root@failover1:~# cat /etc/drbd.d/r0.res
resource r0 {
  on failover1 {
    device /dev/drbd1;
    disk /dev/sda3;
    address 10.1.1.1:7789;
    meta-disk internal;
  }
  on failover2 {
    device /dev/drbd1;
    disk /dev/sda3;
    address 10.1.1.2:7789;
    meta-disk internal;
  }
}