I have a customer with a MS Sharepoint configuration using

contimeout 4000
clitimeout 3600000
srvtimeout 3600000

listen MOSS 10.11.12.6:80
bind 10.11.12.6:443,10.11.12.6:25
mode tcp
option tcplog
option persist
balance leastconn
stick-table type ip size 10240k expire 30m
stick on src
server ifesdcsps02 10.11.12.62 weight 0 check port 443 inter 2000 rise 2 fall 3
server ifesdcsps01 10.11.12.61 weight 1 check port 443 inter 2000 rise 2 fall 3
server backup 127.0.0.1:9081 backup
option redispatch
option abortonclose
maxconn 40000
log global


But he keeps on getting some clients randomly disconnect (usually
after about 10-15mins?)
The log just shows several SD (Server Disconnects) at the time of the probloem:

Mar 8 13:32:50 lbmaster haproxy[4269]: 10.11.13.28:49669
[08/Mar/2011:13:28:57.348] MOSS MOSS/ifesdcsps01 0/0/163085 196445 SD
268/6/6/6/0 0/0
Mar 8 13:32:50 lbmaster haproxy[4269]: 10.11.13.28:49681
[08/Mar/2011:13:29:30.769] MOSS MOSS/ifesdcsps01 0/1/129665 2491 SD
269/7/7/7/0 0/0
Mar 8 13:32:50 lbmaster haproxy[4269]: 10.11.13.28:49680
[08/Mar/2011:13:29:30.766] MOSS MOSS/ifesdcsps01 0/1/129668 2491 SD
270/8/8/8/0 0/0
Mar 8 13:32:50 lbmaster haproxy[4269]: 10.11.13.28:49679
[08/Mar/2011:13:29:30.756] MOSS MOSS/ifesdcsps01 0/0/129678 3415 SD
271/9/9/9/0 0/0

It may well be a server config / windows authentication issue but am I
missing something obvious in the log or the configuration?

Thanks very much in advance, this has puzzled me.

Ps. One of the servers is offline to remove any persistence issues
related to the problem.



--
Regards,

Malcolm Turnbull.

Loadbalancer.org Ltd.
Phone: +44 (0)870 443 8779
http://www.loadbalancer.org/

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