Re: Any-one know how to eliminate PLANNED downtime with Oracle RAC?

From: Niall Litchfield <niall.litchfield_at_gmail.com>
Date: Mon, 24 Nov 2008 19:43:44 +0000
Message-ID: <7765c8970811241143x680742b6xe1389063be64f63@mail.gmail.com>


Don't *plan* for any downtime and don't patch! Planned downtime will be zero, actual downtime will be close to that of ha sites. People won't like this much of course. Also you should never allow application upgrades. This suggestion isn't entirely facetious by the way, may people spend huge amounts just to match single instance terminal release availability. Do nothing is a surprisingly good option here.

On 11/24/08, Fahrenfort, Keith (HP Shared Solutions Architect for Oracle) <keith.fahrenfort_at_hp.com> wrote:
> Hi, I'm working with a customer running a critical web site on a 10gR2 RAC
> backend DB - they support hundreds of thousands of simultaneous connections
> at the "quietest" time.
>
> They have expressed a desire for NO downtime during ANY changes to Oracle,
> particularly the application of Oracle patches and Oracle upgrades (both
> minor and major), etc.
>
> Any thoughts? Who's "been there done that"?
>
> Thanks! Regards!
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> Keith Fahrenfort
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> Solution Design Services for Oracle
> Shared Solutions Architecture
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Niall Litchfield
Oracle DBA
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Received on Mon Nov 24 2008 - 13:43:44 CST

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