[root@dep-1 myusername]# cat /etc/drbd.conf
include "/etc/drbd.d/global_common.conf";
include "/etc/drbd.d/puppet/*.res";
include "/etc/drbd.d/custom/*.res";
[root@cj-fw-dev-phys-dep-1 myusername]# cat "/etc/drbd.d/global_common.conf"
global {
  usage-count no;
}
common {
  protocol C;
}

[root@dep-1 myusername]# cat /etc/drbd.d/custom/httpd-storage.res

resource httpd-storage {
   options {
      quorum 2; # tested now with 2 but the same happened with majority;
   }
   handlers {
       split-brain "/usr/lib/drbd/custom-notify-split-brain.sh";
       quorum-lost "/usr/lib/drbd/custom-notify-quorum-lost.sh";
   }
   protocol C;

   startup {
      wfc-timeout 10;
      degr-wfc-timeout 5;
   }
   disk {
      on-io-error detach;
      c-max-rate 900M;
      c-min-rate 100M;
      c-fill-target 1M;
      resync-rate 300M;
   }

   on dep-1.domain.com {
      device /dev/drbd7501;
      disk /dev/mapper/lvmdata-httpd--storage;
      node-id 1;
      meta-disk internal;
      address 10.21.24.11:7501;
   }
   on dep-2.domain.com {
      device /dev/drbd7501;
      disk /dev/mapper/lvmdata-httpd--storage;
      meta-disk internal;
      node-id 2;
      address 10.21.24.12:7501;
   }
   on doc-1.domain.com {
      device /dev/drbd7501;
      disk none;
      meta-disk internal;
      node-id 3;
      address 10.21.24.13:7501;
   }

   connection-mesh {
      hosts dep-1.domain.com dep-2.domain.com doc-1.domain.com;
   }
}