heartbeat管理与虚拟IP介绍
asdfasdhttp://i2.运维网.com/images/blog/201801/17/9ff0d9170ca7a9646525e5d8caad3cce.png
http://i2.运维网.com/images/blog/201801/17/5bb37622a192739b218953defbd8cb36.png
ip别名 要弃用了，centos 6还有，centos 7 没了
别名设置：
ifconfig eth0:0 10.0.0.9/24 netmask 255.255.255.0 up 回车
这个别名是临时的，重启就没了
http://i2.运维网.com/images/blog/201801/17/41528180df125cedcfdda010ff6abc8a.png
route add -host 10.0.0.10 dev eth0 回车
route -n 回车
http://i2.运维网.com/images/blog/201801/17/1e0947f2ec01087350125d8ec1cd090d.png
这是标准配置ip 方法，增加路由
http://i2.运维网.com/images/blog/201801/17/c47526ff318efc8bf70eb41ec3694577.png
ifconfig eth0:1 down删掉
别名ip将被遗弃了，用辅助ip替代
http://i2.运维网.com/images/blog/201801/17/be2ac06a2e76215a3a766117b924aa78.png
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