#
# drbd.conf : see drbd.conf.sample for original well commented sample file
#

resource drbd0 {
  protocol C;
  
  # degraded mode, but knows it has inconsistent data.
  incon-degr-cmd "echo '!DRBD! pri on incon-degr' | wall ; sleep 60 ; halt -f";

  syncer {
    # Limit the bandwith used by the resynchronisation process.
    # default unit is KB/sec; optional suffixes K,M,G are allowed
    #
    rate 150M;

    # All devices in one group are resynchronized parallel. 
    # Resychronisation of groups is serialized in ascending order. 
    # Put DRBD resources which are on different physical disks in one group.
    # Put DRBD resources on one physical disk in different groups.
    #
    group 1;

    # Configures the size of the active set. Each extent is 4M, 
    # 257 Extents ~> 1GB active set size. In case your syncer
    # runs @ 10MB/sec, all resync after a primary's crash will last
    # 1GB / ( 10MB/sec ) ~ 102 seconds ~ One Minute and 42 Seconds.
    # BTW, the hash algorithm works best if the number of al-extents
    # is prime. (To test the worst case performace use a power of 2)
    al-extents 257;
  }

  on alixen {
    device     /dev/drbd0;
    disk       /dev/sda8;
    address    10.0.0.1:7788;
    meta-disk  internal;
  }

  on alixen2 {
    device    /dev/drbd0;
    disk      /dev/sda8;
    address   10.0.0.2:7788;
    meta-disk internal;
  }
}

resource drbd1 {
  protocol C;
  
  # degraded mode, but knows it has inconsistent data.
  incon-degr-cmd "echo '!DRBD! pri on incon-degr' | wall ; sleep 60 ; halt -f";

  syncer {
    # Limit the bandwith used by the resynchronisation process.
    # default unit is KB/sec; optional suffixes K,M,G are allowed
    #
    rate 150M;

    # All devices in one group are resynchronized parallel. 
    # Resychronisation of groups is serialized in ascending order. 
    # Put DRBD resources which are on different physical disks in one group.
    # Put DRBD resources on one physical disk in different groups.
    #
    group 2;

    # Configures the size of the active set. Each extent is 4M, 
    # 257 Extents ~> 1GB active set size. In case your syncer
    # runs @ 10MB/sec, all resync after a primary's crash will last
    # 1GB / ( 10MB/sec ) ~ 102 seconds ~ One Minute and 42 Seconds.
    # BTW, the hash algorithm works best if the number of al-extents
    # is prime. (To test the worst case performace use a power of 2)
    al-extents 257;
  }

  on alixen {
    device     /dev/drbd1;
    disk       /dev/sda9;
    address    10.0.0.1:7789;
    meta-disk  internal;
  }

  on alixen2 {
    device    /dev/drbd1;
    disk      /dev/sda9;
    address   10.0.0.2:7789;
    meta-disk internal;
  }
}

resource drbd2 {
  protocol C;
  
  # degraded mode, but knows it has inconsistent data.
  incon-degr-cmd "echo '!DRBD! pri on incon-degr' | wall ; sleep 60 ; halt -f";

  syncer {
    # Limit the bandwith used by the resynchronisation process.
    # default unit is KB/sec; optional suffixes K,M,G are allowed
    #
    rate 150M;

    # All devices in one group are resynchronized parallel. 
    # Resychronisation of groups is serialized in ascending order. 
    # Put DRBD resources which are on different physical disks in one group.
    # Put DRBD resources on one physical disk in different groups.
    #
    group 3;

    # Configures the size of the active set. Each extent is 4M, 
    # 257 Extents ~> 1GB active set size. In case your syncer
    # runs @ 10MB/sec, all resync after a primary's crash will last
    # 1GB / ( 10MB/sec ) ~ 102 seconds ~ One Minute and 42 Seconds.
    # BTW, the hash algorithm works best if the number of al-extents
    # is prime. (To test the worst case performace use a power of 2)
    al-extents 257;
  }

  on alixen {
    device     /dev/drbd2;
    disk       /dev/sda10;
    address    10.0.0.1:7790;
    meta-disk  internal;
  }

  on alixen2 {
    device    /dev/drbd2;
    disk      /dev/sda10;
    address   10.0.0.2:7790;
    meta-disk internal;
  }
}