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Well I fixed the problem. It was indeed a silly mistake. I was
running "ipvsadm -A -t 10.0.3.3:80 -s rr" on both hosts so they were
fighting for the floating IP address! I now have it setup to follow
the ip address during failover with heartbeat.
Regards,
Doug
Doug Sisk wrote:
>
> Hi,
>
> I'm trying to implement a two box lvs cluster with failover.
> I'm very close to having this working. I have heartbeat installed
> and configured to use both lans with UDP. I test that the VIP (10.0.3.3)
> switches when I disconnect either server. They switch on a VIP of eth:0.
> I then moved on to the load balancing portion.
>
> This is what I have:
>
> client 10.0.3.5
> |
> |
> ------------------------- 10.0.3.0/24
> | |
> eth0 | 10.0.3.1 | 10.0.3.2
> box 1 box 2
> eth1 | 192.168.1.1 | 192.168.1.2
> | |
> -------------------------- 192.168.1.0/24
> (cross-over cable)
>
> Box 1 and 2 are both directors and servers.
>
> I'm using the latest 2.4.X patches (Apr 20th) and ipvsadm 1.17
> I installed the following on both boxes:
>
> ipvsadm -A -t 10.0.3.3:80 -s rr
> ipvsadm -a -t 10.0.3.3:80 -r 10.0.3.1:80 -g -w 1
> ipvsadm -a -t 10.0.3.3:80 -r 10.0.3.2:80 -g -w 1
>
> I have apache listening on 10.0.3.3 and setup different
> index pages so I could tell which real server I was hitting.
>
> I fired it up and it kinda works. It will switch back and forth
> a few times then hang. If I hit stop it will then work again
> a few more times. Looking at the activity LEDS on the hub I noticed
> they were on solid between the two boxes.
>
> I read as much as humanly possible of the HOWTO and figured it might
> have something to do with the "arp problem" so I added the "hidden"
> patch to both kernels, changed the VIP for the real servers to 10.0.3.4
> (left it 10.0.3.3 for the Directors/HeartBeat), and ifconfig'd dummy0
> on both boxes to 10.0.3.4, and turned hidden on in /proc/sys/net/...dummy0
>
> I still get the packet storm.
>
> I'm going to try to sniff the network and see what's going on but I'm
> rapidly approaching areas where I'm a total novice.
>
> I think there must be something stupid I'm doing ?
>
> Thanks,
> Doug
>
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