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Re: Topologies Questions

To: lvs-users@xxxxxxxxxxxxxxxxxxxxxx
Subject: Re: Topologies Questions
From: Andy Gussie <andy.gussie@xxxxxxxxxxxxxxxxxxxxxxx>
Date: Wed, 14 Mar 2001 09:23:41 -0500
Matthieu MARC wrote:
Hi Everybody,

I have a problem with network HA architecture, and I want to have your
feeling.

I have two web server (W1 and W2), the two one have public IP.  My goal
is to add high availibity between this two server.

Here the network :

INTERNET

                                                     SWITCH
SWITCH
                                                         |
\         /          |
                                                         |
\   /             |
                                                         |
X              |
                                                         |
/    \            |
                                                         |
/          \         |
                                                        WEB 1
WEB 2

The problem I have are :

    - I can't change public IP to private IP (for web1 et web2)
    - I can't add a box between the switches and the web servers

My idea is to add LVS on WEB1. The request will arrive to web1 which
will load-balancing it between him-self and web2. (is it possible?).
The problem is, if web1 crash, there are lots a chance that lvs will
crash too. So request are lost. So my second idea, is to add monitor on
web2 so that if web1 crash, web2 reconfigure it-self like web1 (same
IP).

I think that LVS-DR is the right method for LVS.

Is someone found mistake on my idea ? Is someone have already done that
or have another better solution ?

Best Regards,

Matthieu MARC
matthieu.marc@xxxxxxxxxx

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For failover all you need is the heartbeat code, not LVS. LVS is for providing a virtual service.
-- 


Andy Gussie
Network Administrator
eFruit International, Inc.
7380 Sandlake Rd Suite 400
Orlando FL, 32819
Ph: 407-352-8081 Fax: 407-352-8085
mailto:andy.gussie@xxxxxxxxxxxxxxxxxxxxxxx
http://www.efruitinternational.com
 

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