title: needs partition using sda (instead of vda) for CentOS VM created using libvrt
body: <p>I created virtual disk and I try to load CentOS7 using libvrt. It creates partitions which consists of virtual device file vda. </p>
  
  <p>When I tried to load Debian using VMWare, It creates partitions which consists of device file sda. </p>
  
  <p>Actually the purpose of having CentOS and Debain OS VM is to collect rootfs and initrd and then to load over a third party bootloader. </p>
  
  <p>Bootloader is trying to load rootfs over partition /dev/sda*. Hence Debain is working fine whereas CentOS fails to come up saying that No such Partition /dev/sda*.</p>
  
  <p>Hence is it possible to have sda instead of vda? I tried to change xml for VM name, it didn't help.</p>