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Re: Multiple DATABASES on the same RAC cluster

From: Richard Foote <richard.foote_at_bigpond.com>
Date: Sat, 17 May 2003 00:09:42 +1000
Message-ID: <l26xa.35564$1s1.515083@newsfeeds.bigpond.com>


"Daniel Morgan" <damorgan_at_exxesolutions.com> wrote in message news:3EC462B7.703E339E_at_exxesolutions.com...
> Jonathan Lewis wrote:
>
> > Just one comment in line.
> >
> > --
> > Regards
> >
> > Jonathan Lewis
> > http://www.jlcomp.demon.co.uk
> >
> > The educated person is not the person
> > who can answer the questions, but the
> > person who can question the answers -- T. Schick Jr
> >
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> > The Co-operative Oracle Users' FAQ
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> >
> > "Howard J. Rogers" <howardjr2000_at_yahoo.com.au> wrote in message
> > news:_QVwa.35126$1s1.509881_at_newsfeeds.bigpond.com...
> > >
> > > > time finding out a good answer to relay to them. They want to
> > know wether
> > > > or not they can implement two or more RAC clustered databases on
> > the same
> > > > hardware running at the same time.
> > >
> > > Yes they can. Is it a good idea to do so? Doubt it.
> > >
> >
> > One possible scenario where this might be sensible.
> > You have two applications, which are not RAC-compliant -
> > i.e. no chance of two-node RAC scaling at all.
> >
> > For resilience purposes, you set up application A
> > with node1 its active node and node2 its passive node;
> > then set up application B so that node 2 is its active
> > node and node1 its passive node.
> >
> > Each application is (close to) running on a dedicated
> > server system, but with a failover position where both
> > applications will be running on one server.
>
> Brilliant.
>
> I have a possible use for this coming up on a project next month. Client
> is just waiting for some new AIX boxes to arrive and this would be
> perfect.
>

Hi Daniel,

Not an expert on RAC by any means.

But couldn't the above also be achieved by having the two clustered servers and using Failsafe (or some such) instead ?

Benefit being saving in mucho $$$$ in Oracle licensing.

Cheers

Richard Received on Fri May 16 2003 - 09:09:42 CDT

Original text of this message

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