#
# drbd.conf example
#
# parameters you _need_ to change are the hostname, device, disk,
# meta-disk, address and port in the "on <hostname> {}" sections.
#
# you probably want to set the rate in the syncer sections

resource shared {
  protocol C;

  # what should be done in case the cluster starts up in
  # degraded mode, but knows it has inconsistent data.
  incon-degr-cmd "echo '!DRBD! pri on incon-degr' | wall ; sleep 60 ; halt -f";

  startup {
    # Wait for connection timeout. 
    # The init script blocks the boot process until the resources
    # are connected. This is so when the cluster manager starts later,
    # it does not see a resource with internal split-brain.
    # In case you want to limit the wait time, do it here.
    # Default is 0, which means unlimited. Unit is seconds.
    #
    # wfc-timeout  0;

    # Wait for connection timeout if this node was a degraded cluster.
    # In case a degraded cluster (= cluster with only one node left)
    # is rebooted, this timeout value is used. 
    #
    degr-wfc-timeout 120;    # 2 minutes.
  }

  disk {
    # if the lower level device reports io-error you have the choice of
    #  "pass_on"  ->  Report the io-error to the upper layers.
    #                 Primary   -> report it to the mounted file system.
    #                 Secondary -> ignore it.
    #  "panic"    ->  The node leaves the cluster by doing a kernel panic.
    #  "detach"   ->  The node drops its backing storage device, and
    #                 continues in disk less mode.
    #
    on-io-error   detach;

    # In case you only want to use a fraction of the available space
    # you might use the "size" option here.
    #
    # size 10G;
  }

  net {
    # if the connection to the peer is lost you have the choice of
    #  "reconnect"   -> Try to reconnect (AKA WFConnection state)
    #  "stand_alone" -> Do not reconnect (AKA StandAlone state)
    #  "freeze_io"   -> Try to reconnect but freeze all IO until
    #                   the connection is established again.
    # on-disconnect reconnect;
  }

  syncer {
    rate 50M;

    group 1;

    al-extents 257;
  }

  on intern {
    device     /dev/drbd0;
    disk       /dev/system/shared;
    address    10.128.0.1:7788;
    meta-disk  internal;
  }

  on dev2 {
    device    /dev/drbd0;
    disk      /dev/system/shared;
    address   10.128.0.2:7788;
    meta-disk internal;
  }
}