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Thankyou very much Graham. I cannot change the ip right now (actually I'm
using that box as a mail server), but as soon as I have another one at my
disposal, I'll let you know If that worked for me. Thanks a lot.
El Jueves, 6 de Octubre de 2005 12:15, Graham David Purcocks M.A.(Oxon.)
escribió:
> First your english is as good as mine. If you hadn't had said I would
> never have known.
>
> I think its because with LVS-DR the Real servers IP have to be on the
> same net address. If you can change it to a 10.2.1.0 address and try
> that.
>
> Graham
>
> On Thu, 2005-10-06 at 12:24, acanada wrote:
> > Hi! I'm new here. I'm trying to build a lvs cluster for testing purposes.
> > If it works fine I'll try to set up a real one, but by the moment I
> > cannot aspire to good boxes. So there's my configuration:
> >
> > 2 directors:
> > director server 10.2.1.43(Debian. VIP: 10.2.1.41)
> > backup server 10.2.1.67(Debian. VIP: 10.2.1.41)
> > using heartbeat (linked by only one way 10.2.1.0 by the moment because
> > I'm just testing).
> > 2 real servers:
> > -realserver1: 10.2.1.38/255.255.254.0 (suse 9.2)
> > -realserver2: 10.5.1.61/255.255.254.0 (fedora core)
> > both with apache servers.
> > I'm using ldirectord on both directors with this configuration file
> > in /etc/ha.d/conf/ldirectordconfig.conf:
> > checktimeout=20
> > checkinterval=5
> > autoreload=yes
> > quiescent=no
> > logfile="info"
> > virtual=10.2.1.41:80
> > real=10.5.1.61:80 gate 1 ".healthcheck.html", "OK"
> > real=10.2.1.38:80 gate 1 ".healthcheck.html", "OK"
> > service=http
> > checkport=80
> > protocol=tcp
> > scheduler=wrr
> > checktype=negotiate
> > fallback=127.0.0.1:80
> >
> > In the real servers I run an init script like this one:
> > #!/bin/bash
> > VIP=10.2.1.41
> > host=`/bin/hostname`
> > case "$1" in
> > start)
> > # Start LVS-DR real server on this machine.
> > /sbin/ifconfig lo down
> > /sbin/ifconfig lo up
> > echo 1 > /proc/sys/net/ipv4/conf/lo/arp_ignore
> > echo 2 > /proc/sys/net/ipv4/conf/lo/arp_announce
> > echo 1 > /proc/sys/net/ipv4/conf/all/arp_ignore
> > echo 2 > /proc/sys/net/ipv4/conf/all/arp_announce
> > /sbin/ifconfig lo:0 $VIP netmask 255.255.255.255 up
> > /sbin/route add -host $VIP dev lo:0
> > ;;
> > stop)
> > # Stop LVS-DR real server loopback device(s).
> > /sbin/ifconfig lo:0 down
> > echo 0 > /proc/sys/net/ipv4/conf/lo/arp_ignore
> > echo 0 > /proc/sys/net/ipv4/conf/lo/arp_announce
> > echo 0 > /proc/sys/net/ipv4/conf/all/arp_ignore
> > echo 0 > /proc/sys/net/ipv4/conf/all/arp_announce
> >
> > ;;
> > status)
> > # Status of LVS-DR real server.
> > islothere=`/sbin/ifconfig lo:0 | grep $VIP`
> > isrothere=`netstat -rn | grep "lo:0" | grep $VIP`
> > if [ ! "$islothere" -o ! "isrothere" ];then
> > # Either the route or the lo:0 device
> > # not found.
> > echo "LVS-DR real server Stopped."
> > else
> > echo "LVS-DR Running."
> > fi
> > ;;
> > *)
> > # Invalid entry.
> > echo "$0: Usage: $0 {start|status|stop}"
> > exit 1
> > ;;
> > esac
> >
> > OK.
> > The first time I make lynx 10.2.1.41, it works and I receive a
> > "realserver1.html" confirmating that everything is alright. But the
> > second time, when it's suposed to receive "realserver2.html"
> > confirmation, I just get a
> > Looking up 10.2.1.41
> > Making HTTP connection to 10.2.1.41
> > Alert!: Unable to connect to remote host.
> > lynx: Can't access startfile http://10.2.1.41/
> >
> > Of course the next time it works find cause it's to work on a round robin
> > basis.
> > is it maybe because I'm trying to get the pages from 10.2.1.59 (the same
> > subnet as director and realservers??
> > How can I test if it's load balancing if I haven't got a switch to put
> > the realservers and the directors on different net?
> > Sure I'm asking a very easy (and stupid) question but I don't know how to
> > follow.
> > Sorry for my english (I'm spanish), and thanks in advance!
> >
> > Andrés.
> >
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