corosync的兩個節點離線

我看到了：這個問題。

192.168.2.0/24 - 帶 GW 的辦公網*。*.2.1

根據 Corosync 文件，如果本地介面是 192.168.5.67，網路遮罩為 255.255.255.0，請將 bindnetaddr 設置為 192.168.5.0。

corosync.conf

totem {
       version: 2
       crypto_cipher: none
       crypto_hash: none
       interface {
               ringnumber: 0
               bindnetaddr: 192.168.2.0
               mcastaddr: 239.255.1.1
               mcastport: 5405
               ttl: 1
       }
}
logging {
       fileline: off
       to_stderr: no
       to_logfile: yes
       logfile: /var/log/cluster/corosync.log
       to_syslog: yes
       debug: off
       timestamp: on
       logger_subsys {
               subsys: QUORUM
               debug: off
       }
}
quorum {
       provider: corosync_votequorum
}
service {
name: pacemaker
ver: 1
}
nodelist {
       node {
               ring0_addr: KVM-1
               nodeid: 1
       }
       node {
               ring0_addr: KVM-2
               nodeid: 2
       }
       node {
               ring0_addr: KVM-3
               nodeid: 3
       }
}

客戶關係管理狀態

Stack: corosync
Current DC: KVM-1 (version 1.1.13-10.el7_2.2-44eb2dd) - partition WITHOUT quorum
3 nodes and 0 resources configured

Online: [ KVM-1 ]
OFFLINE: [ KVM-2 KVM-3 ]

tcpdump 日誌

[oneadmin@KVM-1 corosync]$ sudo tcpdump -i ovs-br0 -n port 5405    
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on ovs-br0, link-type EN10MB (Ethernet), capture size 65535 bytes
20:17:15.561824 IP 192.168.2.67.hpoms-dps-lstn > 239.255.1.1.netsupport: UDP, length 87
20:17:15.864866 IP 192.168.2.67.hpoms-dps-lstn > 239.255.1.1.netsupport: UDP, length 87
20:17:16.167969 IP 192.168.2.67.hpoms-dps-lstn > 239.255.1.1.netsupport: UDP, length 87
20:17:16.471014 IP 192.168.2.67.hpoms-dps-lstn > 239.255.1.1.netsupport: UDP, length 87
20:17:16.774051 IP 192.168.2.67.hpoms-dps-lstn > 239.255.1.1.netsupport: UDP, length 87
20:17:17.077136 IP 192.168.2.67.hpoms-dps-lstn > 239.255.1.1.netsupport: UDP, length 87
20:17:17.380149 IP 192.168.2.67.hpoms-dps-lstn > 239.255.1.1.netsupport: UDP, length 87
20:17:17.683214 IP 192.168.2.67.hpoms-dps-lstn > 239.255.1.1.netsupport: UDP, length 87

所有節點都必須處於線上狀態？我哪裡有錯誤？

您正在嘗試多播通信，這需要底層網路的支持。對於三個節點，我認為最安全的選擇是切換到unicast（也就是通常發送到每個主機自己的 IP 地址 192.168.2.x）。

引用自：https://serverfault.com/questions/768347