将VMware转移到xen环境步骤

vmware-vdiskmanager -r maildata.vmdk -t 0 maildata-flattened.vmdk

[root@pdc-e2160 CentOS5]# vmware-vdiskmanager -r maildata.vmdk -t 0 maildata-flattened.vmdk
Creating disk 'maildata-flattened.vmdk'
  Convert: 100% done.
Virtual disk conversion successful.

2、

qemu-img convert maildata-flattened.vmdk maildata.img

[root@c2q-q9400 CentOS5]# qemu-img convert maildata-flattened.vmdk maildata.img

参考：http://ian.blenke.com/vmware/vmdk/xen/hvm/qemu