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Re: Should the Virtual IP shutdown when all real servers are dead?

To: "LinuxVirtualServer.org users mailing list." <lvs-users@xxxxxxxxxxxxxxxxxxxxxx>, jwu@xxxxxxxxxx
Subject: Re: Should the Virtual IP shutdown when all real servers are dead?
From: Joseph Mack <mack.joseph@xxxxxxx>
Date: Thu, 20 Mar 2003 07:02:54 -0500
"Johnson L. Wu" wrote:
> 
>  Greetings,
> 
>  I have a config where:
> 
>  2 LVS directors are setup as an HA pair.
> 
>  LVS-A(MASTER) has real servers R1 and R2
>  LVS-B(BACKUP) has real servers R1, R2, and R3
> 
>  When both R1 and R2 go down, I see LVS-A generate an email notifying
>  the realservers being DOWN.  However, LVS-B does not assume MASTER
>  until someone unplugs the ethernet of LVS-A or simply powers down LVS-A.

The HA failover only occurs when the director fails.

>  I wonder if there is a supported config for the master to tell the backup
>  to assume active once all it's realservers fail.

presumably you'd have to down the ethernet of A when A detects that both
realservers are down.

Joe

-- 
Joseph Mack PhD, Senior Systems Engineer, SAIC contractor 
to the National Environmental Supercomputer Center, 
ph# 919-541-0007, RTP, NC, USA. mailto:mack.joseph@xxxxxxx
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