Re: Moving to RAC`

From: Ram Raman <veeeraman_at_gmail.com>
Date: Sun, 1 Mar 2015 15:25:03 -0600
Message-ID: <CAHSa0M0JQ8a3WmhjxPvSWmTLD5490widJBSCGkiRx=6QLGokmQ_at_mail.gmail.com>



 "wants to achieve more resilience and fault tolerance" - That seems to be the goal.

It is not a DW; they are not even thinking about running reports or backup in the other node.

  he said the need for RAC wasn't part of this discussion. So let's not
> worry about it and just advise him on his question.
>
> So one other thing to keep in mind. Companies may certify their
> application in RAC and only mean there is nothing in RAC that will break
> their App. Eg, the sequence issue mentioned before. That does not mean
> their app is suitable for RAC and will scale well in a RAC environment.
>
> But the answer to the question is crucial. If he wants to achieve more
resilience and fault tolerance, he needs to set the system up one way and if he needs to run reports, it's another setup, and if the system is a DW system, it's yet another set of settings. To tell him how to scale, I must know what does he want to do and why. That's the philosophical catch 22.5.

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Received on Sun Mar 01 2015 - 22:25:03 CET

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