To see if the DHCP request was received by ISC DHCP, look in /var/log/syslog of the RackHD host.
检查是否收到dhcp request<br> grep DHCP /var/log/syslog
5 Matching Annotations
- Dec 2018
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rackhd.readthedocs.io rackhd.readthedocs.io
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rackhd.readthedocs.io rackhd.readthedocs.io
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Discovery: RackHD can automatically discover a node that attempts to do PXE boot on the network that RackHD is monitoring.
RackHD可以自动发现尝试在RackHD正在监控的网络上进行PXE引导的节点
几个关键点：
- rackhd-server是自动发现节点的
- 该节点属于RackHD监控的网络上
- 该节点尝试通过PXE引导节点
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NodeId is the unique Identity of a node in RackHD. List all the compute type nodes being discovered on the rackhd-server SSH console by typing the following command. Append “?type=compute” as a query string.
NodeId是RackHD中节点的唯一标识。通过键入以下命令，列出在rackhd-server SSH控制台上发现的所有计算类型节点。将“？type = compute”附加为查询字符串。
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rackhd.readthedocs.io rackhd.readthedocs.io
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The Docker Compose setup also enables port forwarding that allows your localhost to access the RackHD instance
Docker Compose设置还启用端口转发，允许您的localhost访问RackHD实例
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The rackhd_admin network will be used to connect the services together and to access the RackHD APIs. The rackhd_southbound network will be used by RackHD to connect to the virtual nodes.
- rackhd_admin网络将用于将服务连接在一起并访问RackHD API
- RackHD将使用rackhd_southbound网络连接到虚拟节点
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