Ben's notes

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--- migrate_kvm_vm [2014/06/12 14:59] – admin
+++ migrate_kvm_vm [2015/03/16 13:22] – admin
@@ Line 29: / Line 29: @@
   * Enable autostart on new host. <code>virsh autostart vmns2</code>
   * Clean up vm and storage on old host / NAS.
+====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>
+  * If you want the image compressed add '-c' right after the word convert.
+  * Edit the xml for the image <code>virsh edit image_name</code>
+  * 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>
+  * Shrink the file <code>qemu-img convert -c -O qcow2 source.qcow2 shrunk.qcow2</code>