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On Tue, Oct 14, 2003 at 05:32:09PM +0800, Oliver wrote:
> I'm trying to do a simple Load Balancing Cluster with Redhat-9.0 using
> keepalived and ipvsadm for failover and unison for data replication. My
> setup looks like this
>
>
>
> local network ------LVS Server--------- INTERNET
> (10.0.0.0) | 172.12.154.4
> | (192.168.0.0)
> |
> ------------------------------
> | | | |
> | | | |
> | | | |
> SMTP POP FTP BACKUP
> (.110) (.111) (.112) (.113)
>
> LVS External interface (eth0): 172.12.154.4
> External VIP of smtp realserver: 172.12.154.6
> External VIP of pop realserver: 172.12.154.7
> External VIP of ftp realserver: 172.12.154.8
> LVS Internal interface (eth1): 10.0.0.2
> Internal VIP of smtp realserver: 10.0.0.11
> Internal VIP of smtp realserver: 10.0.0.12
> Internal VIP of smtp realserver: 10.0.0.13
>
>
> Apparently, My LVS server has 3 ethernets. 1 for internet; 1 for local
> network; and another one for the real servers. Now I want that backup
> server (192.168.0.114) to handle failover and replication once any of
> the three (smtp, pop and ftp) servers is down. I've tested the ftp first
> and configured my keepalived as what ipvsadm shows below
>
>
> TCP 172.12.154.8:ftp rr
> -> 192.168.0.112:ssh Masq 1 0 0
> -> 192.168.0.113:ssh Masq 1 0 1
>
> I also added into my iptables rules as:
>
> iptables -t nat -A PREROUTING -d INT_VIP_OF_FTP -p tcp --dport 21 -j
> DNAT --to-destination IP_OF_FTP
>
> iptables -t nat -A POSTROUTING -o eth0 -s 192.168.0.0/24 -j MASQUERADE
>
>
>
> I've test it by simple killing the ftp service from ftp server. If i
> connect from a remote pc connected fro local network (10.0.0.X), it
> worked just fine but when I connect from a remote pc from outside
> network, it can't! What supposed to be the problem here? Did i miss
> something?
insmod ip_vs_ftp ?
--
Horms
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