KeepAlived1.1.17安装及配置说明
1.1KeepAlived1.1.17安装及配置说明使用源码方式安装，
1.1.1 准备工作
tar -zxf keepalived-1.1.13.tar.gz
cp keepalived-1.1.13 /usr/local/src
cd /mnt/suse64/suse/x86_64
rpm -ivhopenssl-devel-0.9.8a-18.26.x86_64.rpm
rpm -ivh popt-devel-1.7-271.27.x86_64.rpm
1.1.2 正式安装
cd /usr/local/src/keepalived-1.1.16/
./configure
make
make install
应有如下结果
make -C keepalived install
make: Entering directory`/usr/local/src/keepalived-1.1.16/keepalived'
install -d /usr/local/sbin
install -m 700 ../bin/keepalived/usr/local/sbin/
install -d /usr/local/etc/rc.d/init.d
install -m 755 etc/init.d/keepalived.init/usr/local/etc/rc.d/init.d/keepalived
install -d /usr/local/etc/sysconfig
install -m 755etc/init.d/keepalived.sysconfig /usr/local/etc/sysconfig/keepalived
install -d/usr/local/etc/keepalived/samples
install -m 644etc/keepalived/keepalived.conf /usr/local/etc/keepalived/
install -m 644 ../doc/samples/*/usr/local/etc/keepalived/samples/
install -d /usr/local/share/man/man5
install -d /usr/local/share/man/man8
install -m 644../doc/man/man5/keepalived.conf.5 /usr/local/share/man/man5
install -m 644 ../doc/man/man8/keepalived.8/usr/local/share/man/man8
make: Leaving directory `/usr/local/src/keepalived-1.1.16/keepalived'
make -C genhash install
make: Entering directory`/usr/local/src/keepalived-1.1.16/genhash'
install -d /usr/local/bin
install -m 755 ../bin/genhash/usr/local/bin/
install -d /usr/local/share/man/man1
install -m 644 ../doc/man/man1/genhash.1/usr/local/share/man/man1
make: Leaving directory`/usr/local/src/keepalived-1.1.16/genhash'
因为系统使用suse，而该程序针对redhat系统，所以我们需要自行配置
1.1.3 服务配置
cd /usr/local/etc
mv keepalived /etc（移动配置目录到etc）
cd sysconfig
mv keepalived /etc/sysconfig（移动程序运行参数配置文件，缺省参数为使用明细日志）
在/etc/init.d目录下建立文件keepalived,内容如下：
#!/bin/sh
#
# Startup script for the Keepalived daemon
#
# processname: keepalived
# pidfile: /var/run/keepalived.pid
# config: /etc/keepalived/keepalived.conf
# chkconfig: - 21 79
# description: Start and stop Keepalived
# Source function library
. /etc/rc.status
# Source configuration file (we setKEEPALIVED_OPTIONS there)
. /etc/sysconfig/keepalived
rc_reset
prog="keepalived"
start() {
echo -n $"Starting $prog: "
$prog ${KEEPALIVED_OPTIONS}
rc_status -v
touch /var/lock/subsys/$prog
}
stop() {
echo -n $"Stopping $prog: "
killproc $prog
rc_status -v
rm -f /var/lock/subsys/$prog
}
reload() {
echo -n $"Reloading $prog: "
killproc $prog -1
echo
}
# See how we were called.
case "$1" in
start)
start
;;
stop)
stop
;;
reload)
reload
;;
restart)
stop
start
;;
condrestart)
if [ -f /var/lock/subsys/$prog ]; then
stop
start
fi
;;
status)
/sbin/checkproc $prog
rc_status -v
;;
*)
echo "Usage: $0{start|stop|reload|restart|condrestart|status}"
exit 1
;;
esac
rc_exit
保证该文件的权限信息如下：
-rwxr-xr-x 1 root root 1.2K 2009-04-2014:13 keepalived
chkconfig --level 35 keepalived on#set the keepalived service auto start whenthe system is booting
#copy the config which name iskeepalived.confto /etc/keepalived(dir)
#this config file declare the vrrp rule.
启动/停止/重新装载配置/当前运行状态:
service keepalived start|stop|reload|status
诊断IP情况命令
ip addr
1.1.4 配置文件参考
文件在/etc/keepalived/目录下
Master的配置文件
vrrp_instance VI_INET1 {
state MASTER #(主机为MASTER，备用机为BACKUP)
interface eth0 #(HA监测网络接口)
mcast_src_ip 192.168.7.191 #(VRRP Multicast广播源地址，分别取主、备机地址，不能取与virtual_ipaddress相同)
track_interface {
Eth1 #监测状态的接口
}
virtual_router_id 53 #(主、备机的virtual_router_id必须相同)
priority 200 #(主、备机取不同的优先级，主机值较大，备份机值较小,值越大优先级越高)
advert_int 5 #(VRRP Multicast广播周期秒数)
authentication {
auth_type pass #(VRRP认证方式)
auth_pass yourpass #(VRRP口令字)
}
virtual_ipaddress {
192.168.7.100 #(VRRP HA虚拟地址)
}
}
Slave的配置文件
vrrp_instance VI_INET1 {
state BACKUP
interface eth0
track_interface {
eth1
}
virtual_router_id 53
priority 100
advert_int 5
authentication {
auth_type pass
auth_pass yourpass
}
virtual_ipaddress {
192.168.7.100
}
}
track_interface的意思是将Linux中你想监控的网络接口卡监控起来，当其中的一块出现故障是keepalived都将视为路由器出现故障。
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