zoukankan      html  css  js  c++  java
  • KVM调整cpu和内存

    一.修改kvm虚拟机的配置

    1、virsh edit centos7 找到“memory”和“vcpu”标签,将 <name>centos7</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>centos7</name> <uuid>2220a6d1-a36a-4fbb-8523-e078b3dfe795</uuid> <memory unit='KiB'>3145728</memory> <currentMemory unit='KiB'>3145728</currentMemory> <vcpu placement='static'>2</vcpu>
     
     重定义使配置生效
    virsh define /etc/libvirt/qemu/centos7.xml
    

    启动虚拟机

    virsh start centos7
    

    调整前虚拟机信息

    [root@localhost kvm]# virsh dominfo centos7
    Id:             -
    Name:           centos7
    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

    调整后虚拟机信息

    [root@localhost kvm]# virsh dominfo centos7
    Id:             -
    Name:           centos7
    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
    

      

      

      

       
     
     
     

      

  • 相关阅读:
    分数的表示和运算
    用户管理
    DML,DDL
    索引
    sql语句执行顺序
    伪劣
    序列
    视图
    完整性约束
    ASP.NET MVC学习笔记(二)登陆验证
  • 原文地址:https://www.cnblogs.com/jimmy-xuli/p/9152651.html
Copyright © 2011-2022 走看看