resource disk-semele {

  protocol C;

  handlers {
    pri-on-incon-degr "echo o > /proc/sysrq-trigger ; halt -f";

    pri-lost-after-sb "echo o > /proc/sysrq-trigger ; halt -f";

    local-io-error "echo o > /proc/sysrq-trigger ; halt -f";
  }

  startup {
    degr-wfc-timeout 120;    # 2 minutes.
  }

  disk {
      on-io-error   detach;
  }

  net {
    after-sb-0pri disconnect;
    after-sb-1pri disconnect;
    after-sb-2pri disconnect;
    rr-conflict disconnect;
  }

  syncer {
    rate 80M;
    al-extents 257;
  }

  on toto {
    device     /dev/drbd0;
    disk       /dev/sdb1;
    address    172.16.0.1:7789;
    #flexible-meta-disk  internal;
    meta-disk  internal;
  }

  on titi {
    device    /dev/drbd0;
    disk      /dev/sdb1;
    address   172.16.0.2:7789;
    meta-disk internal;
  }
}

drbdadmin remove /dev/drbd0