keepalived生不成虚拟IP是原因

snjatid

! Configuration File for keepalived

vrrp_instance VI_1 {
    state MASTER
    interface ens33
    virtual_router_id 51
    priority 100
    advert_int 1
    authentication {
        auth_type PASS
        auth_pass 1111
    }
    virtual_ipaddress {
        192.168.168.136
    }
}

virtual_server 192.168.168.136 80 {
    delay_loop 6
    lb_algo rr
    lb_kind DR
    persistence_timeout 0
    protocol TCP

    real_server 192.168.168.8 80 {
        weight 1
        TCP_CHECK {
            connect_timeout 10
            nb_get_retry 3
            delay_before_retry 3
            # connect_port 80
        }
    }

    real_server 192.168.168.25 80 {
        weight 1
        TCP_CHECK {
            connect_timeout 10
            nb_get_retry 3
            delay_before_retry 3
          # connect_port 8088
        }
    }
}

[root@localhost /]# ifconfig
ens33: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 192.168.168.137  netmask 255.255.255.0  broadcast 192.168.168.255
        inet6 fe80::e0d2:5a93:aa83:5696  prefixlen 64  scopeid 0x20<link>
        ether 00:0c:29:ac:ea:d4  txqueuelen 1000  (Ethernet)
        RX packets 151328  bytes 18307862 (17.4 MiB)
        RX errors 0  dropped 348  overruns 0  frame 0
        TX packets 9049  bytes 758033 (740.2 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

snjatid

Apr  2 14:45:28 localhost Keepalived[5939]: VRRP child process(15327) died: Respawning
Apr  2 14:45:28 localhost Keepalived[5939]: VRRP child process(1532 died: Respawning
Apr  2 14:45:28 localhost Keepalived[5939]: VRRP child process(15329) died: Respawning
Apr  2 14:45:28 localhost Keepalived[5939]: VRRP child process(15330) died: Respawning
Apr  2 14:45:28 localhost Keepalived[5939]: VRRP child process(15331) died: Respawning
Apr  2 14:45:28 localhost Keepalived[5939]: VRRP child process(15332) died: Respawning
Apr  2 14:45:28 localhost Keepalived[5939]: VRRP child process(15333) died: Respawning
Apr  2 14:45:28 localhost kernel: show_signal_msg: 337 callbacks suppressed
Apr  2 14:45:28 localhost kernel: keepalived[15334]: segfault at 0 ip           (null) sp 00007ffe6f912da8 error 14 in libnss_files-2.17.so[7f0f45841000+c000]
Apr  2 14:45:28 localhost Keepalived[5939]: VRRP child process(15334) died: Respawning
Apr  2 14:45:28 localhost kernel: keepalived[15335]: segfault at 0 ip           (null) sp 00007ffe6f912da8 error 14 in libnss_files-2.17.so[7f0f45841000+c000]
Apr  2 14:45:28 localhost Keepalived[5939]: VRRP child process(15335) died: Respawning
Apr  2 14:45:28 localhost kernel: keepalived[15336]: segfault at 0 ip           (null) sp 00007ffe6f912da8 error 14 in libnss_files-2.17.so[7f0f45841000+c000]
Apr  2 14:45:28 localhost Keepalived[5939]: VRRP child process(15336) died: Respawning
Apr  2 14:45:28 localhost kernel: keepalived[15337]: segfault at 0 ip           (null) sp 00007ffe6f912da8 error 14 in libnss_files-2.17.so[7f0f45841000+c000]
Apr  2 14:45:28 localhost Keepalived[5939]: VRRP child process(15337) died: Respawning
Apr  2 14:45:28 localhost kernel: keepalived[15338]: segfault at 0 ip           (null) sp 00007ffe6f912da8 error 14 in libnss_files-2.17.so[7f0f45841000+c000]
Apr  2 14:45:28 localhost Keepalived[5939]: VRRP child process(1533 died: Respawning
Apr  2 14:45:28 localhost kernel: keepalived[15339]: segfault at 0 ip           (null) sp 00007ffe6f912da8 error 14 in libnss_files-2.17.so[7f0f45841000+c000]
Apr  2 14:45:28 localhost Keepalived[5939]: VRRP child process(15339) died: Respawning
Apr  2 14:45:28 localhost kernel: keepalived[15340]: segfault at 0 ip           (null) sp 00007ffe6f912da8 error 14 in libnss_files-2.17.so[7f0f45841000+c000]
Apr  2 14:45:28 localhost Keepalived[5939]: VRRP child process(15340) died: Respawning
Apr  2 14:45:28 localhost kernel: keepalived[15341]: segfault at 0 ip           (null) sp 00007ffe6f912da8 error 14 in libnss_files-2.17.so[7f0f45841000+c000]
Apr  2 14:45:28 localhost Keepalived[5939]: VRRP child process(15341) died: Respawning
Apr  2 14:45:28 localhost kernel: keepalived[15342]: segfault at 0 ip           (null) sp 00007ffe6f912da8 error 14 in libnss_files-2.17.so[7f0f45841000+c000]
Apr  2 14:45:28 localhost Keepalived[5939]: VRRP child process(15342) died: Respawning
Apr  2 14:45:28 localhost kernel: keepalived[15343]: segfault at 0 ip           (null) sp 00007ffe6f912da8 error 14 in libnss_files-2.17.so[7f0f45841000+c000]

夏寥寥

回复 1# snjatid

我最近搭建MySQL双主互备+Keepalived时也出现过你这个疑问。在我搭建完之后，发现通过ifconfig确实没找到虚拟IP的信息，但我是能够ping通这个IP的。

觉得你可以尝试ping一下这个虚拟IP，如果能ping通，说明虚拟IP能用了。