RE: 9i standby

Yes, you are right. OPS is no longer, long live RAC (Real Application Cluster).
Rumor is that Oracle will produce software for HAL9000 later this year. Dave Bowman.

> -----Original Message-----
> From: Yosi Greenfield [mailto:yosi_at_comhill.com]
> Sent: Friday, July 13, 2001 4:42 PM
> To: Multiple recipients of list ORACLE-L
> Subject: Re: 9i standby
>
>
>
> Mark Leith wrote:
>
> > No it is not the upgrade of OPS as I understand. They even
> put OPS down
> > themselves saying that it was sparsely used, and far to
> complicated to set
> > up.
>
> Th king is dead; long live the king! OPS was sparsely used, so they
> renamed it. I'm reading a book about the Communist system and the
> KGB in the USSR, and this sounds vaguely familiar.
>
> >
> > What RAC does, is essentially link every machine together
> in to a "cluster",
> > then each physical machine can touch the same database concurrently
> > (probably on a central storage unit). There is no actual
> "standby" when this
> > is in use, as all machines connected to the cluster work
> together - but if
> > one of the machines has a hardware failure, the load is
> simply spread
> > between the remaining machines..
>
> Which is exactly what OPS did. You had several machines linked
> to a centrally stored db. One wen't down, the others picked up the
> slack.
>
> A fat lot I know, I never used it. But I'm pretty sure that's what OPS
> was all about. I'm sure they've added some functionality. At least,
> I *hope* they've added some functionality.
>
> When the central storage goes down, the RAC instances have nothing
> to run against. That's where standby comes in. It duplicates the
> central storage.
>
> As I said, I've never done either of these, AND I'm unemployed. So
> I MUST be an expert!
>
> Have a great weekend.
>
> Yosi
>
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> Please see the official ORACLE-L FAQ: http://www.orafaq.com
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> Author: Yosi Greenfield
> INET: yosi_at_comhill.com
>
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