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Re: Standby database

From: <nlzanen1_at_EY.NL>
Date: Tue, 04 Sep 2001 01:00:22 -0700
Message-ID: <F001.00381489.20010904010042@fatcity.com>

Hi

I forgot to mention that the database I'm to create the standby for is not alone on this machine. IP-switching is therefore not an option (I'm not doing standby for the whole system). We are currently using HACMP with EMC but this is giving us much grieve (UNIX people anyway) so they want to get rid of it.

Thx

Jack

Ray Stell <stellr_at_stell.cns.vt.edu>@fatcity.com on 04-09-2001 00:00:23

Please respond to ORACLE-L_at_fatcity.com

Sent by: root_at_fatcity.com

To: Multiple recipients of list ORACLE-L <ORACLE-L_at_fatcity.com> cc: (bcc: Jack van Zanen/nlzanen1/External/MEY/NL)

On Mon, Sep 03, 2001 at 08:45:24AM -0800, nlzanen1_at_EY.NL wrote:
>
>
> Hi All,
>
>
> I'm resaerching standby database on 8.0.5 here and have a question.
> Setting up the standby database is quite well documented, but how to
> configure the clients in such a way that they will first try the primary
> site and if that's not responding try the standby site. Oracle
> documentation did not give me satisfactory result.

--


I don't think you want to do what you are saying.

For standby environment you would need to have some manual intervention
at the prod failure (well, I guess you could script it, but I
wouldn't).   What I'd do is configure the old prod host ip address on
the new prod host (the old standby that has been activated).  That way
you don't have to mess with a dns restart.  You may need to clear some
arp caches in some layer 2 & 3 network elements along the way,
however.  As an alternative, you could move the dns pointer record for
the db from the old prod host dns entry to the old standby entry, which
isn't a standby anymore, it is the new prod host.  Whichever is
easier.
===============================================================
Ray Stell   stellr_at_vt.edu     (540) 231-4109     KE4TJC    28^D
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Author: Ray Stell
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Received on Tue Sep 04 2001 - 03:00:22 CDT

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