keepalived + lvs 172.16.30.31 master 172.16.30.32 backup 172.16.30.10 vip 故障:监控显示keepalived master主机故障;通过ping查看vip存在。master重启以后,VIP漂移回master. 偶然间,重启master网卡发现,vip漂移backup以后,无法漂移回master;需重启master-keealived服务,VIP才可漂移回master. master: message May 9 10:47:06 sd3031 Keepalived_healthcheckers[31967]: Netlink reflector reports IP 172.16.30.31 removed May 9 10:47:06 sd3031 Keepalived_vrrp[31968]: Netlink reflector reports IP 172.16.30.31 removed May 9 10:47:06 sd3031 Keepalived_vrrp[31968]: Netlink reflector reports IP 172.16.30.10 removed May 9 10:47:06 sd3031 Keepalived_healthcheckers[31967]: Netlink reflector reports IP 172.16.30.10 removed May 9 10:47:06 sd3031 avahi-daemon[3924]: Withdrawing address record for 172.16.30.31 on eth0. May 9 10:47:06 sd3031 avahi-daemon[3924]: Leaving mDNS multicast group on interface eth0.IPv4 with address 172.16.30.31. May 9 10:47:06 sd3031 avahi-daemon[3924]: Joining mDNS multicast group on interface eth0.IPv4 with address 172.16.30.10. May 9 10:47:06 sd3031 avahi-daemon[3924]: IP_ADD_MEMBERSHIP failed: No such device May 9 10:47:06 sd3031 avahi-daemon[3924]: Withdrawing address record for 172.16.30.10 on eth0. May 9 10:47:06 sd3031 avahi-daemon[3924]: Interface eth0.IPv4 no longer relevant for mDNS. May 9 10:47:06 sd3031 kernel: bnx2 0000:0b:00.0: eth0: using MSIX May 9 10:47:06 sd3031 Keepalived_vrrp[31968]: Kernel is reporting: interface eth0 DOWN May 9 10:47:06 sd3031 Keepalived_vrrp[31968]: VRRP_Instance(VI_1) Entering FAULT STATE May 9 10:47:06 sd3031 Keepalived_vrrp[31968]: VRRP_Instance(VI_1) removing protocol VIPs. May 9 10:47:06 sd3031 Keepalived_vrrp[31968]: Netlink: error: Cannot assign requested address, type=(21), seq=1494298005, pid=0 May 9 10:47:06 sd3031 Keepalived_vrrp[31968]: VRRP_Instance(VI_1) Now in FAULT state May 9 10:47:07 sd3031 Keepalived_healthcheckers[31967]: TCP socket bind failed. Rescheduling. May 9 10:47:09 sd3031 kernel: bnx2 0000:0b:00.0: eth0: NIC Copper Link is Up, 1000 Mbps full duplex May 9 10:47:09 sd3031 Keepalived_healthcheckers[31967]: TCP socket bind failed. Rescheduling. May 9 10:47:09 sd3031 last message repeated 2 times May 9 10:47:10 sd3031 Keepalived_vrrp[31968]: Kernel is reporting: interface eth0 UP May 9 10:47:10 sd3031 Keepalived_vrrp[31968]: cant do IP_ADD_MEMBERSHIP errno=No such device (19) May 9 10:47:10 sd3031 Keepalived_vrrp[31968]: Netlink reflector reports IP 172.16.30.31 added May 9 10:47:10 sd3031 Keepalived_healthcheckers[31967]: Netlink reflector reports IP 172.16.30.31 added May 9 10:47:10 sd3031 avahi-daemon[3924]: New relevant interface eth0.IPv4 for mDNS. May 9 10:47:10 sd3031 avahi-daemon[3924]: Joining mDNS multicast group on interface eth0.IPv4 with address 172.16.30.31. May 9 10:47:10 sd3031 avahi-daemon[3924]: Registering new address record for 172.16.30.31 on eth0. master重启网卡以后,keepalived在eth0网卡up状态,但是未获取到ip地址的时候,无法进行组播。 出现异常 May 9 10:47:10 sd3031 Keepalived_vrrp[31968]: Kernel is reporting: interface eth0 UP May 9 10:47:10 sd3031 Keepalived_vrrp[31968]: cant do IP_ADD_MEMBERSHIP errno=No such device (19) May 9 10:47:10 sd3031 Keepalived_vrrp[31968]: Netlink reflector reports IP 172.16.30.31 added keepalived进行服务之间内部通信,需要网卡IP做支撑,此出,网卡未有IP,keepalived之间通信失败。 master与backup之间通信失败,导致vip未进行漂移。 修改了keepalived.conf vrrp_instance ** { advert_int 2 #修改此项,为keepalived之间组播间隔时间。 } 将默认1修改为2 重启master网卡 master_message.log May 9 11:03:30 sd3031 Keepalived_healthcheckers[5463]: Netlink reflector reports IP 172.16.30.31 removed May 9 11:03:30 sd3031 avahi-daemon[3924]: Withdrawing address record for 172.16.30.31 on eth0. May 9 11:03:30 sd3031 Keepalived_healthcheckers[5463]: Netlink reflector reports IP 172.16.30.10 removed May 9 11:03:30 sd3031 avahi-daemon[3924]: Leaving mDNS multicast group on interface eth0.IPv4 with address 172.16.30.31. May 9 11:03:30 sd3031 Keepalived_vrrp[5464]: Netlink reflector reports IP 172.16.30.31 removed May 9 11:03:30 sd3031 Keepalived_vrrp[5464]: Netlink reflector reports IP 172.16.30.10 removed May 9 11:03:30 sd3031 avahi-daemon[3924]: Joining mDNS multicast group on interface eth0.IPv4 with address 172.16.30.10. May 9 11:03:30 sd3031 avahi-daemon[3924]: IP_ADD_MEMBERSHIP failed: No such device May 9 11:03:30 sd3031 avahi-daemon[3924]: Withdrawing address record for 172.16.30.10 on eth0. May 9 11:03:30 sd3031 avahi-daemon[3924]: Interface eth0.IPv4 no longer relevant for mDNS. May 9 11:03:30 sd3031 Keepalived_vrrp[5464]: Kernel is reporting: interface eth0 DOWN May 9 11:03:30 sd3031 Keepalived_vrrp[5464]: VRRP_Instance(VI_1) Entering FAULT STATE May 9 11:03:30 sd3031 Keepalived_vrrp[5464]: VRRP_Instance(VI_1) removing protocol VIPs. May 9 11:03:30 sd3031 Keepalived_vrrp[5464]: Netlink: error: Cannot assign requested address, type=(21), seq=1494298989, pid=0 May 9 11:03:30 sd3031 Keepalived_vrrp[5464]: VRRP_Instance(VI_1) Now in FAULT state May 9 11:03:30 sd3031 kernel: bnx2 0000:0b:00.0: eth0: using MSIX May 9 11:03:32 sd3031 Keepalived_healthcheckers[5463]: TCP socket bind failed. Rescheduling. May 9 11:03:33 sd3031 kernel: bnx2 0000:0b:00.0: eth0: NIC Copper Link is Up, 1000 Mbps full duplex May 9 11:03:34 sd3031 Keepalived_healthcheckers[5463]: TCP socket bind failed. Rescheduling. May 9 11:03:34 sd3031 Keepalived_healthcheckers[5463]: TCP socket bind failed. Rescheduling. May 9 11:03:34 sd3031 Keepalived_healthcheckers[5463]: Netlink reflector reports IP 172.16.30.31 added May 9 11:03:34 sd3031 Keepalived_vrrp[5464]: Netlink reflector reports IP 172.16.30.31 added May 9 11:03:34 sd3031 avahi-daemon[3924]: New relevant interface eth0.IPv4 for mDNS. May 9 11:03:34 sd3031 avahi-daemon[3924]: Joining mDNS multicast group on interface eth0.IPv4 with address 172.16.30.31. May 9 11:03:35 sd3031 avahi-daemon[3924]: Registering new address record for 172.16.30.31 on eth0. May 9 11:03:37 sd3031 Keepalived_vrrp[5464]: Kernel is reporting: interface eth0 UP May 9 11:03:37 sd3031 Keepalived_vrrp[5464]: VRRP_Instance(VI_1) Transition to MASTER STATE May 9 11:03:37 sd3031 Keepalived_vrrp[5464]: VRRP_Instance(VI_1) Entering MASTER STATE May 9 11:03:37 sd3031 Keepalived_vrrp[5464]: VRRP_Instance(VI_1) setting protocol VIPs. May 9 11:03:37 sd3031 Keepalived_vrrp[5464]: VRRP_Instance(VI_1) Sending gratuitous ARPs on eth0 for 172.16.30.10 May 9 11:03:37 sd3031 Keepalived_healthcheckers[5463]: Netlink reflector reports IP 172.16.30.10 added May 9 11:03:37 sd3031 avahi-daemon[3924]: Registering new address record for 172.16.30.10 on eth0. May 9 11:03:37 sd3031 Keepalived_vrrp[5464]: Netlink reflector reports IP 172.16.30.10 added backup_message-log May 9 11:03:35 sd3032 Keepalived_vrrp[26277]: VRRP_Instance(VI_1) Transition to MASTER STATE May 9 11:03:35 sd3032 Keepalived_vrrp[26277]: VRRP_Instance(VI_1) Entering MASTER STATE May 9 11:03:35 sd3032 Keepalived_vrrp[26277]: VRRP_Instance(VI_1) setting protocol VIPs. May 9 11:03:35 sd3032 Keepalived_vrrp[26277]: VRRP_Instance(VI_1) Sending gratuitous ARPs on eth0 for 172.16.30.10 May 9 11:03:35 sd3032 Keepalived_vrrp[26277]: Netlink reflector reports IP 172.16.30.10 added May 9 11:03:35 sd3032 Keepalived_healthcheckers[26275]: Netlink reflector reports IP 172.16.30.10 added May 9 11:03:35 sd3032 avahi-daemon[3963]: Registering new address record for 172.16.30.10 on eth0. May 9 11:03:40 sd3032 Keepalived_vrrp[26277]: VRRP_Instance(VI_1) Sending gratuitous ARPs on eth0 for 172.16.30.10 May 9 11:04:05 sd3032 Keepalived_vrrp[26277]: VRRP_Instance(VI_1) Received higher prio advert May 9 11:04:05 sd3032 Keepalived_vrrp[26277]: VRRP_Instance(VI_1) Entering BACKUP STATE May 9 11:04:05 sd3032 Keepalived_vrrp[26277]: VRRP_Instance(VI_1) removing protocol VIPs. May 9 11:04:05 sd3032 Keepalived_healthcheckers[26275]: Netlink reflector reports IP 172.16.30.10 removed May 9 11:04:05 sd3032 Keepalived_vrrp[26277]: Netlink reflector reports IP 172.16.30.10 removed May 9 11:04:05 sd3032 avahi-daemon[3963]: Withdrawing address record for 172.16.30.10 on eth0. VIP正常漂移
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keepalived漂移VIP故障