这个问题很老了，但也许有人会发现答案很有用。听起来您正在寻找“备份”选项：
当服务器线路上存在“备份”时，该服务器仅在所有其他非备份服务器不可用时用于负载平衡。
参考：http://code.google.com/p/haproxy-docs/wiki /ServerOptions
配置行对于提供“Oops”页面的本地 apache 实例可能如下所示：
server localhost 127.0.0.1:80 backup
This question is pretty old but maybe someone will find the answer useful. It sounds like you're looking for the "backup" option:
When "backup" is present on a server line, the server is only used in load balancing when all other non-backup servers are unavailable.
Ref: http://code.google.com/p/haproxy-docs/wiki/ServerOptions
A config line for a local apache instance serving an "Oops" page might look something like this:
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这个问题很老了，但也许有人会发现答案很有用。听起来您正在寻找“备份”选项：
当服务器线路上存在“备份”时，该服务器仅在所有其他非备份服务器不可用时用于负载平衡。
参考：http://code.google.com/p/haproxy-docs/wiki /ServerOptions
配置行对于提供“Oops”页面的本地 apache 实例可能如下所示：
server localhost 127.0.0.1:80 backup
This question is pretty old but maybe someone will find the answer useful. It sounds like you're looking for the "backup" option:
When "backup" is present on a server line, the server is only used in load balancing when all other non-backup servers are unavailable.
Ref: http://code.google.com/p/haproxy-docs/wiki/ServerOptions
A config line for a local apache instance serving an "Oops" page might look something like this:
server localhost 127.0.0.1:80 backup