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Home -> Community -> Mailing Lists -> Oracle-L -> Re: DG questions
Alessandro Vercelli wrote:
>Hi everybody,
>I've configured a couple of primary/standby (physical) databases on two separated hosts, 10.1.0.5, RHEL ES3.
>
>I've read DG Concepts and Administration manual, but I'm a little confused about some parameters:
>
>Q1. DB_UNIQUE_NAME: is it mandatory to have them different when DG is on separated hosts?
>
>
Absolutely- they must be , db_unique_name is the way the 2 (more if you have additional standbys) instances communicate with *each other*
>Q2. INSTANCE_NAME: the same as Q1 + can be omitted?
>
>
Absolutely - you dont need it at all. this is just another parameter that gets in the way. Forget about instance_name
bob
>Thanks for your help,
>
>Alessandro
>
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-- "Oracle error messages being what they are, do not highlight the correct cause of fault, but will identify some other error located close to where the real fault lies." -- http://www.freelists.org/webpage/oracle-lReceived on Sun Nov 05 2006 - 07:27:18 CST
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