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migrate_kvm_vm

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migrate_kvm_vm [2014/07/03 19:38] – [KVM Migrate VM to other host] adminmigrate_kvm_vm [2015/03/18 11:38] – 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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   * Modify the disk stanza, adding a type to the driver line; on the source line change 'dev' to 'file' and modify the path: <code>driver name='qemu' type='qcow2'   * Modify the disk stanza, adding a type to the driver line; on the source line change 'dev' to 'file' and modify the path: <code>driver name='qemu' type='qcow2'
 source file='/var/lib/libvirt/images/image_name.qcow2'</code> source file='/var/lib/libvirt/images/image_name.qcow2'</code>
 +  * Shrink the file <code>qemu-img convert -c -O qcow2 source.qcow2 shrunk.qcow2</code>
migrate_kvm_vm.txt · Last modified: 2021/10/09 15:14 by 127.0.0.1