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Proxmox High Availability by Simon M.C. Cheng

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Key component 2 – reliable network

Based on our setting, almost all the components are running through the network. This means that a stable and fast network is essential. The best practice is to separate the network for data replication, storage, and management. So, what does a fast network mean? Only gigabit Ethernet or a faster version will be chosen; this means that all the servers should have gigabit Ethernet cards in a local area network connection. Besides, we need to measure the connection time between two nodes to ensure that the speed is optimal. Moreover, all of the running nodes should be in the same subnet to avoid the involvement of further routing processes.

The following screenshot is a simple ping test to measure the network latency ...

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