Re: Can a Data Guard copy live on the same box?

From: DA Morgan <damorgan_at_x.washington.edu>
Date: Thu, 31 Mar 2005 13:35:18 -0800
Message-ID: <1112304703.712490@yasure>

Mark Bole wrote:

> DA Morgan wrote:
>

>> Mark Bole wrote:
>>
>>> stephen.howard_at_us.pwcglobal.com wrote:
>>>
>>>> GeoPappas wrote:
>>>>
>>>>> Can both the original database and the copy of the original database
>>>>> reside on the same box using Data Guard?
>>>>
>>>>
>>>> Having it on the same machine doesn't buy you much (except for
>>>> testing)[...]
>>>
>>>
>>> One thing having a standby on the same machine as the primary does 
>>> buy you is avoiding extra CPU licen$ing.
>>>
>>> -Mark Bole
>>
>>
>>
>> Who pays for standby licenses?

>
>
> Following excerpt from a PDF document "Database Licensing" downloaded
> from www.oracle.com which "provides guidelines regarding Oracle's
> policies in effect as of January 23, 2004". Of course any individual
> customer may negotiate their own terms, but clearly the intention is
> that standby databases are fully licensed. By contrast, in an HA cluster
> (such as Veritas VCS or HP Service Guard), where failover of the primary
> database to another node (still functioning as a primary) occurs "up to
> a total of ten separate days in any given calendar year", a separate
> license is not required.
>
> Quote:
> "Standby: One or many copies of the primary database are maintained on
> separate server(s) at all times. These systems are configured for
> disaster recovery purposes. If the primary database fails, the standby
> database is activated to act as the new primary database. In this
> environment, the primary and the standby databases must be fully
> licensed. Additionally, the same metric must be used when licensing the
> databases in a standby environment."
>
> -Mark Bole

The reason I asked is that the last time I check with Oracle one only paid for a standby after it was active for 9, I belive consecutive, days.

-- 
Daniel A. Morgan
University of Washington
damorgan_at_x.washington.edu
(replace 'x' with 'u' to respond)

Received on Thu Mar 31 2005 - 15:35:18 CST