1、virsh?edit?centos73?（更改前要將virsh?shutdown?centos73?） 找到“memory”和“vcpu”標簽，將 <name>centos73</name><uuid>2220a6d1-a36a-4fbb-8523-e078b3dfe795</uuid><memory?unit='KiB'>2097152</memory><currentMemory?unit='KiB'>2097152</currentMemory><vcpu?placement='static'>1</vcpu> 改為： <name>centos73</name><uuid>2220a6d1-a36a-4fbb-8523-e078b3dfe795</uuid><memory?unit='KiB'>3145728</memory><currentMemory?unit='KiB'>3145728</currentMemory><vcpu?placement='static'>2</vcpu>virsh?define?/etc/libvirt/qemu/centos73.xml????重定義使配置生效???? 重啟虛擬機 virsh?start?centos73?--console 查看原配置信息[root@localhost?kvm]#?virsh?dominfo?centos734 Id:?????????????- Name:???????????centos73 UUID:???????????2220a6d1-a36a-4fbb-8523-e078b3dfe795 OS?Type:????????hvm State:??????????shut?off CPU(s):?????????1 Max?memory:?????2097152?KiB Used?memory:????2097152?KiB Persistent:?????yes Autostart:??????disable Managed?save:???no Security?model:?none Security?DOI:???0 調整后信息： [root@localhost?kvm]#?virsh?dominfo?centos73 Id:?????????????- Name:???????????centos73 UUID:???????????2220a6d1-a36a-4fbb-8523-e078b3dfe795 OS?Type:????????hvm State:??????????shut?off CPU(s):?????????2 Max?memory:?????3145728?KiB Used?memory:????3145728?KiB Persistent:?????yes Autostart:??????disable Managed?save:???no Security?model:?none Security?DOI:???0

轉載于:https://blog.51cto.com/m51cto/1958516

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