resource r0 {
  on drbd_test1.cesc.co.in {
    device    /dev/drbd1;
    disk      /dev/sda2;
    address   10.50.81.252:7789;
    meta-disk /dev/sda2;
  }
  on drbdtest2.cesc.co.in {
    device    /dev/drbd1;
    disk      /dev/sda2;
    address   10.50.81.253:7789;
    meta-disk /dev/sda2;
  }
}