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Re: Mixed Configuration (Linux - Load Balancer, Solaris - Real Server)

To: "LinuxVirtualServer.org users mailing list." <lvs-users@xxxxxxxxxxxxxxxxxxxxxx>
Subject: Re: Mixed Configuration (Linux - Load Balancer, Solaris - Real Server)
From: Horms <horms@xxxxxxxxxxxx>
Date: Thu, 4 Aug 2005 16:52:02 +0900
On Fri, Jul 08, 2005 at 12:10:06PM -0600, kwijibo@xxxxxxxxxx wrote:
> Sanjay Chadha wrote:
> >Is it possible to have a Solaris machine as a Real server (member of the
> >load balanced cluster) i.e. What changes, if any are required for (example 
> >a
> >Solaris) machine to be part of the load balance cluster as a Real server.
> 
> Well, you don't say what type of LVS you are using
> but it should work with any of them anyway.  Since
> Solaris honors the -arp flag with ifconfig it should
> be easier then setting up a Linux real server.

For the record, its not about honoring the -arp flag or not.
The problem lies in weather or not the OS regards addresses
as beloning to interfaces, or as belonging to hosts.
Both are valid. Linux adopts the latter, which turns out
to work really well in most situations. LVS is a
rare case where it doesn't. This has been painful
in the past, but since arp_ignore and arp_announce were
added, its quite easy now.

-- 
Horms

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