of the same version of Oracle.
>
> But, you can run different versions of Oracle RAC on one computer.
>
> Regards,
>
> Jean-Hilaire
>
>Bart Goossens <bartg4@(protected) :
> Hello,
>
>I have some RAC questions :
>
>Is it necessary that the hardware of all nodes is identical? For the OS it is clear, but for the machines I'm not certain? Can I for example have two nodes with each 2 cpu's and a third node with 4 cpu's?
>
>Can I have several versions of Oracle on one RAC?
>
>Regards,
>
>Bart
>
>




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