Re: Upgrade DB with no downtime
- From: "Ivan Chow" <ichow2@xxxxxxxxxxx>
- To: oracle-l@xxxxxxxxxxxxx
- Date: Thu, 27 May 2004 08:02:17 -0400
The database needs to be available in read-write mode when we do the upgrade
from 8i to 9i or 9i to 10G. Hardware is not an issue as long as we can
achieve zero downtime during the upgrade. Not sure how we can achieve that.
Anyone has any experience or suggestions?
thanks.
Ivan
>From: Fernando <fernandoluis@xxxxxxx>
>Reply-To: oracle-l@xxxxxxxxxxxxx
>To: oracle-l@xxxxxxxxxxxxx
>Subject: Re: Upgrade DB with no downtime
>Date: Wed, 26 May 2004 19:51:51 -0700
>
>will it be ok to have read-only as "available" and do you have enough
>hardware to have both 8i/9i and 10g up and running?
>
>Fernando
>
>On May 26, 2004, at 7:45 PM, Ivan Chow wrote:
>
> > Hi,
> > Is there a way to leverage Oracle Data Guard or any other Oracle
> > technology
> > to perform a database upgrade from 8i to 9i or 9i to 10G without any
> > downtime? Currently it takes us anywhere from 8-12hrs to perform an
> > upgrade
> > from 8i to 9i or 9i to 10G. The databases would remain unavailable
> > during
> > the upgrade. Ideally, if possible, we would like the database to be
> > available during the upgrade.
> >
>
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