redis+keepalived配置文档(改)

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1、Redis+keepalived配置文档一．环境部署介绍介绍：为了其保证redis缓存服务的稳定，将做一个redis+keepalived双机主备，并具备高可用性(HA)环境：现在已有一台服务器上搭建有redis服务，做为redis主，将准备另一台服务器部署redis，作为从，在通过keepalived软件实现在主机redis服务宕掉后，自动切换到从机redis，并且redis角色成为主，可以存入和读取数据。而当主机恢复后，主机redis会马上抢夺回redis主的角色，而从机又会还原，并且主机会同步回从机存入的数据，达到数据同步，实现其高可用性二．使用相关环境及软件系统：redhat

2、EnterpriseLinux6.3主机：10.224.70.33从机：10.224.70.18虚拟IP：10.224.70.100keepalived-1.2.7redis-2.6.17一．安装软件1、  以root用户登录，cd/usr/local2、命令：mkdirms40  新建ms40目录3、cdms404、mkdirredis&&cdredis&&mkdirlog&&mkdirdata  然后切回ms40目录5、mkdirkeepalived6、上传文件redis-2.6.17.tar.gz至redis目录上传文件keepalived-1.2.7.tar.gz至keepa

3、lived目录7、安装redis1）cdredis2）tarzxvfredis-2.6.17.tar.gz3）cd redis-2.6.174）make5）cdsrc6）cpredis-benchmarkredis-cliredis-server/usr/bin/7）切回至ms40目录8、安装keepalived1）cdkeepalived2）tarzxvfkeepalived-1.2.7.tar.gz#解压安装包3）yuminstallpopt-devel4）yum-yinstallopenssl-devel5）cdkeepalived-1.2.76）./configure7）ma

4、ke&&makeinstall9  转移keepalived的配置文件1）cp/usr/local/etc/rc.d/init.d/keepalived/etc/rc.d/init.d/#用于keepalived服务点的启动2）cp/usr/local/etc/sysconfig/keepalived/etc/sysconfig/#这个是用于查看keepalived相关的帮助文档，如keepalived–help或者mankeepalived3）  mkdir/etc/keepalived4）  cp/usr/local/etc/keepalived/keepalived.conf/

5、etc/keepalived/#将keepalived配置文件做备份5）  cp/usr/local/sbin/keepalived/usr/sbin/二．配置过程主机：1.配置redismkdir/etc/rediscp/usr/local/ms40/redis/redis-2.6.17/redis.conf/etc/redis#复制一份配置文档做为主配置文档vim/etc/redis.conf#编辑redis配置文档需要修改的配置如下daemonizeyes#开启redis守护进程pidfile/var/run/redis.pid#redis守护进程的pid存放位置logfile

6、"/var/log/keepalived-redis-state.log"#指定日志路径dbfilenamedump.rdb#指定快照文件名dir/var/lib/redis#指定快照文件存储路径masterauth123456#主库认证密码requirepass123456#客户端连接密码1.配置keepalivedmkdir/etc/keepalivedcp/usr/local/ms40/keepalived/keepalived-2.6.17/keepalived.conf/etc/keepalived#复制一份配置文档做为主配置文档vim/etc/keepalived/kee

7、palived.conf#配置keepalived配置文件配置内容如下：vrrp_scriptchk_redis{script"/etc/keepalived/scripts/redis_check.sh"#执行检查脚本interval2#监控时间间隔}vrrp_instanceVI_1{stateMASTER#keepalived主机角色interfaceeth0#监听网卡端口virtual_router_id52#keepalived内的虚拟路由idp