Re: Upgrade DB with no downtime
- From: Jared Still <jkstill@xxxxxxxxxx>
- To: Oracle-L Freelists <oracle-l@xxxxxxxxxxxxx>
- Date: Thu, 27 May 2004 06:03:46 -0700
On Thu, 2004-05-27 at 05:02, Ivan Chow wrote:
> 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
>
When you consider that the database being migrated must be in
'startup migrate' mode, and that *many* changes will be made
to the data dictionary, it would not seem possible to do
what you are asking.
Jared
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