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On Tue, Jan 09, 2007 at 11:01:26AM +0000, Brian Sheets wrote:
> I have 3 real servers running postfix and one server running UM in a DR config
>
> checktimeout=60
> checkinterval=30
> autoreload=no
> logfile="/var/log/ldirectord.log"
> #logfile="local0"
> quiescent=yes
>
> virtual=172.16.11.47:25
> real=172.16.11.44:25 gate
> real=172.16.11.45:25 gate
> real=172.16.11.46:25 gate
> # real=172.16.11.48:25 gate
> # real=172.16.11.50:25 gate
> protocol=tcp
> service=smtp
> checktype=connect
> scheduler=wlc
>
> IP Virtual Server version 1.2.0 (size=4096)
> Prot LocalAddress:Port Scheduler Flags
> -> RemoteAddress:Port Forward Weight ActiveConn InActConn
> TCP 172.16.11.47:25 wlc
> -> 172.16.11.44:25 Route 1 0 0
> -> 172.16.11.45:25 Route 1 0 0
> -> 172.16.11.46:25 Route 1 0 0
>
>
> I can make a connection to the VIP on port 25, and sometimes the
> connection lasts for a whole smtp chat, other times it doesn't, and
> then the connection is dropped and subsequent connections are refused.
>
> I can still telnet to the real server port 25's and an ipvsadm -L -n
> yields the above table.
>
> the only way I can get the service working again is to stop and start
> heartbeat and then of course it only works for one or part of one
> connection
>
> Can anyone help
Can you double check that you have handled the arp problem on
the real-servers. This is often the cause of woe on DR setups,
and one errant real-server responding to ARP for the VIP could
well explain this problem.
--
Horms
H: http://www.vergenet.net/~horms/
W: http://www.valinux.co.jp/en/
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