HA红帽6自带高可用集群

######高可用集群##### server1和server4上配置红帽的HA套件 vim /etc/yum.repos/rhel-source.repo yum install rcci -y    ##在server1和server4上均安装 passwd ricci /etc/init.d/ricci start chkconfig ricci on yum install luci -y

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