tyxiayu 发表于 2015-11-21 11:49:11

Heartbeat 配置文档

Heartbeat 配置文档
设备信息
  机器(虚拟机):
  主节点heartbeat1:192.168.190.108 操作系统:Centos 6.4
  从节点heartbeat2:192.168.190.109 操作系统:Centos 6.4
  虚拟ip:192.168.190.110
配置信息
安装Centos
  两节点均安装Centos 6.4
配置网络
  主节点配置信息如下,从节点仅ip和主机名设置不同:
  vi/etc/sysconfig/network-scripts/ifcfg-eth0
  DEVICE="eth0"
  BOOTPROTO="static"#修改
  HWADDR="00:0C:29:4D:58:10"
  IPV6INIT="yes"
  ONBOOT="yes"#修改 yes为启用一下启动项
  
  BROADCAST="192.168.190.255” #add
  IPADDR="192.168.190.108"   #add 从节点为192.168.190.109
  NETMASK="255.255.255.0"   #add
  NETWORK="192.168.190.0"   #add
  NM_CONTROLLED="yes"
  TYPE="Ethernet"
  UUID="95ea92c8-cdaa-47ed-ad08-bcd32aec5497"
  DNS1="8.8.8.8"
  DNS2="8.8.4.4"
  
  vi/etc/sysconfig/network
  NETWORKING=yes
  HOSTNAME=heartbeat1# 从节点为heartbeat2
  GATEWAY=192.168.190.2
  
  vi/etc/resolv.conf
  nameserver 8.8.8.8
  nameserver 8.8.4.4
  
  vi/etc/hosts
  192.168.190.108 heartbeat1
  192.168.190.109 heartbeat2
  
  hostnameheartbeat1(从节点为hostname heartbeat2)
  
  关闭防火墙
  
  chkconfig iptables off
  
  禁用selinux
  vi /etc/selinux/config
  SELINUX=disabled
  
  添加用户名和用户组:
  groupadd -g 694 haclient
  useradd -u 694 -g haclient hacluster
  
安装heartbeat
  安装epel,heartbeat不在Centos自带的源上
  rpm -ivh http://download.fedora.redhat.com/pub/epel/6/x86_64/epel-release-6-5.noarch.rpm
  
  yuminstall heartbeat
  
Hearbeat的配置主要包括三个配置文件,authkeys,ha.cf和haresources的配置
  cp /usr/share/doc/heartbeat-3.0.4/authkeys /etc/ha.d/
cp /usr/share/doc/heartbeat-3.0.4/ha.cf /etc/ha.d/
cp /usr/share/doc/heartbeat-3.0.4/haresources /etc/ha.d/
  authkeys的配置:
  这个文件用来配置密码认证方式,支持3种认证方式,crc,md5和sha1,从左到右安全性越来越高,消耗的资源也越多。两主机配置相同:
  vi /etc/ha.d/authkeys
  auth 1
  1 crc
#2 sha1 HI!
#3 md5 Hello!
  chmod 600 /etc/ha.d/authkeys
  
  ha.cf的配置:
  heartbeat1的ha.cf的配置
  vi /etc/ha.d/ha.cf
  logfile/var/log/ha-log
  logfacilitylocal0
  keepalive 2
  deadtime 30
  warntime 10
  initdead 120
  udpport 694
  ucast eth0192.168.190.109   #heartbeat2的IP
  auto_failback on
  node    heartbeat1
  node   heartbeat2
  ping 192.168.190.2   #网关
  respawn hacluster/usr/lib64/heartbeat/ipfail#默认是lib修改lib64
  compressionbz2
  compression_threshold2
  

  heartbeat2的ha.cf的配置
  vi /etc/ha.d/ha.cf
  logfile/var/log/ha-log
  logfacilitylocal0
  keepalive 2
  deadtime 30
  warntime 10
  initdead 120
  udpport 694
  ucast eth0192.168.190.108   #heartbeat1的IP
  auto_failback on
  node    heartbeat1
  node   heartbeat2
  ping 192.168.190.2   #网关
  respawn hacluster/usr/lib64/heartbeat/ipfail#默认是lib修改lib64
  compressionbz2
  compression_threshold2
  
  haresources的配置:
  haresources用来设置master的主机名、虚拟IP、服务以及磁盘挂载等,两台主机配置一样。需要的服务加在最后,可加多个。此处以httpd为例:
  vi /etc/ha.d/haresources
  heartbeat1IPaddr::192.168.190.110/24/eth0 mysqld
Heartbeat的启动
  先启动heartbeat1,再启动heartbeat2
  /etc/init.d/heartbeatstart
  

  出现上图说明启动成功!
  ifconfig出现下图说明配置正确(启动后过十秒左右查看):
  

  
  在本机ping虚拟ip192.168.190.110,ping通成功。
Heartbeat的关闭
  /etc/init.d/heartbeatstop
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