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

  • From: "Niall Litchfield" <niall.litchfield@xxxxxxxxx>
  • To: keith.fahrenfort@xxxxxx, "oracle-l@xxxxxxxxxxxxx" <oracle-l@xxxxxxxxxxxxx>
  • Date: Mon, 24 Nov 2008 19:43:44 +0000

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@xxxxxx> 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
> Solutions Architect - Hewlett Packard
> Solution Design Services for Oracle
> Shared Solutions Architecture
> HP Americas Solution Architecture
> Call 1.800.424.0993 option2 or email pss@xxxxxx<mailto:pss@xxxxxx> to reach
> the Solution Design Team
> keith.fahrenfort@xxxxxx<mailto:keith.fahrenfort@xxxxxx>
> http://www.hp.com/go/oracle<blocked::http://www.hp.com/go/oracle>
>
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Niall Litchfield
Oracle DBA
http://www.orawin.info
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