RE: RAC on extended distance clusteres
- From: "Pete Sharman" <peter.sharman@xxxxxxxxxx>
- To: "stellr@xxxxxxxxxx" <stellr@xxxxxxxxxx>
- Date: Wed, 14 Dec 2005 05:20:22 +1100
Well, you got me there, it should have been "fell" and I'd never heard of Paddy
Martin, so that makes us even! :)
I'm not saying it won't work, it will and we have customers doing it. But to
me it's trying to fit a square peg into a round hole. Use a big enough
sledgehammer and you can do anything I guess. However, if your data is that
important to you that you want to make it highly available, then use the right
technology for the right problem. HA is hard enough as it is without doing
weird and wonderful things to achieve it. Just using RAC with extended
clustering technology does not give you the full gamut of HA that you can get
using RAC for machine failover capability and DataGuard for site failover
capability.
Pete
"Controlling developers is like herding cats."
Kevin Loney, Oracle DBA Handbook
"Oh no, it's not. It's much harder than that!"
Bruce Pihlamae, long-term Oracle DBA
-----Original Message-----
From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx] On
Behalf Of Ray Stell
Sent: Wednesday, 14 December 2005 4:56 AM
To: Pete Sharman
Cc: oracle-l
Subject: Re: RAC on extended distance clusteres
On Wed, Dec 14, 2005 at 04:09:07AM +1100, Pete Sharman wrote:
> It seems people try to use this as a cheap way to provide DR and HA in one
> foul swoop.
Forgive the non-techie aside, I had never heard the foul ref before,
though it is reported to be in common usage. So, what you're saying is
that RAC for DR purposes is a "Paddy Martin?"
http://www.worldwidewords.org/qa/qa-fel1.htm
"All my pretty ones?
Did you say all? O hell-kite! All?
What, all my pretty chickens and their dam
At one fell swoop?"
http://www.anu.edu.au/andc/ozwords/October_96/6._betty.htm
"...one fell swoop has now been Betty Martined to 'at (orin) one foul swoop
because
the meaning of fell has largely been lost."
http://dictionary.reference.com/search?q=one+foul+swoop
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