更新时间:2022-10-13 18:11:59
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1、virsh edit centos73 (更改前要将virsh shutdown centos73 )
找到“memory”和“vcpu”标签,将 <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 >
改为: <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 重定义使配置生效
重启虚拟机 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 调整后信息: [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
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