So how do you deal with different application vendors who certify their
applications only on specific versions of Oracle?
--
Terry Dykstra
Canadian Forest Oil Ltd.
"Daniel A. Morgan" <dmorgan_at_exesolutions.com> wrote in message
news:3ADE7CBE.7F0552F7_at_exesolutions.com...
> Is it possible? Yes.
>
> Is it sensible? IM(not so)HO No.
>
> Why create multiple instances? Why not just add some more tablespaces to
> your existing instance and use different schema names?
>
> I see this kind of thing all the time and I see no justification for have
> multiple copies of the data dictionary. Multiple copies of each and every
> process. Multiple listeners. And on and on and on. It buys you absolutely
> nothing but maintenance headaches.
>
> My rule of thumb is one instance per machine. And when the financial types
> start their whining about the cost of hardware I remind them what it costs
> when they have to pay me to come in on a weekend and clean up the mess not
> to mention of value of lost productivity. The last CFO that didn't listen
to
> reason got a lesson in reality. When the machine crashed I phoned him and
> told him it was his responsibility to notify the company's CEO. And that
if
> he didn't I would forward all of his emails refusing our request for more
> servers because it would save the company money.
>
> Yes he notified the CEO. And yes we got our servers in less than a month.
>
> Daniel A. Morgan
>
>
>
>
> Feldman Roger wrote:
>
> > Oracle People:
> >
> > I've never had a machine with more than 3 instances. Now we're thinking
> > of going from 3 - 5 instances on a machine that has 2Gig memory. None of
> > the databases are too big- mostly support for apps like rational.
> >
> > So- when do you hit the limit for instances ? Is there a rule of thumb ?
> >
> > Thanks,
> >
> > Roger
>
Received on Thu Apr 19 2001 - 10:22:45 CDT
