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Re: Problem using fwmark-services

To: "LinuxVirtualServer.org users mailing list." <lvs-users@xxxxxxxxxxxxxxxxxxxxxx>
Subject: Re: Problem using fwmark-services
From: Roberto Nibali <ratz@xxxxxxxxxxxx>
Date: Thu, 09 Mar 2006 20:59:37 +0100
>dmidecode output should be enough, however P4 is not 64bit, only has PAE for 36bit memory addressing and probably EMT64.

I've attached the gziped output of dmicode

It did not get to my side of the world.

>Is there a particular reason you need 2.6 kernel for your director setup? The way to compile kernel did not really change that much. Try:
 >make menuconfig
 >make
 >This will generate you a vmlinux, modules and bzImage.
>Use 'make help' to get an information on how to properly install your kernel or do other funky things in your kernel source tree.

It wasn't that easy due to the udev change plus the fact that SATA drives makes things changing ...

I see.

>>>Also please set the debug level in /proc/.../vs/ to 5 or so and dump the kernlog entries here for the
 >>> setup and one request please.

I did, please see the complete report of my new setup:

lvs2:~# uname -r
2.6.15.4
lvs2:~# modprobe ip_vs
lvs2:~# lsmod
Module                  Size  Used by
ip_vs_wrr               3872  2
ipt_MARK                2528  1
iptable_mangle          2912  1
ip_tables              23456  2 ipt_MARK,iptable_mangle
ip_vs                 106240  4 ip_vs_wrr

lvs2:~# less lvsinit
#!/bin/bash  #lvsinit testscript
echo "0" > /proc/sys/net/ipv4/ip_forward
echo "1" > /proc/sys/net/ipv4/conf/all/send_redirects
echo "1" > /proc/sys/net/ipv4/conf/default/send_redirects
echo "1" > /proc/sys/net/ipv4/conf/eth0/send_redirects
/sbin/iptables -F -t mangle
/sbin/iptables -t mangle -A PREROUTING -p tcp -s 10.0.1.0/24 -d 10.0.1.232/32 --dport 80 -j MARK --set-mark 4
ifconfig eth0:0 10.0.1.232 broadcast 10.0.1.232 netmask 255.255.255.255
route add -host 10.0.1.232 dev eth0:0
ipvsadm -C
ipvsadm -A -f 4 -s wrr -p 3600
ipvsadm -a -f 4 -r 10.0.1.33 -g -w 100
ipvsadm -a -f 4 -r 10.0.1.30 -g -w 100
/sbin/ipvsadm -A -t 10.0.1.232:7000 -s wrr -p 3600
/sbin/ipvsadm -a -t 10.0.1.232:7000 -r 10.0.1.30 -g -w 10
/sbin/ipvsadm -a -t 10.0.1.232:7000 -r 10.0.1.33 -g -w 10

=> after a test request: from 10.0.1.62

lvs2:~# ipvsadm -Lcn
IPVS connection entries
pro expire state       source             virtual            destination
TCP 14:55  ESTABLISHED 10.0.1.62:3558     10.0.1.232:80      10.0.1.30:80
IP  59:53  ERR!        10.0.1.62:0        0.0.0.4:0          10.0.1.30:0

lvs2:~# less /var/log/kern.log
Mar  9 18:38:44 lvs2 kernel: IPVS: Registered protocols (TCP, UDP, AH, ESP)
Mar 9 18:38:44 lvs2 kernel: IPVS: Connection hash table configured (size=4096, memory=32Kbytes) Mar 9 18:38:44 lvs2 kernel: IPVS: Each connection entry needs 116 bytes at least
Mar  9 18:38:45 lvs2 kernel: IPVS: ipvs loaded.
Mar  9 18:39:38 lvs2 kernel: ip_tables: (C) 2000-2002 Netfilter core team
Mar 9 18:39:39 lvs2 kernel: IPVS: ip_vs_sched_getbyname(): sched_name "wrr" Mar 9 18:39:39 lvs2 kernel: IPVS: ip_vs_sched_getbyname(): sched_name "wrr"
Mar  9 18:39:39 lvs2 kernel: IPVS: [wrr] scheduler registered.
Mar 9 18:39:39 lvs2 kernel: IPVS: ip_vs_sched_getbyname(): sched_name "wrr" Mar 9 18:39:39 lvs2 kernel: Enter: ip_vs_add_dest, net/ipv4/ipvs/ip_vs_ctl.c line 778 Mar 9 18:39:39 lvs2 kernel: Enter: ip_vs_new_dest, net/ipv4/ipvs/ip_vs_ctl.c line 729 Mar 9 18:39:39 lvs2 kernel: Leave: ip_vs_new_dest, net/ipv4/ipvs/ip_vs_ctl.c line 762 Mar 9 18:39:39 lvs2 kernel: Leave: ip_vs_add_dest, net/ipv4/ipvs/ip_vs_ctl.c line 867 Mar 9 18:39:39 lvs2 kernel: Enter: ip_vs_add_dest, net/ipv4/ipvs/ip_vs_ctl.c line 778 Mar 9 18:39:39 lvs2 kernel: Enter: ip_vs_new_dest, net/ipv4/ipvs/ip_vs_ctl.c line 729 Mar 9 18:39:39 lvs2 kernel: Leave: ip_vs_new_dest, net/ipv4/ipvs/ip_vs_ctl.c line 762 Mar 9 18:39:39 lvs2 kernel: Leave: ip_vs_add_dest, net/ipv4/ipvs/ip_vs_ctl.c line 867 Mar 9 18:39:39 lvs2 kernel: IPVS: ip_vs_sched_getbyname(): sched_name "wrr" Mar 9 18:39:39 lvs2 kernel: Enter: ip_vs_add_dest, net/ipv4/ipvs/ip_vs_ctl.c line 778 Mar 9 18:39:39 lvs2 kernel: Enter: ip_vs_new_dest, net/ipv4/ipvs/ip_vs_ctl.c line 729 Mar 9 18:39:39 lvs2 kernel: Leave: ip_vs_new_dest, net/ipv4/ipvs/ip_vs_ctl.c line 762 Mar 9 18:39:39 lvs2 kernel: Leave: ip_vs_add_dest, net/ipv4/ipvs/ip_vs_ctl.c line 867 Mar 9 18:39:39 lvs2 kernel: Enter: ip_vs_add_dest, net/ipv4/ipvs/ip_vs_ctl.c line 778 Mar 9 18:39:39 lvs2 kernel: Enter: ip_vs_new_dest, net/ipv4/ipvs/ip_vs_ctl.c line 729 Mar 9 18:39:39 lvs2 kernel: Leave: ip_vs_new_dest, net/ipv4/ipvs/ip_vs_ctl.c line 762 Mar 9 18:39:39 lvs2 kernel: Leave: ip_vs_add_dest, net/ipv4/ipvs/ip_vs_ctl.c line 867

Darn, something is really phishy here ...

Regards,
Roberto Nibali, ratz
--
echo '[q]sa[ln0=aln256%Pln256/snlbx]sb3135071790101768542287578439snlbxq' | dc

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