Re: Using Cisco Ace for RAC VIP failover

From: Sriram Kumar <k.sriramkumar_at_gmail.com>
Date: Thu, 24 Jan 2013 14:56:11 +0530
Message-ID: <CAEq4C0e2q8ZNjYLwHLzJWin1CKtROC7p+KHFLPyhxjgOysrE2A_at_mail.gmail.com>

Hi,
you are better of having multiple address in tnsnames (primary VIP first , DR VIP next ) with FAILOVER clause so that DR VIP connection would be attempted only if primary VIP fails. In my opinion, having an extra layer is going to be a challenge to troubleshoot.

best regards

sriram kumar

On Tue, Jan 22, 2013 at 6:50 PM, Fm <fmhabash_at_gmail.com> wrote:

> Has anyone tried to use client-side failover using Ace modules (network
> layer). The clients are configured to hit a network IP that, in turn,
> forwards them to any of the 2 Oracle VIP's of the cluster. This is vs.
> having to rely on tnsnames. The idea here is to avoid having to reconfigure
> the clients in case of a failover to standby node in case of a DR situation.
> A quick search returned info on using his method with Oracle application
> suite, but nothing specific to a GI/RAC cluster.
> If yes, please share your experience. I'm having an issues where the app
> is sporadically throwing 'listener not found' errors.
>
>
> ---------------
> Thank you. --
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>
>
>

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Received on Thu Jan 24 2013 - 10:26:11 CET