VMware ESXI 迁移至KVM



  • 1. ESXI将虚拟机导出
  • 2. 配置KVM环境
  • 3. 导入虚拟机
  • 4. 启动虚拟机
  • 5. 测试可用性
1. ESXI将虚拟机导出



2. 配置KVM环境


[[email protected] ~]# yum install libvirt* virt-* qemu-kvm* -y  


[[email protected] ~]# virsh iface-bridge eth4 br1  使用附加设备 br1 生成桥接 eth4 失败  已启动桥接接口 br1  
3. 导入虚拟机


[[email protected] ~]# systemctl start libvirtd.service  [[email protected] ~]# systemctl enable libvirtd.service  


[[email protected] ~]# virt-v2v -i ova centos-dev-test01-v2v.ova -o local -os /vmhost/dev/dev-test01  -of qcow2  [   0.0] Opening the source -i ova centos-dev-test01-v2v.ova  virt-v2v: warning: making OVA directory public readable to work around  libvirt bug https://bugzilla.redhat.com/1045069  [  23.1] Creating an overlay to protect the source from being modified  [  23.4] Initializing the target -o local -os /vmhost/dev/dev-test01  [  23.4] Opening the overlay  [  41.4] Inspecting the overlay  [  57.5] Checking for sufficient free disk space in the guest  [  57.5] Estimating space required on target for each disk  [  57.5] Converting CentOS release 6.9 (Final) to run on KVM  virt-v2v: This guest has virtio drivers installed.  [ 178.6] Mapping filesystem data to avoid copying unused and blank areas  [ 178.9] Closing the overlay  [ 179.4] Checking if the guest needs BIOS or UEFI to boot  [ 179.4] Assigning disks to buses  [ 179.4] Copying disk 1/1 to /vmhost/dev/dev-test01/centos-dev-test01-v2v-sda (qcow2)      (100.00/100%)  [ 216.1] Creating output metadata  [ 216.1] Finishing off  导入完成后在 /vmhost/dev/dev-test01 目录下会生成文件  [[email protected] dev-test01]# pwd  /vmhost/dev/dev-test01  [[email protected] dev-test01]# ls  centos-dev-test01-v2v-sda  centos-dev-test01-v2v.xml  


修改网卡source network 为桥接


[[email protected] dev-test01]# cat centos-dev-test01-v2v.xml  <?xml version='1.0' encoding='utf-8'?>  <domain type='kvm'>    <!-- generated by virt-v2v 1.36.3rhel=7,release=6.el7_4.3,libvirt -->    <name>centos-dev-test01-v2v</name>    <memory unit='KiB'>524288</memory>    <currentMemory unit='KiB'>524288</currentMemory>    <vcpu>1</vcpu>    <features>      <acpi/>      <apic/>    </features>    <os>      <type arch='x86_64'>hvm</type>    </os>    <on_poweroff>destroy</on_poweroff>    <on_reboot>restart</on_reboot>    <on_crash>restart</on_crash>    <devices>      <disk type='file' device='disk'>        <driver name='qemu' type='qcow2' cache='none'/>        <source file='/vmhost/dev/dev-test01/centos-dev-test01-v2v-sda'/>        <target dev='vda' bus='virtio'/>      </disk>      <disk device='cdrom' type='file'>        <driver name='qemu' type='raw'/>        <target dev='hda' bus='ide'/>      </disk>      <disk device='floppy' type='file'>        <driver name='qemu' type='raw'/>        <target dev='fda'/>      </disk>      <interface type='bridge'>        <source bridge='br1'/>        <model type='virtio'/>        <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>      </interface>      <video>        <model type='qxl' ram='65536' heads='1'/>      </video>      <graphics type='vnc' autoport='yes' port='-1'/>      <input type='tablet' bus='usb'/>      <input type='mouse' bus='ps2'/>      <console type='pty'/>    </devices>  </domain>  
4. 启动虚拟机


[[email protected] dev-test01]# virsh  define centos-dev-test01-v2v.xml  定义域 centos-dev-test01-v2v(从 centos-dev-test01-v2v.xml)  


[[email protected] dev-test01]#  virsh list --all   Id    名称                         状态  ----------------------------------------------------   -     centos-dev-test01-v2v          关闭  


[[email protected] dev-test01]#  virsh start centos-dev-test01-v2v  域 centos-dev-test01-v2v 已开始  
5. 测试可用性


[[email protected] ~]# ssh [email protected]  The authenticity of host ' (' can't be established.  RSA key fingerprint is SHA256:iRmghFzgRIJy5+v8p4lqi8DyUG8F0hXR/qNdDZ2J6RY.  RSA key fingerprint is MD5:37:b8:56:3b:b7:85:fa:cb:d9:55:a7:44:d5:de:f8:d9.  Are you sure you want to continue connecting (yes/no)? yes  Warning: Permanently added '' (RSA) to the list of known hosts.  [email protected]'s password:  Last login: Mon Mar  5 10:30:02 2018 from  [[email protected] ~]# hostname  -I  


[[email protected] ~]# virsh autostart centos-dev-test01-v2v  域 centos-dev-test01-v2v标记为自动开始  


原文出处:itgol -> https://www.itgol.cn/211.html

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