Re: [squid-users] squid and high availability

From: Marcos Dutra <macdutra_at_gmail.com>
Date: Mon, 1 Sep 2008 14:19:13 -0300

Hi Jakob,

I need leave two squid's running because my setup with squid +AD auth
cannot run more than 1200 connections, then I want put two server to
failover and balance connections, is it possible?
Remember isnīt proxy reverse, is a proxy with ad auth and acl by group of AD.

Thanks for advice.
Marcos

2008/9/1 Jakob Curdes <jc_at_info-systems.de>:
> Jeff Peng wrote:
>> Hi Henrik,
>>
>> We also use LVS + Squid setup.
>> But what I want to know is, if we have only two squid for reverse proxy,
>> can we setup only heartbeat for HA? (I mean don't use LVS).
>> Thanks again.
>>
>>
> If you just want to have a failover and the cache content is not that
> important you can just leave the two squid's running and just migrate
> the IP addresses using heartbeat.
>
> To do that, you need an extra internal and an extra external address
> that is not used by one of the systems. You then tell HA to use these
> addresses. You two servers, connected by a serial cable and/or a
> dedicated ethernet connection, decide on which server it runs the IPs.
> If you restrict yourself to migrating IPs you should be able to
> configure such a setup using the tutorials on linux-ha.org. But I advise
> again to use a test setup for this as you _will_ make initial
> configuration errors and you are playing with your internet access. It
> does not make sense to post HA configs here as a) we go offtopic and b)
> the HA config files (XML) are never edited directly, but managed by CLI
> tools or a GUI.
>
Received on Mon Sep 01 2008 - 17:19:17 MDT

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