Page Comparison

Table of Contents

1. MDR

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

...

Node OS

DRBD in LAN

DRX in LAN

DRX in Remote

DRBD in Remote

Windows

Code Block

title	Windows node r0
collapse	true

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;
	}
}

Code Block

title	Linux DRX R0
collapse	true

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

Code Block

title	Linux r0
collapse	true

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;
	}
}

Code Block

title	Linux DRX R0
collapse	true

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'

2. 1:N

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

Node OS

DRBD

DRX in LAN

DRX in Remote

DRBD in Remote

Windows

Code Block

title	Windows R0
collapse	true

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;
		}
	}
}

Code Block

title	Linux DRX R0
collapse	true

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

Code Block

title	Linux R0
collapse	true

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;
		}
	}
}

Code Block

title	Linux DRX R0
collapse	true

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'

3. N:1

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

Node OS

DRBD in LAN

DRX in LAN

DRX in Remote

DRBD in Remote

Windows

Code Block

title	Windows R0
collapse	true

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;
		}
	}
}

Code Block

title	Linux DRX R0
collapse	true

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

Code Block

title	Linux R0
collapse	true

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;
		}
	}
}

Code Block

title	Linux DRX R0
collapse	true

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'

4. N:N

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

Node OS

DRBD in LAN

DRX in LAN

DRX in Remote

DRBD in Remote

Windows

Code Block

title	Windows R0
collapse	true

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;
		}
	}
}

Code Block

title	Linux DRX R0
collapse	true

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

Code Block

title	Linux R0
collapse	true

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;
		}
	}
}

Code Block

title	Linux DRX R0
collapse	true

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'

5. SDR

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

...

Versions Compared

Old Version 2

New Version 3

Key

1. MDR

2. 1:N

3. N:1

4. N:N

5. SDR