Re: WO Deploy for redundancy and IP failover
Re: WO Deploy for redundancy and IP failover
- Subject: Re: WO Deploy for redundancy and IP failover
- From: Maik Musall <email@hidden>
- Date: Thu, 02 Aug 2012 20:53:51 +0200
Hi,
Am 02.08.2012 um 20:27 schrieb Gino Pacitti:
> Could anyone help me plan the best set up for deployment of apps to deal with IP Failover and redundancy?
>
> Any one with some good experience to share as to server deployment scenario... Such as two servers mirrored or using XSan configuration to share drive..
We have dedicated load balancers with external IP addresses, which provide failover for each other, and forward requests to internal servers. The load balancers monitor availability of those servers and switch to backups automatically if any one is down.
Apps are usually several instances distributed among servers anyway. For single-instance apps, there is a standby server waiting, completely configured, with standby database, that we would manually switch over should the main server fail (which in itself is redundant hardware).
Simple advice: bring in redundancy where needed, but avoid introducing more hardware technologies as necessary.
Maik
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