======IBM Edge components - load balancer======

dscontrol ... ovladaci centrum

====nejaka procedura:====
<code>
Note: modifier le Backup avant le Primaire.

goIdle in HA mode not usefull

goActive
add the line
	ifconfig eth0:3 129.35.162.226 netmask 255.255.255.224 up

goInOp
add the line
	ifconfig eth0:3 down

goStandby
add the line
	ifconfig eth0:3 down

vi /etc/hosts
add the following lines
129.35.162.227  ews01
129.35.162.228  ews02
129.35.162.229  ews03
129.35.162.230  ews04

vi /etc/init.d/loadbalancer

add the following lines
        arp -s 129.35.162.227 00:11:25:8C:82:0D
        arp -s 129.35.162.228 00:11:25:8C:82:ED
        arp -s 129.35.162.229 00:11:25:8C:81:A3
        arp -s 129.35.162.230 00:11:25:8C:81:93



dscontrol cluster add vip4 address 129.35.162.226 primaryhost 129.35.162.243
dscontrol cluster set vip4 proportions 49 50 1 0

dscontrol port add vip4:80 reset no
dscontrol port set vip4:80 stickytime 14400

dscontrol server add vip4:80:ews04 address 129.35.162.230
dscontrol server add vip4:80:ews03 address 129.35.162.229
dscontrol server add vip4:80:ews02 address 129.35.162.228
dscontrol server add vip4:80:ews01 address 129.35.162.227

dscontrol port add vip4:443 reset no
dscontrol port set vip4:443 stickytime 14400
dscontrol server add vip4:443:ews04 address 129.35.162.230
dscontrol server add vip4:443:ews03 address 129.35.162.229
dscontrol server add vip4:443:ews02 address 129.35.162.228
dscontrol server add vip4:443:ews01 address 129.35.162.227

dscontrol port add vip4:8080 reset no
dscontrol port set vip4:8080 stickytime 14400
dscontrol server add vip4:8080:ews04 address 129.35.162.230
dscontrol server add vip4:8080:ews03 address 129.35.162.229
dscontrol server add vip4:8080:ews02 address 129.35.162.228
dscontrol server add vip4:8080:ews01 address 129.35.162.227

dscontrol advisor start Http 8080 InternalAccess_8080.log

dscontrol  file save default.cfg force

SUR le Edge actif uniquement, executer la commande suivante pour monter la VIP4
ifconfig eth0:3 129.35.162.226 netmask 255.255.255.224 up

Commands & Updates HTTP servers:
Comme la carte physique est partagee avec le flux d'une autre IP virtuelle, la commande iptables a ete modifiee comme suit:
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