关于 Route 53 的健康检查 - V2EX

关于 Route 53 的健康检查 - V2EX

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AWS

这是一个创建于 4242 天前的主题，其中的信息可能已经有所发展或是发生改变。

有人试过用 Route 53 的健康检查去探测一个 CNAME 么？

如果 CNAME 背后有 N 个 IP，但是只是其中的一个 IP down 了的话，Route 53 的处理方式是？

1 条回复 2014-05-09 04:24:06 +08:00

1

dearrrfish

2014-05-09 04:24:06 +08:00

理论上应该会找healthy的IP，可以看看这篇blog：
http://www.awsarchitectureblog.com/2014/05/organizing-software-deployments-to-match-failure-conditions.html

“ELBs automatically health check their back-end instances and remove unhealthy instances from service. By creating Route 53 alias records marked to evaluate target health (see ELB documentation for how to set this up), if all instances behind an ELB are unhealthy, Route 53 will fail away from this alias and attempt to find an alternate healthy record to serve.”

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