初次配置LVS+Keepalived,
vip:172.16.10.8
dr2:172.16.10.9 BACKUP
dr1:172.16.10.10 MASTER
rip1:172.16.10.11
rip2:172.16.10.12
已上IP可以互PING通
配置文件如下:
[root@DR1 keepalived]# cat keepalived.conf
! Configuration File for keepalived
global_defs {
notification_email {
acassen@firewall.loc
failover@firewall.loc
sysadmin@firewall.loc
}
notification_email_from Alexandre.Cassen@firewall.loc
smtp_server 172.16.10.1
smtp_connect_timeout 30
router_id LVS_DEVEL
}
vrrp_instance VI_1 {
state MASTER
interface eth2
virtual_router_id 51
priority 100
advert_int 1
authentication {
auth_type PASS
auth_pass 1111
}
virtual_ipaddress {
172.16.10.8
}
}
virtual_server 172.16.10.8 80 {
delay_loop 6
lb_algo wlc
lb_kind DR
nat_mask 255.255.255.0
persistence_timeout 50
protocol TCP
real_server 172.16.10.11 80 {
weight 2
TCP_CHECK{
connect_timeout 3
nb_get_retry 3
delay_before_retry 3
connect_port 80
}
}
real_server 172.16.10.12 80 {
weight 4
TCP_CHECK{
connect_timeout 3
nb_get_retry 3
delay_before_retry 3
connect_port 80
}
}
}
[root@DR1 keepalived]#
keepalived启动正常,但是只有一个真实主机可以被成功添加。
[root@DR1 keepalived]# ipvsadm -Ln
IP Virtual Server version 1.2.1 (size=4096)
Prot LocalAddressort Scheduler Flags
-> RemoteAddressort Forward Weight ActiveConn InActConn
TCP 172.16.10.8:80 wlc persistent 50
-> 172.16.10.11:80 Route 1 0 0
[root@DR1 keepalived]#
最终的问题在:
TCP_CHECK{
connect_timeout 3
nb_get_retry 3
delay_before_retry 3
connect_port 80
}
CHECK后面必须有空格!
CHECK后面必须有空格!
CHECK后面必须有空格!
重要的事情说三遍!!!!!!
TCP_CHECK {
connect_timeout 3
nb_get_retry 3
delay_before_retry 3
connect_port 80
}
vip:172.16.10.8
dr2:172.16.10.9 BACKUP
dr1:172.16.10.10 MASTER
rip1:172.16.10.11
rip2:172.16.10.12
已上IP可以互PING通
配置文件如下:
[root@DR1 keepalived]# cat keepalived.conf
! Configuration File for keepalived
global_defs {
notification_email {
acassen@firewall.loc
failover@firewall.loc
sysadmin@firewall.loc
}
notification_email_from Alexandre.Cassen@firewall.loc
smtp_server 172.16.10.1
smtp_connect_timeout 30
router_id LVS_DEVEL
}
vrrp_instance VI_1 {
state MASTER
interface eth2
virtual_router_id 51
priority 100
advert_int 1
authentication {
auth_type PASS
auth_pass 1111
}
virtual_ipaddress {
172.16.10.8
}
}
virtual_server 172.16.10.8 80 {
delay_loop 6
lb_algo wlc
lb_kind DR
nat_mask 255.255.255.0
persistence_timeout 50
protocol TCP
real_server 172.16.10.11 80 {
weight 2
TCP_CHECK{
connect_timeout 3
nb_get_retry 3
delay_before_retry 3
connect_port 80
}
}
real_server 172.16.10.12 80 {
weight 4
TCP_CHECK{
connect_timeout 3
nb_get_retry 3
delay_before_retry 3
connect_port 80
}
}
}
[root@DR1 keepalived]#
keepalived启动正常,但是只有一个真实主机可以被成功添加。
[root@DR1 keepalived]# ipvsadm -Ln
IP Virtual Server version 1.2.1 (size=4096)
Prot LocalAddressort Scheduler Flags
-> RemoteAddressort Forward Weight ActiveConn InActConn
TCP 172.16.10.8:80 wlc persistent 50
-> 172.16.10.11:80 Route 1 0 0
[root@DR1 keepalived]#
最终的问题在:
TCP_CHECK{
connect_timeout 3
nb_get_retry 3
delay_before_retry 3
connect_port 80
}
CHECK后面必须有空格!
CHECK后面必须有空格!
CHECK后面必须有空格!
重要的事情说三遍!!!!!!
TCP_CHECK {
connect_timeout 3
nb_get_retry 3
delay_before_retry 3
connect_port 80
}
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