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migrate_kvm_vm

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migrate_kvm_vm [2015/03/16 13:22] – adminmigrate_kvm_vm [2015/03/18 11:38] – [LV to qcow2 image] admin
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 =====KVM Migrate VM to other host===== =====KVM Migrate VM to other host=====
 +
 +===Prerequisites===
 +  * Restart VM on source host to be sure reboot is successful before the change.
 +
 +===Migration iSCSI LV to image===
 Example migration from iSCSI backed storage host to other host with local LVM based storage. Example migration from iSCSI backed storage host to other host with local LVM based storage.
  
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   * Enable autostart on new host. <code>virsh autostart vmns2</code>   * Enable autostart on new host. <code>virsh autostart vmns2</code>
   * Clean up vm and storage on old host / NAS.   * Clean up vm and storage on old host / NAS.
-====LV to qcow2 image====+===LV to qcow2 image===
   * Use qemu-img to convert from an lvm to qcow2 format <code>qemu-img convert -O qcow2 /dev/vg_name/lv_name/ /var/lib/libvirt/images/image_name.qcow2</code>   * Use qemu-img to convert from an lvm to qcow2 format <code>qemu-img convert -O qcow2 /dev/vg_name/lv_name/ /var/lib/libvirt/images/image_name.qcow2</code>
   * If you want the image compressed add '-c' right after the word convert.   * If you want the image compressed add '-c' right after the word convert.
migrate_kvm_vm.txt · Last modified: 2021/10/09 15:14 by 127.0.0.1