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Re: ZERO Database Downtime???

From: David Sharples <davidsharples_at_gmail.com>
Date: Wed, 29 Mar 2006 16:06:51 +0100
Message-ID: <be592d550603290706y4d642a37h71985f85e71a56df@mail.gmail.com>


I believe it has something to do with dataguard, i.e. failover to standby server, then upgrade your primary and then switch back

or something like that

On 3/29/06, Mercadante, Thomas F (LABOR) < Thomas.Mercadante_at_labor.state.ny.us> wrote:
>
> Michael,
>
> Lets say you have a RAC configuration. You need to perform a minor
> upgrade (10.2.0.1 to 10.2.0.3). You shut down one node. Upgrade the
> software. Now what do you do? Internal (Data Dictionary) patches need to
> be applied (catalog, catproc etc). You can only do this with the database
> up and (for safety reasons) with no users connected. How the heck are you
> going to do this with the other node up and running?
>
> I would love to hear something different from the better educated folks on
> this list.
>

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Received on Wed Mar 29 2006 - 09:06:51 CST

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