[lvs-users] 2 Quick Questions

To: " users mailing list." <lvs-users@xxxxxxxxxxxxxxxxxxxxxx>
Subject: [lvs-users] 2 Quick Questions
From: "Robinson, Eric" <eric.robinson@xxxxxxxxxx>
Date: Tue, 30 Oct 2007 08:09:18 -0800
I have a 2-node Linux-HA active/passive cluster running as an LVS-nat
load balancer with ldirectord. Each node has a physical IP address. The
active cluster node also has a virtual IP address that gets taken over
by the other node in the event of a primary node failure. The LVS
virtual servers are all bound to the virtual IP.

1. I've notice that when ldirectord checks to see whether RealServers
are up, it uses the node's physical IP address as the source. This
complicates our business partner VPN configs. Is there a way to make it
use the virtual IP address instead?

2. Is there a hard limit to the number of virtual servers? Right now I'm
running 50-60 of them and the LVS machine is not working especially
hard. It's using about 500MB RAM and runs at less than 10% average CPU.

Eric Robinson

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