BSR Configuration Examples

Owned by 고상민
Last updated: 2023/02/10 by SungEun Kim
11 min read

1:N 

A way to configure mirror on N nodes from one node.

Node OS  DRBDDRX in LANDRX in RemoteDRBD in Remote
Windows
Windows R0 
resource r0 {
	proxy {
		memlimit 500M;
	}

	net {
		protocol A;
		on-congestion pull-ahead;
		sndbuf-size 10M;
		congestion-fill 480M;
	}

	on w28r2-4 {
		node-id 1;
		device    d  minor 1;
		disk      d;
		meta-disk m;
		address   31.1.1.154:7789;
	}
	on w28r2-5 {
		node-id 2;
		device    d minor 1;
		disk      d;
		meta-disk m;
		address   31.1.1.155:7789;
	}
	on w28r2-6 {
		node-id 3;
		device    d minor 1;
		disk      d;
		meta-disk m;
		address   31.1.1.156:7789;
	}
	on w28r2-7 {
		node-id 4;
		device    d minor 1;
		disk      d;
		meta-disk m;
		address   31.1.1.157:7789;
	}
	connection 4-5 {
		host w28r2-4 address 31.1.1.154:6677 via proxy on c73-p1 {
			inside 31.1.1.191:6678;
			outside 31.1.1.191:6679;
		}
		host w28r2-5 address 31.1.1.155:6677 via proxy on c73-p2 {
			inside 31.1.1.192:6678;
			outside 31.1.1.192:6679;
		}
	}
	connection 4-6 {
		host w28r2-4 address 31.1.1.154:6680 via proxy on c73-p1 {
			inside 31.1.1.191:6681;
			outside 31.1.1.191:6682;
		}
		host w28r2-6 address 31.1.1.156:6680 via proxy on c73-p2 {
			inside 31.1.1.192:6681;
			outside 31.1.1.192:6682;
		}
	}
	connection 4-7 {
		host w28r2-4 address 31.1.1.154:6683 via proxy on c73-p1 {
			inside 31.1.1.191:6684;
			outside 31.1.1.191:6685;
		}
		host w28r2-7 address 31.1.1.157:6683 via proxy on c73-p2 {
			inside 31.1.1.192:6684;
			outside 31.1.1.192:6685;
		}
	}
}
Linux DRX R0 
resource r0 {
	proxy {
		memlimit 500M;
	}

	net {
		protocol A;
		on-congestion pull-ahead;
		sndbuf-size 10M;
		congestion-fill 480M;
	}

	on w28r2-4 {
		node-id 1;
		device    /dev/drbd1;
		disk   /dev/sdm1;
		meta-disk /dev/sdm1;
		address   31.1.1.154:7789;
	}
	on w28r2-5 {
		node-id 2;
		device    /dev/drbd2;
		disk   /dev/sdm2;
		meta-disk /dev/sdm2;
		address   31.1.1.155:7789;
	}
	connection 4-5 {
		host w28r2-4 address 31.1.1.154:6677 via proxy on c73-p1 {
			inside 31.1.1.191:6678;
			outside 31.1.1.191:6679;
		}
		host w28r2-5 address 31.1.1.155:6677 via proxy on c73-p2 {
			inside 31.1.1.192:6678;
			outside 31.1.1.192:6679;
		}
	}
}

resource r0-1 {
	proxy {
		memlimit 500M;
	}

	net {
		protocol A;
		on-congestion pull-ahead;
		sndbuf-size 10M;
		congestion-fill 480M;
	}

	on w28r2-4 {
		node-id 1;
		device    /dev/drbd2;
		disk   /dev/sdm2;
		meta-disk /dev/sdm2;
		address   31.1.1.154:7789;
	}
	on w28r2-6 {
		node-id 3;
		device    /dev/drbd3;
		disk   /dev/sdm3;
		meta-disk /dev/sdm3;
		address   31.1.1.156:7789;
	}
	connection 4-6 {
		host w28r2-4 address 31.1.1.154:6680 via proxy on c73-p1 {
			inside 31.1.1.191:6681;
			outside 31.1.1.191:6682;
		}
		host w28r2-6 address 31.1.1.156:6680 via proxy on c73-p2 {
			inside 31.1.1.192:6681;
			outside 31.1.1.192:6682;
		}
	}
}

resource r0-2 {
	proxy {
		memlimit 500M;
	}

	net {
		protocol A;
		on-congestion pull-ahead;
		sndbuf-size 10M;
		congestion-fill 480M;
	}

	on w28r2-4 {
		node-id 1;
		device    /dev/drbd3;
		disk   /dev/sdm3;
		meta-disk /dev/sdm3;
		address   31.1.1.154:7789;
	}
	on w28r2-7 {
		node-id 4;
		device    /dev/drbd3;
		disk   /dev/sdm3;
		meta-disk /dev/sdm3;
		address   31.1.1.157:7789;
	}
	connection 4-7 {
		host w28r2-4 address 31.1.1.154:6683 via proxy on c73-p1 {
			inside 31.1.1.191:6684;
			outside 31.1.1.191:6685;
		}
		host w28r2-7 address 31.1.1.157:6683 via proxy on c73-p2 {
			inside 31.1.1.192:6684;
			outside 31.1.1.192:6685;
		}
	}
}
  • Same as left
  • Same as 'DRBD in LAN'
Linux Centos 7.4
Linux R0 
resource r0 {
	proxy {
		memlimit 500M;
	}

	net {
		protocol A;
		on-congestion pull-ahead;
		sndbuf-size 10M;
		congestion-fill 480M;
	}

	on c74-1 {
		node-id 1;
		device    /dev/drbd0;
		disk   /dev/sdd1;
		meta-disk /dev/sdb1;
		address   31.1.1.164:7789;
	}
	on c74-2 {
		node-id 2;
		device    /dev/drbd0;
		disk   /dev/sdd1;
		meta-disk /dev/sdb1;
		address   31.1.1.165:7789;
	}
	on c74-3 {
		node-id 3;
		device    /dev/drbd0;
		disk   /dev/sdd1;
		meta-disk /dev/sdb1;
		address   31.1.1.166:7789;
	}
	on c74-4 {
		node-id 4;
		device    /dev/drbd0;
		disk   /dev/sdd1;
		meta-disk /dev/sdb1;
		address   31.1.1.167:7789;
	}
	connection 1-2 {
		host c74-1 address 31.1.1.164:6677 via proxy on c73-p1 {
			inside 31.1.1.191:6678;
			outside 31.1.1.191:6679;
		}
		host c74-2 address 31.1.1.165:6677 via proxy on c73-p2 {
			inside 31.1.1.192:6678;
			outside 31.1.1.192:6679;
		}
	}
	connection 1-3 {
		host c74-1 address 31.1.1.164:6680 via proxy on c73-p1 {
			inside 31.1.1.191:6681;
			outside 31.1.1.191:6682;
		}
		host c74-3 address 31.1.1.166:6680 via proxy on c73-p2 {
			inside 31.1.1.192:6681;
			outside 31.1.1.192:6682;
		}
	}
	connection 1-4 {
		host c74-1 address 31.1.1.164:6683 via proxy on c73-p1 {
			inside 31.1.1.191:6684;
			outside 31.1.1.191:6685;
		}
		host c74-4 address 31.1.1.167:6683 via proxy on c73-p2 {
			inside 31.1.1.192:6684;
			outside 31.1.1.192:6685;
		}
	}
}
Linux DRX R0 
resource r0 {
	proxy {
		memlimit 500M;
	}

	net {
		protocol A;
		on-congestion pull-ahead;
		sndbuf-size 10M;
		congestion-fill 480M;
	}

	on c74-1 {
		node-id 1;
		device    /dev/drbd0;
		disk   /dev/sdd1;
		meta-disk /dev/sdb1;
		address   31.1.1.164:7789;
	}
	on c74-2 {
		node-id 2;
		device    /dev/drbd1;
		disk   /dev/sdd1;
		meta-disk /dev/sdb1;
		address   31.1.1.165:7789;
	}
	connection 1-2 {
		host c74-1 address 31.1.1.164:6677 via proxy on c73-p1 {
			inside 31.1.1.191:6678;
			outside 31.1.1.191:6679;
		}
		host c74-2 address 31.1.1.165:6677 via proxy on c73-p2 {
			inside 31.1.1.192:6678;
			outside 31.1.1.192:6679;
		}
	}
}
resource r0-1 {
	proxy {
		memlimit 500M;
	}

	net {
		protocol A;
		on-congestion pull-ahead;
		sndbuf-size 10M;
		congestion-fill 480M;
	}

	on c74-1 {
		node-id 1;
		device    /dev/drbd2;
		disk   /dev/sdd2;
		meta-disk /dev/sdb2;
		address   31.1.1.164:7789;
	}
	on c74-3 {
		node-id 3;
		device    /dev/drbd2;
		disk   /dev/sdd2;
		meta-disk /dev/sdb2;
		address   31.1.1.166:7789;
	}
	connection 1-3 {
		host c74-1 address 31.1.1.164:6680 via proxy on c73-p1 {
			inside 31.1.1.191:6681;
			outside 31.1.1.191:6682;
		}
		host c74-3 address 31.1.1.166:6680 via proxy on c73-p2 {
			inside 31.1.1.192:6681;
			outside 31.1.1.192:6682;
		}
	}
}
resource r0-2 {
	proxy {
		memlimit 500M;
	}

	net {
		protocol A;
		on-congestion pull-ahead;
		sndbuf-size 10M;
		congestion-fill 480M;
	}

	on c74-1 {
		node-id 1;
		device    /dev/drbd3;
		disk   /dev/sdd3;
		meta-disk /dev/sdb3;
		address   31.1.1.164:7789;
	}
	on c74-4 {
		node-id 4;
		device    /dev/drbd3;
		disk   /dev/sdd3;
		meta-disk /dev/sdb3;
		address   31.1.1.167:7789;
	}
	connection 1-4 {
		host c74-1 address 31.1.1.164:6683 via proxy on c73-p1 {
			inside 31.1.1.191:6684;
			outside 31.1.1.191:6685;
		}
		host c74-4 address 31.1.1.167:6683 via proxy on c73-p2 {
			inside 31.1.1.192:6684;
			outside 31.1.1.192:6685;
		}
	}
}
  • Same as left
  • Same as 'DRBD in LAN'

N:1

A way to configure mirror on 1 node from N nodes.

Node OS DRBD in LANDRX in LANDRX in RemoteDRBD in Remote
Windows
Windows R0 
resource r0 {
	proxy {
		memlimit 500M;
	}

	net {
		protocol A;
		on-congestion pull-ahead;
		sndbuf-size 10M;
		congestion-fill 480M;
	}

	on w28r2-4 {
		device    d minor 1;
		disk     d;
		meta-disk  m;
		node-id 1;
		address   31.1.1.154:6677;
	}
	on w28r2-7 {
		device    d minor 1;
		disk     d;
		meta-disk  m;
		node-id 4;
		address   31.1.1.157:6677;
	}

	connection 4-7 {
		host w28r2-4 address 31.1.1.154:6677 via proxy on c73-p1 {
			inside 31.1.1.191:6678;
			outside 31.1.1.191:6679;
		}
		host w28r2-7 address 31.1.1.157:6677 via proxy on c73-p2 {
			inside 31.1.1.192:6678;
			outside 31.1.1.192:6679;
		}
	}
}

resource r0-1 {
	proxy {
		memlimit 500M;
	}

	net {
		protocol A;
		on-congestion pull-ahead;
		sndbuf-size 10M;
		congestion-fill 480M;
	}

	on w28r2-5 {
		device    d minor 1;
		disk     d;
		meta-disk  m;
		node-id 2;
		address   31.1.1.155:6680;
	}
	on w28r2-7 {
		device    e minor 2;
		disk     e;
		meta-disk  n;
		node-id 4;
		address   31.1.1.157:6680;
	}
	connection 5-7 {
		host w28r2-5 address 31.1.1.155:6680 via proxy on c73-p1 {
			inside 31.1.1.191:6681;
			outside 31.1.1.191:6682;
		}
		host w28r2-7 address 31.1.1.157:6680 via proxy on c73-p2 {
			inside 31.1.1.192:6681;
			outside 31.1.1.192:6682;
		}
	}
}

resource r0-2 {
	proxy {
		memlimit 500M;
	}

	net {
		protocol A;
		on-congestion pull-ahead;
		sndbuf-size 10M;
		congestion-fill 480M;
	}

	on w28r2-6 {
		device    d minor 1;
		disk     d;
		meta-disk  m;
		node-id 3;
		address   31.1.1.156:6683;
	}
	on w28r2-7 {
		device    f minor 3;
		disk     f;
		meta-disk  o;
		node-id 4;
		address   31.1.1.157:6683;
	}
	connection 6-7 {
		host w28r2-6 address 31.1.1.156:6683 via proxy on c73-p1 {
			inside 31.1.1.191:6684;
			outside 31.1.1.191:6685;
		}
		host w28r2-7 address 31.1.1.157:6683 via proxy on c73-p2 {
			inside 31.1.1.192:6684;
			outside 31.1.1.192:6685;
		}
	}
}
Linux DRX R0 
resource r0 {
	proxy {
		memlimit 500M;
	}

	net {
		protocol A;
		on-congestion pull-ahead;
		sndbuf-size 10M;
		congestion-fill 480M;
	}

	on w28r2-4 {
		device /dev/drbd1;
		disk     /dev/sdd;
		meta-disk  /dev/sdm;
		node-id 1;
		address   31.1.1.154:6677;
	}
	on w28r2-7 {
		device /dev/drbd1;
		disk     /dev/sdd;
		meta-disk  /dev/sdm;
		node-id 4;
		address   31.1.1.157:6677;
	}

	connection 4-7 {
		host w28r2-4 address 31.1.1.154:6677 via proxy on c73-p1 {
			inside 31.1.1.191:6678;
			outside 31.1.1.191:6679;
		}
		host w28r2-7 address 31.1.1.157:6677 via proxy on c73-p2 {
			inside 31.1.1.192:6678;
			outside 31.1.1.192:6679;
		}
	}
}

resource r0-1 {
	proxy {
		memlimit 500M;
	}

	net {
		protocol A;
		on-congestion pull-ahead;
		sndbuf-size 10M;
		congestion-fill 480M;
	}

	on w28r2-5 {
		device /dev/drbd1;
		disk     /dev/sdd;
		meta-disk  /dev/sdm;
		node-id 2;
		address   31.1.1.155:6680;
	}
	on w28r2-7 {
		device    /dev/drbd2;
		disk     /dev/sde;
		meta-disk  /dev/sdn;
		node-id 4;
		address   31.1.1.157:6680;
	}
	connection 5-7 {
		host w28r2-5 address 31.1.1.155:6680 via proxy on c73-p1 {
			inside 31.1.1.191:6681;
			outside 31.1.1.191:6682;
		}
		host w28r2-7 address 31.1.1.157:6680 via proxy on c73-p2 {
			inside 31.1.1.192:6681;
			outside 31.1.1.192:6682;
		}
	}
}

resource r0-2 {
	proxy {
		memlimit 500M;
	}

	net {
		protocol A;
		on-congestion pull-ahead;
		sndbuf-size 10M;
		congestion-fill 480M;
	}

	on w28r2-6 {
		device /dev/drbd1;
		disk     /dev/sdd;
		meta-disk  /dev/sdm;
		node-id 3;
		address   31.1.1.156:6683;
	}
	on w28r2-7 {
		device    /dev/drbd3;
		disk     /dev/sdf;
		meta-disk  /dev/sdo;
		node-id 4;
		address   31.1.1.157:6683;
	}
	connection 6-7 {
		host w28r2-6 address 31.1.1.156:6683 via proxy on c73-p1 {
			inside 31.1.1.191:6684;
			outside 31.1.1.191:6685;
		}
		host w28r2-7 address 31.1.1.157:6683 via proxy on c73-p2 {
			inside 31.1.1.192:6684;
			outside 31.1.1.192:6685;
		}
	}
}
  • Same as left
  • Same as 'DRBD in LAN'
Linux Centos 7.4
Linux R0 
resource r0 {
	proxy {
		memlimit 500M;
	}

	net {
		protocol A;
		on-congestion pull-ahead;
		sndbuf-size 10M;
		congestion-fill 480M;
	}

	on c74-1 {
		device    /dev/drbd1;
		disk   /dev/sdd1;
		meta-disk /dev/sdb1;
		node-id 1;
		address   31.1.1.164:6677;
	}
	on c74-4 {
		device    /dev/drbd1;
		disk   /dev/sdd1;
		meta-disk /dev/sdb1;
		node-id 4;
		address   31.1.1.167:6677;
	}

	connection 1-4 {
		host c74-1 address 31.1.1.164:6677 via proxy on c73-p1 {
			inside 31.1.1.191:6678;
			outside 31.1.1.191:6679;
		}
		host c74-4 address 31.1.1.167:6677 via proxy on c73-p2 {
			inside 31.1.1.192:6678;
			outside 31.1.1.192:6679;
		}
	}
}

resource r0-1 {
	proxy {
		memlimit 500M;
	}

	net {
		protocol A;
		on-congestion pull-ahead;
		sndbuf-size 10M;
		congestion-fill 480M;
	}

	on c74-2 {
		device    /dev/drbd2;
		disk   /dev/sdd2;
		meta-disk /dev/sdb2;
		node-id 2;
		address   31.1.1.165:6680;
	}
	on c74-4 {
		device    /dev/drbd2;
		disk   /dev/sdd2;
		meta-disk /dev/sdb2;
		node-id 4;
		address   31.1.1.167:6680;
	}
	connection 2-4 {
		host c74-2 address 31.1.1.165:6680 via proxy on c73-p1 {
			inside 31.1.1.191:6681;
			outside 31.1.1.191:6682;
		}
		host c74-4 address 31.1.1.168:6680 via proxy on c73-p2 {
			inside 31.1.1.192:6681;
			outside 31.1.1.192:6682;
		}
	}
}

resource r0-2 {
	proxy {
		memlimit 500M;
	}

	net {
		protocol A;
		on-congestion pull-ahead;
		sndbuf-size 10M;
		congestion-fill 480M;
	}

	on c74-3 {
		device    /dev/drbd3;
		disk   /dev/sdd3;
		meta-disk /dev/sdb3;
		node-id 3;
		address   31.1.1.166:6683;
	}
	on c74-4 {
		device    /dev/drbd3;
		disk   /dev/sdd3;
		meta-disk /dev/sdb3;
		node-id 4;
		address   31.1.1.167:6683;
	}
	connection 3-4 {
		host c74-3 address 31.1.1.166:6683 via proxy on c73-p1 {
			inside 31.1.1.191:6684;
			outside 31.1.1.191:6685;
		}
		host c74-4 address 31.1.1.169:6683 via proxy on c73-p2 {
			inside 31.1.1.192:6684;
			outside 31.1.1.192:6685;
		}
	}
}
Linux DRX R0 
resource r0 {
	proxy {
		memlimit 500M;
	}

	net {
		protocol A;
		on-congestion pull-ahead;
		sndbuf-size 10M;
		congestion-fill 480M;
	}

	on c74-1 {
		device    /dev/drbd1;
		disk   /dev/sdd1;
		meta-disk /dev/sdb1;
		node-id 1;
		address   31.1.1.164:6677;
	}
	on c74-4 {
		device    /dev/drbd1;
		disk   /dev/sdd1;
		meta-disk /dev/sdb1;
		node-id 4;
		address   31.1.1.167:6677;
	}

	connection 1-4 {
		host c74-1 address 31.1.1.164:6677 via proxy on c73-p1 {
			inside 31.1.1.191:6678;
			outside 31.1.1.191:6679;
		}
		host c74-4 address 31.1.1.167:6677 via proxy on c73-p2 {
			inside 31.1.1.192:6678;
			outside 31.1.1.192:6679;
		}
	}
}

resource r0-1 {
	proxy {
		memlimit 500M;
	}

	net {
		protocol A;
		on-congestion pull-ahead;
		sndbuf-size 10M;
		congestion-fill 480M;
	}

	on c74-2 {
		device    /dev/drbd2;
		disk   /dev/sdd2;
		meta-disk /dev/sdb2;
		node-id 2;
		address   31.1.1.165:6680;
	}
	on c74-4 {
		device    /dev/drbd2;
		disk   /dev/sdd2;
		meta-disk /dev/sdb2;
		node-id 4;
		address   31.1.1.167:6680;
	}
	connection 2-4 {
		host c74-2 address 31.1.1.165:6680 via proxy on c73-p1 {
			inside 31.1.1.191:6681;
			outside 31.1.1.191:6682;
		}
		host c74-4 address 31.1.1.168:6680 via proxy on c73-p2 {
			inside 31.1.1.192:6681;
			outside 31.1.1.192:6682;
		}
	}
}

resource r0-2 {
	proxy {
		memlimit 500M;
	}

	net {
		protocol A;
		on-congestion pull-ahead;
		sndbuf-size 10M;
		congestion-fill 480M;
	}

	on c74-3 {
		device    /dev/drbd3;
		disk   /dev/sdd3;
		meta-disk /dev/sdb3;
		node-id 3;
		address   31.1.1.166:6683;
	}
	on c74-4 {
		device    /dev/drbd3;
		disk   /dev/sdd3;
		meta-disk /dev/sdb3;
		node-id 4;
		address   31.1.1.167:6683;
	}
	connection 3-4 {
		host c74-3 address 31.1.1.166:6683 via proxy on c73-p1 {
			inside 31.1.1.191:6684;
			outside 31.1.1.191:6685;
		}
		host c74-4 address 31.1.1.169:6683 via proxy on c73-p2 {
			inside 31.1.1.192:6684;
			outside 31.1.1.192:6685;
		}
	}
}
  • Same as left
  • Same as 'DRBD in LAN'

N:N

A way to configure mirror on N nodes from N nodes.

Node OS DRBD in LANDRX in LANDRX in RemoteDRBD in Remote
Windows
Windows R0 
resource r0 {
	proxy {
		memlimit 500M;
	}

	net {
		protocol A;
		on-congestion pull-ahead;
		sndbuf-size 10M;
		congestion-fill 480M;
	}

	on w28r2-4 {
		device    d minor 1;
		disk     d;
		meta-disk  m;
		node-id 1;
		address   31.1.1.154:6677;
	}
	on w28r2-7 {
		device    d minor 1;
		disk     d;
		meta-disk  m;
		node-id 4;
		address   31.1.1.157:6677;
	}

	connection 4-7 {
		host w28r2-4 address 31.1.1.154:6677 via proxy on c73-p1 {
			inside 31.1.1.191:6678;
			outside 31.1.1.191:6679;
		}
		host w28r2-7 address 31.1.1.157:6677 via proxy on c73-p2 {
			inside 31.1.1.192:6678;
			outside 31.1.1.192:6679;
		}
	}
}

resource r0-1 {
	proxy {
		memlimit 500M;
	}

	net {
		protocol A;
		on-congestion pull-ahead;
		sndbuf-size 10M;
		congestion-fill 480M;
	}

	on w28r2-5 {
		device    d minor 1;
		disk     d;
		meta-disk  m;
		node-id 2;
		address   31.1.1.155:6680;
	}
	on w28r2-6 {
		device    d minor 1;
		disk     d;
		meta-disk  m;
		node-id 3;
		address   31.1.1.156:6680;
	}
	connection 5-6 {
		host w28r2-5 address 31.1.1.155:6680 via proxy on c73-p1 {
			inside 31.1.1.191:6681;
			outside 31.1.1.191:6682;
		}
		host w28r2-6 address 31.1.1.156:6680 via proxy on c73-p2 {
			inside 31.1.1.192:6681;
			outside 31.1.1.192:6682;
		}
	}
}
Linux DRX R0 
resource r0 {
	proxy {
		memlimit 500M;
	}

	net {
		protocol A;
		on-congestion pull-ahead;
		sndbuf-size 10M;
		congestion-fill 480M;
	}

	on w28r2-4 {
		device /dev/drbd1;
		disk     /dev/sdd;
		meta-disk  /dev/sdm;
		node-id 1;
		address   31.1.1.154:6677;
	}
	on w28r2-7 {
		device /dev/drbd1;
		disk     /dev/sdd;
		meta-disk  /dev/sdm;
		node-id 4;
		address   31.1.1.157:6677;
	}

	connection 4-7 {
		host w28r2-4 address 31.1.1.154:6677 via proxy on c73-p1 {
			inside 31.1.1.191:6678;
			outside 31.1.1.191:6679;
		}
		host w28r2-7 address 31.1.1.157:6677 via proxy on c73-p2 {
			inside 31.1.1.192:6678;
			outside 31.1.1.192:6679;
		}
	}
}

resource r0-1 {
	proxy {
		memlimit 500M;
	}

	net {
		protocol A;
		on-congestion pull-ahead;
		sndbuf-size 10M;
		congestion-fill 480M;
	}

	on w28r2-5 {
		device /dev/drbd1;
		disk     /dev/sdd;
		meta-disk  /dev/sdm;
		node-id 2;
		address   31.1.1.155:6680;
	}
	on w28r2-6 {
		device /dev/drbd1;
		disk     /dev/sdd;
		meta-disk  /dev/sdm;
		node-id 3;
		address   31.1.1.156:6680;
	}
	connection 5-6 {
		host w28r2-5 address 31.1.1.155:6680 via proxy on c73-p1 {
			inside 31.1.1.191:6681;
			outside 31.1.1.191:6682;
		}
		host w28r2-6 address 31.1.1.156:6680 via proxy on c73-p2 {
			inside 31.1.1.192:6681;
			outside 31.1.1.192:6682;
		}
	}
}
  • Same as left
  • Same as 'DRBD in LAN'
Linux Centos 7.4
Linux R0 
resource r0 {
	proxy {
		memlimit 500M;
	}

	net {
		protocol A;
		on-congestion pull-ahead;
		sndbuf-size 10M;
		congestion-fill 480M;
	}

	on c74-1 {
		device /dev/drbd1;
		disk     /dev/sdd1;
		meta-disk  /dev/sdb1;
		node-id 1;
		address   31.1.1.164:6677;
	}
	on c74-4 {
		device /dev/drbd1;
		disk     /dev/sdd1;
		meta-disk  /dev/sdb1;
		node-id 4;
		address   31.1.1.167:6677;
	}

	connection 1-4 {
		host c74-1 address 31.1.1.164:6677 via proxy on c73-p1 {
			inside 31.1.1.191:6678;
			outside 31.1.1.191:6679;
		}
		host c74-4 address 31.1.1.167:6677 via proxy on c73-p2 {
			inside 31.1.1.192:6678;
			outside 31.1.1.192:6679;
		}
	}
}

resource r0-1 {
	proxy {
		memlimit 500M;
	}

	net {
		protocol A;
		on-congestion pull-ahead;
		sndbuf-size 10M;
		congestion-fill 480M;
	}

	on c74-2 {
		device /dev/drbd1;
		disk     /dev/sdd1;
		meta-disk  /dev/sdb1;
		node-id 2;
		address   31.1.1.165:6680;
	}
	on c74-3 {
		device /dev/drbd1;
		disk     /dev/sdd1;
		meta-disk  /dev/sdb1;
		node-id 3;
		address   31.1.1.166:6680;
	}
	connection 2-3 {
		host c74-2 address 31.1.1.165:6680 via proxy on c73-p1 {
			inside 31.1.1.191:6681;
			outside 31.1.1.191:6682;
		}
		host c74-3 address 31.1.1.166:6680 via proxy on c73-p2 {
			inside 31.1.1.192:6681;
			outside 31.1.1.192:6682;
		}
	}
}
Linux DRX R0 
resource r0 {
	proxy {
		memlimit 500M;
	}

	net {
		protocol A;
		on-congestion pull-ahead;
		sndbuf-size 10M;
		congestion-fill 480M;
	}

	on c74-1 {
		device /dev/drbd1;
		disk     /dev/sdd1;
		meta-disk  /dev/sdb1;
		node-id 1;
		address   31.1.1.164:6677;
	}
	on c74-4 {
		device /dev/drbd1;
		disk     /dev/sdd1;
		meta-disk  /dev/sdb1;
		node-id 4;
		address   31.1.1.167:6677;
	}

	connection 1-4 {
		host c74-1 address 31.1.1.164:6677 via proxy on c73-p1 {
			inside 31.1.1.191:6678;
			outside 31.1.1.191:6679;
		}
		host c74-4 address 31.1.1.167:6677 via proxy on c73-p2 {
			inside 31.1.1.192:6678;
			outside 31.1.1.192:6679;
		}
	}
}

resource r0-1 {
	proxy {
		memlimit 500M;
	}

	net {
		protocol A;
		on-congestion pull-ahead;
		sndbuf-size 10M;
		congestion-fill 480M;
	}

	on c74-2 {
		device /dev/drbd1;
		disk     /dev/sdd1;
		meta-disk  /dev/sdb1;
		node-id 2;
		address   31.1.1.165:6680;
	}
	on c74-3 {
		device /dev/drbd1;
		disk     /dev/sdd1;
		meta-disk  /dev/sdb1;
		node-id 3;
		address   31.1.1.166:6680;
	}
	connection 2-3 {
		host c74-2 address 31.1.1.165:6680 via proxy on c73-p1 {
			inside 31.1.1.191:6681;
			outside 31.1.1.191:6682;
		}
		host c74-3 address 31.1.1.166:6680 via proxy on c73-p2 {
			inside 31.1.1.192:6681;
			outside 31.1.1.192:6682;
		}
	}
}
  • Same as left
  • Same as 'DRBD in LAN'

MDR

Mirror DR (MDR) configuration is a way to configure mirror on one node to two nodes.


Node OSDRBD in LANDRX in LAN DRX in RemoteDRBD in Remote

Windows

Windows node r0 
resource r0 {
	proxy {
		memlimit 500M;
	}

	net {
		protocol A;
		on-congestion pull-ahead;
		sndbuf-size 10M;
		congestion-fill 480M;
	}

	device d;
	disk  d;
	meta-disk m;

	on w28r2-4 {
		node-id 1;
	}
	on w28r2-5 {
		node-id 2;
	}
	on w28r2-6 {
		node-id 3;
	}

	connection DR-4-6 {
		host w28r2-4 address 31.1.1.154:6677 via proxy on c73-p1 {
			inside 31.1.1.191:6678;
			outside 31.1.1.191:6679;
		}
		host w28r2-6 address 31.1.1.156:6677 via proxy on c73-p2 {
			inside 31.1.1.192:6678;
			outside 31.1.1.192:6679;
		}
	}

	connection DR-5-6 {
		host w28r2-5 address 31.1.1.155:6680 via proxy on c73-p1 {
			inside 31.1.1.191:6681;
			outside 31.1.1.191:6682;
		}
		host w28r2-6 address 31.1.1.156:6680 via proxy on c73-p2 {
			inside 31.1.1.192:6681;
			outside 31.1.1.192:6682;
		}
	}

	connection {
		host w28r2-4 address 31.1.1.154:6676;
		host w28r2-5 address 31.1.1.155:6676;
	}
}
Linux DRX R0 
resource r0 {
	proxy {
		memlimit 500M;
	}

	net {
		protocol A;
		on-congestion pull-ahead;
		sndbuf-size 10M;
		congestion-fill 480M;
	}

	device /dev/drbd0;
	disk  /dev/sdd;
	meta-disk /dev/sdm;

	on w28r2-4 {
		node-id 1;
	}
	on w28r2-6 {
		node-id 3;
	}

	connection DR-4-6 {
		host w28r2-4 address 31.1.1.154:6677 via proxy on c73-p1 {
			inside 31.1.1.191:6678;
			outside 31.1.1.191:6679;
		}
		host w28r2-6 address 31.1.1.156:6677 via proxy on c73-p2 {
			inside 31.1.1.192:6678;
			outside 31.1.1.192:6679;
		}
	}
}

resource r0-1 {
	proxy {
		memlimit 500M;
	}

	net {
		protocol A;
		verify-alg crc32c;
		on-congestion pull-ahead;
		sndbuf-size 10M;
		congestion-fill 480M;
	}

	device /dev/drbd1;
	disk  /dev/sdd1;
	meta-disk /dev/sdm1;

	on w28r2-5 {
		node-id 2;
	}
	on w28r2-6 {
		node-id 3;
	}

	connection DR-5-6 {
		host w28r2-5 address 31.1.1.155:6680 via proxy on c73-p1 {
			inside 31.1.1.191:6681;
			outside 31.1.1.191:6682;
		}
		host w28r2-6 address 31.1.1.156:6680 via proxy on c73-p2 {
			inside 31.1.1.192:6681;
			outside 31.1.1.192:6682;
		}
	}
}
  • Same as left
  • Same as 'DRBD in LAN'
Linux Centos 7.4
Linux r0 
resource r0 {
	proxy {
		memlimit 500M;
	}

	net {
		protocol A;
		on-congestion pull-ahead;
		sndbuf-size 10M;
		congestion-fill 480M;
	}

	device /dev/drbd0;
	disk  /dev/sdd1;
	meta-disk /dev/sdb1;

	on c74-1 {
		node-id 1;
	}
	on c74-2 {
		node-id 2;
	}
	on c74-3 {
		node-id 3;
	}

	connection DR-4-6 {
		host c74-1 address 31.1.1.164:6677 via proxy on c73-p1 {
			inside 31.1.1.191:6678;
			outside 31.1.1.191:6679;
		}
		host c74-3 address 31.1.1.166:6677 via proxy on c73-p2 {
			inside 31.1.1.192:6678;
			outside 31.1.1.192:6679;
		}
	}

	connection DR-5-6 {
		host c74-2 address 31.1.1.165:6680 via proxy on c73-p1 {
			inside 31.1.1.191:6681;
			outside 31.1.1.191:6682;
		}
		host c74-3 address 31.1.1.166:6680 via proxy on c73-p2 {
			inside 31.1.1.192:6681;
			outside 31.1.1.192:6682;
		}
	}

	connection {
		host c74-1 address 31.1.1.164:6676;
		host c74-2 address 31.1.1.165:6676;
	}
}
Linux DRX R0 
resource r0 {
	proxy {
		memlimit 500M;
	}

	net {
		protocol A;
		on-congestion pull-ahead;
		sndbuf-size 10M;
		congestion-fill 480M;
	}

	device /dev/drbd0;
	disk  /dev/sdd1;
	meta-disk /dev/sdb1;

	on c74-1 {
		node-id 1;
	}
	on c74-3 {
		node-id 3;
	}

	connection DR-4-6 {
		host c74-1 address 31.1.1.164:6677 via proxy on c73-p1 {
			inside 31.1.1.191:6678;
			outside 31.1.1.191:6679;
		}
		host c74-3 address 31.1.1.166:6677 via proxy on c73-p2 {
			inside 31.1.1.192:6678;
			outside 31.1.1.192:6679;
		}
	}
}

resource r0-1 {
	proxy {
		memlimit 500M;
	}

	net {
		protocol A;
		on-congestion pull-ahead;
		sndbuf-size 10M;
		congestion-fill 480M;
	}

	device /dev/drbd1;
	disk  /dev/sdd2;
	meta-disk /dev/sdb2;

	on c74-2 {
		node-id 2;
	}
	on c74-3 {
		node-id 3;
	}

	connection DR-5-6 {
		host c74-2 address 31.1.1.165:6680 via proxy on c73-p1 {
			inside 31.1.1.191:6681;
			outside 31.1.1.191:6682;
		}
		host c74-3 address 31.1.1.166:6680 via proxy on c73-p2 {
			inside 31.1.1.192:6681;
			outside 31.1.1.192:6682;
		}
	}
}
  • Same as left
  • Same as 'DRBD in LAN'

SDR

A way to configure mirror on a DR node on nodes that uses a shared disk.

Node OS DRBD in LANDRX in LANDRX in RemoteDRBD in Remote
Windows
Windows Node R0 
resource r0 {
	options {
		svc-autostart no; # => SDR 구성시 필수!(DR 노드 설정에선 제외)
	}
	protocol A;
	device d  minor 1;
	disk d;
	meta-disk m;
	net {
		ping-timeout 300;
	}

	proxy {
		memlimit 500M;
	}
	floating 31.1.1.240:7780 {
		#node-id 0;
		proxy on 74a1p-1 {
			inside 31.1.1.191:7801;
			outside 31.1.1.191:7802;
		}
	}
	floating 31.1.1.243:7780 {
		#node-id 1;
		proxy on 74a1p-2 {
			inside 31.1.1.192:7801;
			outside 31.1.1.192:7802;
		}
	}
}
Linux DRX R0 
resource r0 {
        protocol A;
        device /dev/drbd1; # minor 1;
        disk /dev/sdb1;
        meta-disk internal;

        proxy {
                memlimit 500M;
        }
        net {
                #on-congestion pull-ahead;
                #congestion-fill 550M;
        }
        floating 31.1.1.240:7780 {
                #node-id 0;
                proxy on 74a1p-1 {
                        inside 31.1.1.191:7801;
                        outside 31.1.1.191:7802;
                }
        }
        floating 31.1.1.143:7780 {
                #node-id 1;
                proxy on 74a1p-2 {
                        inside 31.1.1.192:7801;
                        outside 31.1.1.192:7802;
                }
        }
}
  • Same as left
Windows DR R0 
resource r0 {
	protocol A;
	device d  minor 1;
	disk d;
	meta-disk m;
	net {
		ping-timeout 300;
	}

	proxy {
		memlimit 500M;
	}
	floating 31.1.1.240:7780 {
		#node-id 0;
		proxy on 74a1p-1 {
			inside 31.1.1.191:7801;
			outside 31.1.1.191:7802;
		}
	}
	floating 31.1.1.243:7780 {
		#node-id 1;
		proxy on 74a1p-2 {
			inside 31.1.1.192:7801;
			outside 31.1.1.192:7802;
		}
	}
}
Linux Centos 7.4
Linux R0 
resource r0 {
	protocol A;
	device /dev/drbd1; # minor 1;
	disk /dev/sdb;
	meta-disk internal;

	proxy {
		memlimit 500M;
	}
	floating 31.1.1.140:7780 {
		#node-id 0;
		proxy on 74a1p-1 {
			inside 31.1.1.191:7801;
			outside 31.1.1.191:7802;
		}
	}
	floating 31.1.1.143:7780 {
		#node-id 1;
		proxy on 74a1p-2 {
			inside 31.1.1.192:7801;
			outside 31.1.1.192:7802;
		}
	}
}
Linux DRX R0 
resource r0 {
	protocol A;
	device /dev/drbd1; # minor 1;
	disk /dev/sdb;
	meta-disk internal;

	proxy {
		memlimit 500M;
	}
	floating 31.1.1.140:7780 {
		#node-id 0;
		proxy on 74a1p-1 {
			inside 31.1.1.191:7801;
			outside 31.1.1.191:7802;
		}
	}
	floating 31.1.1.143:7780 {
		#node-id 1;
		proxy on 74a1p-2 {
			inside 31.1.1.192:7801;
			outside 31.1.1.192:7802;
		}
	}
}
  • Same as left
  • Same as 'DRBD in LAN'