On Mon, 2 Jul 2007, Nick Stephens wrote:
> Hi all,
>
> I have setup a test environment for determining if VLS would be a good
LVS
> CentOS 5 server setup [weblb.domain.com] as primary VLS router (no backup
> in the lab yet) with one external IP address (no internal) using Direct
> routing with IPTables marking port 80/443 traffic with "80"
hmm don't know what this last line means. Are you scheduling
LVS with fwmarks?
> 2 CentOS 5 webservers setup [web01 and web02] with one external IP each
> and IPTables setup for PREROUTING information.
it's best to try setting up an LVS without iptables, then
add the rules after it's working.
> When I create my intial connection to the VIP, it passes me correctly to
> one of the machines. However, if I shutdown apache on that box, or
> poweroff the machine entirely, I am never redirected to the online box,
> nor do any alarms go off.
>
> I am using the default monitoring script included,
there's a million distros out there and you must excuse me
if I have no idea what the default script for yours is.
> and I can see it opening port 80 on both web01 and web02
> (by looking at apache access logs), but it doesn't seem to
> want to fail over. Furthermore, if I manually go in and
> deactivate a Real Server, it still continues to try to
> send traffic to it.
>
> I have looked around on Redhat's site and the web for
> general debugging and troubleshooting guides, but I am at
> a bit of a loss. Does anyone have any suggestions on
> where to start looking?
How about in the LVS HOWTOs
Joe
--
Joseph Mack NA3T EME(B,D), FM05lw North Carolina
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