nova节点后台guest kvm命令参数解释_number of hotpluggable cpus requested (128) exceed-优快云博客

本文链接：https://blog.youkuaiyun.com/soft_lawrency/article/details/8476838

本文详细解析了KVM虚拟化环境中用于创建Nova节点的后台命令参数，包括启用KVM支持、内存分配、CPU配置、磁盘与网络设备的设置，以及VNC和语言选项等。通过这些参数，可以深入了解KVM如何构建并管理虚拟机。

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【后台KVM命令】
/usr/bin/kvm -S -M pc-1.0 -enable-kvm -m 2048 -smp 1,sockets=1,cores=1,threads=1 -name instance-0000007e -uuid 2a8f0355-7fe5-4dc3-9b47-b1403a6dc793 -nodefconfig -nodefaults -chardev socket,id=charmonitor,path=/var/lib/libvirt/qemu/instance-0000007e.monitor,server,nowait -mon chardev=charmonitor,id=monitor,mode=control -rtc base=utc -no-shutdown -drive file=/var/lib/nova/instances/instance-0000007e/disk,if=none,id=drive-virtio-disk0,format=qcow2,cache=none -device virtio-blk-pci,bus=pci.0,addr=0x4,drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1 -drive file=/var/lib/nova/instances/instance-0000007e/disk.local,if=none,id=drive-virtio-disk1,format=qcow2,cache=none -device virtio-blk-pci,bus=pci.0,addr=0x5,drive=drive-virtio-disk1,id=virtio-disk1 -netdev tap,fd=18,id=hostnet0 -device virtio-net-pci,netdev=hostnet0,id=net0,mac=fa:16:3e:0d:10:a0,bus=pci.0,addr=0x3 -chardev file,id=charserial0,path=/var/lib/nova/instances/instance-0000007e/console.log -device isa-serial,chardev=charserial0,id=serial0 -chardev pty,id=charserial1 -device isa-serial,chardev=charserial1,id=serial1 -usb -device usb-tablet,id=input0 -vnc 172.16.1.12:5 -k en-us -vga cirrus -d