This paper presents a new secure and fast startup method for multiple compute nodes.The OS image is easy to be orchestrated and deployed.By making full use of the existing internal interconnection buses of the computer system,such as non-transparent bridges(NTB(Non-Transparent Bridge)of the PCIE bus to share the memory,further im-plementing diskless startup,providing a fast method for making a Ramdisk root file system,and a systematic method for creating and packaging a Ramdisk virtual image based on the UEFI,so as to implement cloud cluster deployment.Practice shows that the internal bus is used to physically and effectively isolate sources of illegal mirroring.Mirroring is trimmed into the 500 MB.Under the 4 GB/s bus bandwidth,the startup time can be optimized to 1～2 seconds,and the efficiency can be increased to 30 times.Multiple nodes can be started in parallel at the same time.In the future,the new CXL bus tech-nology can be smoothly evolved and upgraded.
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