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Table of Contents

1

...

:N 

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

Node
OS
OS  DRBD
in LAN
DRX in
LAN 
LANDRX in RemoteDRBD in Remote
Windows


Code Block
titleWindows
node r0
R0
collapsetrue
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;
on
address
w28r2-4
{ node-id 1
 31.1.1.154:7789;
	}
	on w28r2-5 {
		node-id 2;
} on w28r2-6 {
device    d minor 1;
node-id
disk
3;
}
connection
DR-4-6 {
 d;
host w28r2-4 address
meta-disk m;
		address   31.1.1.
154
155:
6677
7789;
via
	}
proxy 
	on
c73
w28r2-
p1
6 {
		node-id 3;
inside 31.1.1.191:6678
device    d minor 1;
outside 31.1.1.191:6679
disk      d;
}
meta-disk m;
host
address
w28r2-6
address
 31.1.1.156:
6677
7789;
via
	}
proxy 
	on
c73
w28r2-
p2
7 {
		node-id 4;
inside 31.1.1.192:6678
device    d minor 1;
outside 31
disk      d;
		meta-disk m;
		address   31.1.1.
192
157:
6679
7789;
}

	}

	connection
DR
4-5
-6
 {
		host w28r2-
5
4 address 31.1.1.
155
154:
6680
6677 via proxy on c73-p1 {
			inside 31.1.1.191:
6681
6678;
			outside 31.1.1.191:
6682
6679;
		}
		host w28r2-
6
5 address 31.1.1.
156
155:
6680
6677 via proxy on c73-p2 {
			inside 31.1.1.192:
6681
6678;
			outside 31.1.1.192:
6682
6679;
		}
	}

	connection 4-6 {
		host w28r2-4 address 31.1.1.154
:6676; 
:6680 via proxy on c73-p1 {
			inside 31.1.1.191:6681;
			outside 31.1.1.191:6682;
		}
		host w28r2-
5
6 address 31.1.1.
155
156:
6676;
6680
} } Code Block
titleLinux DRX R0
collapsetrue
resource r0
via proxy on c73-p2 {
proxy { memlimit 500M
inside 31.1.1.192:6681;
			outside 31.1.1.192:6682;
		}
	}
net
connection 4-7 {
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 
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.
154
157:
6677
6683 via proxy on c73-
p1
p2 {
			inside 31.1.1.
191
192:
6678
6684;
			outside 31.1.1.
191
192:
6679
6685;
		}
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
}
}



Code Block
titleLinux DRX R0
collapsetrue
resource r0 {
	proxy {
		memlimit 500M;
	}

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

	on w28r2-4 {
		node-id 1;
		device    /dev/drbd1;
		disk   /dev/
sdd1
sdm1;
		meta-disk /dev/sdm1;
on
address
w28r2-5
{ node-id 2
 31.1.1.154:7789;
	}
	on w28r2-
6
5 {
		node-id
3
 2;
		device    /dev/drbd2;
		disk   /dev/sdm2;
		meta-disk /dev/sdm2;
		address   31.1.1.155:7789;
	}

	connection
DR
4-5
-6
 {
		host w28r2-
5
4 address 31.1.1.
155
154:
6680
6677 via proxy on c73-p1 {
			inside 31.1.1.191:
6681
6678;
			outside 31.1.1.191:
6682
6679;
		}
		host w28r2-
6
5 address 31.1.1.
156
155:
6680
6677 via proxy on c73-p2 {
			inside 31.1.1.192:
6681
6678;
			outside 31.1.1.192:
6682
6679;
		}
	}
}
  • Same as left
  • Same as 'DRBD in LAN'
Linux Centos 7.4 Code Block
titleLinux r0
collapsetrue


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/
drbd0
drbd2;
		disk   /dev/
sdd1
sdm2;
		meta-disk /dev/
sdb1
sdm2;
on
address
c74-1
{ node-id 1
 31.1.1.154:7789;
	}
	on
c74
w28r2-
2
6 {
		node-id
2
3;
} on c74-3 { node-id 3
	device    /dev/drbd3;
		disk   /dev/sdm3;
		meta-disk /dev/sdm3;
		address   31.1.1.156:7789;
	}

	connection
DR-
4-6 {
		host
c74
w28r2-
1
4 address 31.1.1.
164
154:
6677
6680 via proxy on c73-p1 {
			inside 31.1.1.191:
6678
6681;
			outside 31.1.1.191:
6679
6682;
		}
		host
c74
w28r2-
3
6 address 31.1.1.
166
156:
6677
6680 via proxy on c73-p2 {
			inside 31.1.1.192:
6678
6681;
			outside 31.1.1.192:
6679
6682;
		}
	}
}
connection
resource
DR
r0-
5-6
2 {
host c74-2 address 31.1.1.165:6680 via proxy on c73-p1 
proxy {
		memlimit 500M;
	}

	net {
inside 31.1.1.191:6681
protocol A;
outside 31.1.1.191:6682
on-congestion pull-ahead;
}
sndbuf-size 10M;
host c74
congestion-
3
fill
address 31.1.1.166:6680 via proxy on c73-p2
480M;
	}

	on w28r2-4 {
inside 31.1.1.192:6681
node-id 1;
outside 31.1.1.192:6682
device    /dev/drbd3;
}
disk
}
connection {
/dev/sdm3;
host c74
meta-
1 address 31.1.1.164:6676
disk /dev/sdm3;
host
address
c74-2
address
 31.1.1.
165
154:
6676
7789;
	}
} Code Block
titleLinux DRX R0
collapsetrue
resource r0 { proxy
	on w28r2-7 {
memlimit
node-id
500M
4;
}
	device
net
{ protocol A
 /dev/drbd3;
on-congestion pull-ahead; sndbuf-size 10M; congestion-fill 480M; } device
disk   /dev/
drbd0
sdm3;
disk /dev/sdd1; 
	meta-disk /dev/
sdb1
sdm3;
on
address
c74-1
{ node-id 1
 31.1.1.157:7789;
	}
on c74-3 {
node-id 3; } 
connection
DR-
4-
6
7 {
		host
c74
w28r2-
1
4 address 31.1.1.
164
154:
6677
6683 via proxy on c73-p1 {
			inside 31.1.1.191:
6678
6684;
			outside 31.1.1.191:
6679
6685;
		}
		host
c74
w28r2-
3
7 address 31.1.1.
166
157:
6677
6683 via proxy on c73-p2 {
			inside 31.1.1.192:
6678
6684;
			outside 31.1.1.192:
6679
6685;
		}
	}
}
resource r0-1

  • Same as left
  • Same as 'DRBD in LAN'

Linux Centos 7.4

 Code Block
titleLinux R0
collapsetrue
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/
drbd1
drbd0;
		disk   /dev/
sdd2
sdd1;
		meta-disk /dev/
sdb2
sdb1;



		
on
address 
c74-2
 
{
		node-id 2
 31.1.1.164:7789;
	}
	on c74-
3
2 {
		node-id 
3
2;
	
}
	device  
	connection
 
DR-5-6 {
 /dev/drbd0;
		
host
disk  
c74-2 address 31.1.1.165:6680 via proxy on c73-p1 {
			inside 31.1.1.191:6681;
			outside
 /dev/sdd1;
		meta-disk /dev/sdb1;
		address   31.1.1.
191
165:
6682
7789;

	
	}
	
	host
on c74-3 
address 31.1.1.166:6680 via proxy on c73-p2 {
			inside 31.1.1.192:6681;
			outside
{
		node-id 3;
		device    /dev/drbd0;
		disk   /dev/sdd1;
		meta-disk /dev/sdb1;
		address   31.1.1.
192
166:
6682
7789;

	
	}
	
}
on 
}

  • Same as left
  • Same as 'DRBD in LAN'
2. 1:N 
A way to configure mirror on N nodes from one node.
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  
Node OS  DRBDDRX in LANDRX in RemoteDRBD in Remote
Windows
 Code Block
titleWindows R0
collapsetrue
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.
154:7789;
	}
	on w28r2-5
164:6677 via proxy on c73-p1 {
		
node-id 2
	inside 31.1.1.191:6678;
			
device    d minor 1
outside 31.1.1.191:6679;
		
disk      d;
		meta-disk m;
		address  
}
		host c74-2 address 31.1.1.
155:7789;
	}
	on w28r2-6
165:6677 via proxy on c73-p2 {
	
	node-id 3;

		
device    d minor 1;
		disk      d;
		meta-disk m;
		address  
inside 31.1.1.192:6678;
			outside 31.1.1.192:6679;
		}
	}
	connection 1-3 {
		host c74-1 address 31.1.1.
156:7789;
	}
	on w28r2-7
164:6680 via proxy on c73-p1 {
			
node-id 4
inside 31.1.1.191:6681;
			
device    d minor 1;
		disk      d;
		meta-disk m;
		address  
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.
157
192:
7789
6682;
		}
	}
	connection 1-4
-5
 {
		host 
w28r2
c74-
4
1 address 31.1.1.
154
164:
6677
6683 via proxy on c73-p1 {
			inside 31.1.1.191:
6678
6684;
			outside 31.1.1.191:
6679
6685;
		}
		host 
w28r2
c74-
5
4 address 31.1.1.
155
167:
6677
6683 via proxy on c73-p2 {
			inside 31.1.1.192:
6678
6684;
			outside 31.1.1.192:6685;
		}
	}
}


 Code Block
titleLinux DRX R0
collapsetrue
resource r0 {
	proxy {
		memlimit 500M;
	}

	net {
		protocol A;
		on-congestion pull-ahead;
		sndbuf-size 10M;
		
	outside 31.1.1.192:6679
congestion-fill 480M;
	
	
}

	}

	
connection
on 
4
c74-
6
1 {
		
host w28r2-4 address 31.1.1.154:6680 via proxy on c73-p1 {
			inside 31.1.1.191:6681;
			outside
node-id 1;
		device    /dev/drbd0;
		disk   /dev/sdd1;
		meta-disk /dev/sdb1;
		address   31.1.1.
191
164:
6682
7789;
	
	}
}
	on c74-2 {
		
host w28r2
node-
6
id 
address 31.1.1.156:6680 via proxy on c73-p2 {
			inside 31.1.1.192:6681;
			outside
2;
		device    /dev/drbd1;
		disk   /dev/sdd1;
		meta-disk /dev/sdb1;
		address   31.1.1.
192
165:
6682
7789;

		}

	}
	connection 
4
1-
7
2 {
		host 
w28r2
c74-
4
1 address 31.1.1.
154
164:
6683
6677 via proxy on c73-p1 {
			inside 31.1.1.191:
6684
6678;
			outside 31.1.1.191:
6685
6679;
		}
		host 
w28r2
c74-
7
2 address 31.1.1.
157
165:
6683
6677 via proxy on c73-p2 {
			inside 31.1.1.192:
6684
6678;
			outside 31.1.1.192:
6685
6679;
		}
	}
}
 Code Block
titleLinux DRX R0
collapsetrue

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

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

	on 
w28r2
c74-
4
1 {
		node-id 1;
		device    /dev/
drbd1
drbd2;
		disk   /dev/
sdm1
sdd2;
		meta-disk /dev/
sdm1
sdb2;
		address   31.1.1.
154
164:7789;
	}
	on 
w28r2
c74-
5
3 {
		node-id 
2
3;
		device    /dev/drbd2;
		disk   /dev/
sdm2
sdd2;
		meta-disk /dev/
sdm2
sdb2;
		address   31.1.1.
155
166:7789;
	}
	connection 
4
1-
5
3 {
		host 
w28r2
c74-
4
1 address 31.1.1.
154
164:
6677
6680 via proxy on c73-p1 {
			inside 31.1.1.191:
6678
6681;
			outside 31.1.1.191:
6679
6682;
		}
		host 
w28r2
c74-
5
3 address 31.1.1.
155
166:
6677
6680 via proxy on c73-p2 {
			inside 31.1.1.192:
6678
6681;
			outside 31.1.1.192:
6679
6682;
		}
	}
}



resource r0-
1
2 {
	proxy {
		memlimit 500M;
	}

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

	on 
w28r2
c74-
4
1 {
		node-id 1;
		device    /dev/
drbd2
drbd3;
		disk   /dev/
sdm2
sdd3;
		meta-disk /dev/
sdm2
sdb3;
		address   31.1.1.
154
164:7789;
	}
	on 
w28r2
c74-
6
4 {
		node-id 
3
4;
		device    /dev/drbd3;
		disk   /dev/
sdm3
sdd3;
		meta-disk /dev/
sdm3
sdb3;
		address   31.1.1.
156
167:7789;
	}
	connection 1-4
-6
 {
		host 
w28r2
c74-
4
1 address 31.1.1.
154
164:
6680
6683 via proxy on c73-p1 {
			inside 31.1.1.191:
6681
6684;
			outside 31.1.1.191:
6682
6685;
		}
		host 
w28r2
c74-
6
4 address 31.1.1.
156
167:
6680
6683 via proxy on c73-p2 {
			inside 31.1.1.192:
6681
6684;
			outside 31.1.1.
1.192:6682;
		}
	}
}

resource r0-2
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

 Code Block
titleWindows R0
collapsetrue
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/drbd3;
		disk   /dev/sdm3;
		meta-disk /dev/sdm3;
		address   31.1.1.154:7789;
	}
	on w28r2-7
 {
		
node-id 4
device    d minor 1;
		
device
disk     
/dev/drbd3
d;
		meta-disk  
 /dev/sdm3
m;
		
meta
node-
disk /dev/sdm3
id 1;
		address   31.1.1.
157
154:
7789
6677;
	}
	
connection
on 
4
w28r2-7 {
		
host
device 
w28r2-4
 
address
 
31.1.1.154:6683 via proxy on c73-p1 {
			inside 31.1.1.191:6684
 d minor 1;
		
	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
disk     d;
		meta-disk  m;
		node-id 4;
		address   31.1.1.
192
157:
6685
6677;

	
	}

	
}
}

  • Same as left
  • Same as 'DRBD in LAN'
Linux Centos 7.4 Code Block
titleLinux R0
collapsetrue
resource r0
connection 4-7 {
	
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  
	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.
164
192:
7789
6679;
		}
	
on c74-2
}
}

resource r0-1 {
	proxy {
		
node-id
memlimit 
2
500M;
	}

	
device
net {

  /dev/drbd0
		protocol A;
		
disk   /dev/sdd1
on-congestion pull-ahead;
		
meta
sndbuf-
disk /dev/sdb1
size 10M;
		
address   31.1.1.165:7789
congestion-fill 480M;
	}

	on 
c74
w28r2-
3
5 {
		
node-id 3
device    d minor 1;
		
device
disk     
/dev/drbd0
d;
		meta-disk  
 /dev/sdd1
m;
		
meta
node-
disk /dev/sdb1
id 2;
		address   31.1.1.
166
155:
7789
6680;
	}
	on 
c74
w28r2-
4
7 {

		node-id 4;

		device    e minor 
/dev/drbd0
2;
		disk     
/dev/sdd1
e;
		meta-disk 
/dev/sdb1
 n;
		node-id 4;
		address   31.1.1.
167
157:
7789
6680;
	}
	connection 
1
5-
2
7 {
		host 
c74
w28r2-
1
5 address 31.1.1.
164
155:
6677
6680 via proxy on c73-p1 {
			inside 31.1.1.191:
6678
6681;
			outside 31.1.1.191:
6679
6682;
		}
		host 
c74
w28r2-
2 address
7 address 31.1.1.157:6680 via proxy on c73-p2 {
			inside 31.1.1.192:6681;
			outside 31.1.1.
165:6677 via proxy on c73-p2
192:6682;
		}
	}
}

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

	net {
		
	inside 31.1.1.192:6678
protocol A;
		on-congestion pull-ahead;
		
	outside 31.1.1.192:6679
sndbuf-size 10M;
		
}
congestion-fill 480M;
	}

	
connection
on 
1
w28r2-
3
6 {
		
host c74-1 address 31.1.1.164:6680 via proxy on c73-p1 {
			inside 31.1.1.191:6681;
			outside
device    d minor 1;
		disk     d;
		meta-disk  m;
		node-id 3;
		address   31.1.1.
191
156:
6682
6683;
	
	}
}
	on w28r2-7 {
		
host c74-3 address 31.1.1.166:6680 via proxy on c73-p2 {
			inside 31.1.1.192:6681;
			outside
device    f minor 3;
		disk     f;
		meta-disk  o;
		node-id 4;
		address   31.1.1.
192
157:
6682
6683;

	
	}
	
}
	
connection 
1
6-
4
7 {
		host 
c74
w28r2-
1
6 address 31.1.1.
164
156:6683 via proxy on c73-p1 {
			inside 31.1.1.191:6684;
			outside 31.1.1.191:6685;
		}
		host 
c74
w28r2-
4
7 address 31.1.1.
167
157:6683 via proxy on c73-p2 {
			inside 31.1.1.192:6684;
			outside 31.1.1.192:6685;
		}
	}
}



 Code Block
titleLinux DRX R0
collapsetrue
resource r0 {
	proxy {
		memlimit 500M;
	}

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

	on 
c74
w28r2-
1
4 {
		
node-id 1;
		
device
   
 /dev/
drbd0
drbd1;
		disk     /dev/
sdd1
sdd;
		meta-disk  /dev/
sdb1
sdm;
		node-id 1;
		address   31.1.1.
164
154:
7789
6677;
	}
	on 
c74
w28r2-
2
7 {
		
node-id 2
device /dev/drbd1;
		
device
disk     /dev/
drbd1
sdd;
		meta-disk
 
  /dev/
sdd1
sdm;
		
meta
node-
disk /dev/sdb1
id 4;
		address   31.1.1.
165
157:
7789
6677;
	}

	connection 
1
4-
2
7 {
		host 
c74
w28r2-
1
4 address 31.1.1.
164
154:6677 via proxy on c73-p1 {
			inside 31.1.1.191:6678;
			outside 31.1.1.191:6679;
		}
		host 
c74
w28r2-
2
7 address 31.1.1.
165
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 
c74
w28r2-
1
5 {
		
node-id 1
device /dev/drbd1;
		
device
disk     /dev/
drbd2
sdd;
		meta-disk
 
  /dev/
sdd2
sdm;
		
meta
node-
disk /dev/sdb2
id 2;
		address   31.1.1.
164
155:
7789
6680;
	}
	on 
c74-3 {
		node-id 3;
w28r2-7 {
		device    /dev/drbd2;
		disk     /dev/
sdd2
sde;
		meta-disk  /dev/
sdb2
sdn;
		node-id 4;
		address   31.1.1.
166
157:
7789
6680;
	}
	connection 
1
5-
3
7 {
		host 
c74
w28r2-
1
5 address 31.1.1.
164
155:6680 via proxy on c73-p1 {
			inside 31.1.1.191:6681;
			outside 31.1.1.191:6682;
		}
		host 
c74
w28r2-
3
7 address 31.1.1.
166
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 
c74
w28r2-
1
6 {
		
node-id 1
device /dev/drbd1;
		
device
disk     /dev/
drbd3
sdd;
		meta-disk  
 
/dev/
sdd3
sdm;
		
meta
node-
disk /dev/sdb3
id 3;
		address   31.1.1.
164
156:
7789
6683;
	}
	on 
c74
w28r2-
4
7 {
		
node-id 4;
		
device    /dev/drbd3;
		disk     /dev/
sdd3
sdf;
		meta-disk  /dev/
sdb3
sdo;
		node-id 4;
		address   31.1.1.
167
157:
7789
6683;
	}
	connection 
1
6-
4
7 {
		host 
c74
w28r2-
1
6 address 31.1.1.
164
156:6683 via proxy on c73-p1 {
			inside 31.1.1.191:6684;
			outside 31.1.1.191:6685;
		}
		host 
c74
w28r2-
4
7 address 31.1.1.
167
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'
3. N:1
A way to configure mirror on 1 node from N nodes.
Linux Centos 7.4
Node OS DRBD in LANDRX in LANDRX in RemoteDRBD in Remote
WindowsLinux Centos 7.4

 Code Block
titleWindows Linux R0
collapsetrue
resource r0 {
	proxy {
		memlimit 500M;
	}

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

	on w28r2c74-41 {
		device    d minor 1/dev/drbd1;
		disk     d/dev/sdd1;
		meta-disk  m/dev/sdb1;
		node-id 1;
		address   31.1.1.154164:6677;
	}
	on w28r2c74-74 {
		device    d minor 1/dev/drbd1;
		disk     d/dev/sdd1;
		meta-disk  m/dev/sdb1;
		node-id 4;
		address   31.1.1.157167:6677;
	}

	connection 1-4-7 {
		host w28r2c74-41 address 31.1.1.154164:6677 via proxy on c73-p1 {
			inside 31.1.1.191:6678;
			outside 31.1.1.191:6679;
		}
		host w28r2c74-74 address 31.1.1.157167:6677 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 w28r2c74-52 {
		device    d minor 1/dev/drbd2;
		disk     d/dev/sdd2;
		meta-disk  m/dev/sdb2;
		node-id 2;
		address   31.1.1.155165:6680;
	}
	on w28r2c74-74 {
		device    e minor 2/dev/drbd2;
		disk     e/dev/sdd2;
		meta-disk  n/dev/sdb2;
		node-id 4;
		address   31.1.1.157167:6680;
	}
	connection 52-74 {
		host w28r2c74-52 address 31.1.1.155165:6680 via proxy on c73-p1 {
			inside 31.1.1.191:6681;
			outside 31.1.1.191:6682;
		}
		host w28r2c74-74 address 31.1.1.157168:6680 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 w28r2c74-63 {
		device    d minor 1/dev/drbd3;
		disk     d/dev/sdd3;
		meta-disk  m/dev/sdb3;
		node-id 3;
		address   31.1.1.156166:6683;
	}
	on w28r2c74-74 {
		device    f minor 3/dev/drbd3;
		disk     f/dev/sdd3;
		meta-disk  o/dev/sdb3;
		node-id 4;
		address   31.1.1.157167:6683;
	}
	connection 63-74 {
		host w28r2c74-63 address 31.1.1.156166:6683 via proxy on c73-p1 {
			inside 31.1.1.191:6684;
			outside 31.1.1.191:6685;
		}
		host w28r2c74-74 address 31.1.1.157169:6683 via proxy on c73-p2 {
			inside 31.1.1.192:6684;
			outside 31.1.1.192:6685;
		}
	}
}



 Code Block
titleLinux DRX R0
collapsetrue
resource r0 {
	proxy {
		memlimit 500M;
	}

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

	on w28r2c74-41 {
		device    /dev/drbd1;
		disk     /dev/sddsdd1;
		meta-disk  /dev/sdmsdb1;
		node-id 1;
		address   31.1.1.154164:6677;
	}
	on w28r2c74-74 {
		device    /dev/drbd1;
		disk     /dev/sddsdd1;
		meta-disk  /dev/sdmsdb1;
		node-id 4;
		address   31.1.1.157167:6677;
	}

	connection 1-4-7 {
		host w28r2c74-41 address 31.1.1.154164:6677 via proxy on c73-p1 {
			inside 31.1.1.191:6678;
			outside 31.1.1.191:6679;
		}
		host w28r2c74-74 address 31.1.1.157167:6677 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 w28r2c74-52 {
		device    /dev/drbd1drbd2;
		disk     /dev/sddsdd2;
		meta-disk  /dev/sdmsdb2;
		node-id 2;
		address   31.1.1.155165:6680;
	}
	on w28r2c74-74 {
		device    /dev/drbd2;
		disk     /dev/sdesdd2;
		meta-disk  /dev/sdnsdb2;
		node-id 4;
		address   31.1.1.157167:6680;
	}
	connection 52-74 {
		host w28r2c74-52 address 31.1.1.155165:6680 via proxy on c73-p1 {
			inside 31.1.1.191:6681;
			outside 31.1.1.191:6682;
		}
		host w28r2c74-74 address 31.1.1.157168:6680 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 w28r2c74-63 {
		device    /dev/drbd1drbd3;
		disk     /dev/sddsdd3;
		meta-disk  /dev/sdmsdb3;
		node-id 3;
		address   31.1.1.156166:6683;
	}
	on w28r2c74-74 {
		device    /dev/drbd3;
		disk     /dev/sdfsdd3;
		meta-disk  /dev/sdosdb3;
		node-id 4;
		address   31.1.1.157167:6683;
	}
	connection 63-74 {
		host w28r2c74-63 address 31.1.1.156166:6683 via proxy on c73-p1 {
			inside 31.1.1.191:6684;
			outside 31.1.1.191:6685;
		}
		host w28r2c74-74 address 31.1.1.157169:6683 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

 Code Block
title
Linux 
Windows R0
collapsetrue
resource r0 {
	proxy {
		memlimit 500M;
	}

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

	on 
c74
w28r2-
1
4 {
		device    d minor 
/dev/drbd1
1;
		disk     
/dev/sdd1
d;
		meta-disk 
/dev/sdb1
 m;
		node-id 1;
		address   31.1.1.
164
154:6677;
	}
	on 
c74
w28r2-
4
7 {
		device    d minor 
/dev/drbd1
1;
		disk     
/dev/sdd1
d;
		meta-disk 
/dev/sdb1
 m;
		node-id 4;
		address   31.1.1.
167
157:6677;
	}

	connection 
1
4-
4
7 {
		host 
c74
w28r2-
1
4 address 31.1.1.
164
154:6677 via proxy on c73-p1 {
			inside 31.1.1.191:6678;
			outside 31.1.1.191:6679;
		}
		host 
c74
w28r2-
4
7 address 31.1.1.
167
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 
c74
w28r2-
2
5 {
		device    
 /dev/drbd2
d minor 1;
		disk     
/dev/sdd2
d;
		meta-disk  
/dev/sdb2
m;
		node-id 2;
		address   31.1.1.
165
155:6680;
	}
	on 
c74
w28r2-
4
6 {
		device    d minor 
/dev/drbd2
1;
		disk   
/dev/sdd2
  d;
		meta-disk  
/dev/sdb2
m;
		node-id 
4
3;
		address   31.1.1.
167
156:6680;
	}
	connection 
2
5-
4
6 {
		host 
c74
w28r2-
2
5 address 31.1.1.
165
155:6680 via proxy on c73-p1 {
			inside 31.1.1.191:6681;
			outside 31.1.1.191:6682;
		}
		host 
c74
w28r2-
4
6 address 31.1.1.
168
156:6680 via proxy on c73-p2 {
			inside 31.1.1.192:6681;
			outside 31.1.1.192:6682;
		}
	}
}





 Code Block
titleLinux DRX R0
collapsetrue
resource r0
-2
 {
	proxy {
		memlimit 500M;
	}

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

	on 
c74
w28r2-
3
4 {
		device
   
 /dev/
drbd3
drbd1;
		disk     /dev/
sdd3
sdd;
		meta-disk  /dev/
sdb3
sdm;
		node-id 
3
1;
		address   31.1.1.
166
154:
6683
6677;
	}
	on 
c74
w28r2-
4
7 {
		device
   
 /dev/
drbd3
drbd1;
		disk     /dev/
sdd3
sdd;
		meta-disk  /dev/
sdb3
sdm;
		node-id 4;
		address   31.1.1.
167
157:
6683
6677;
	}

	connection 
3
4-
4
7 {
		host 
c74
w28r2-
3
4 address 31.1.1.
166
154:
6683
6677 via proxy on c73-p1 {
			inside 31.1.1.191:
6684
6678;
			outside 31.1.1.191:
6685
6679;
		}
		host 
c74
w28r2-
4
7 address 31.1.1.
169
157:
6683
6677 via proxy on c73-p2 {
			inside 31.1.1.192:
6684
6678;
			outside 31.1.1.192:
6685
6679;
		}
	}
}

 Code Block
titleLinux DRX R0
collapsetrue

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

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

	on 
c74
w28r2-
1
5 {
		device
   
 /dev/drbd1;
		disk     /dev/
sdd1
sdd;
		meta-disk  /dev/
sdb1
sdm;
		node-id 
1
2;
		address   31.1.1.
164
155:
6677
6680;
	}
	on 
c74
w28r2-
4
6 {
		device
   
 /dev/drbd1;
		disk     /dev/
sdd1
sdd;
		meta-disk  /dev/
sdb1
sdm;
		node-id 
4
3;
		address   31.1.1.
167
156:
6677
6680;
	}



	connection 
1
5-
4
6 {
		host 
c74
w28r2-
1
5 address 31.1.1.
164
155:
6677
6680 via proxy on c73-p1 {
			inside 31.1.1.191:
6678
6681;
			outside 31.1.1.191:
6679
6682;
		}
		host 
c74
w28r2-
4
6 address 31.1.1.
167
156:
6677
6680 via proxy on c73-p2 {
			inside 31.1.1.192:
6678
6681;
			outside 31.1.1.192:
6679
6682;
		}
	}
}




  • Same as left
  • Same as 'DRBD in LAN'
Linux Centos 7.4

 Code Block
titleLinux R0
collapsetrue
resource r0
-1
 {
	proxy {
		memlimit 500M;
	}

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

	on c74-
2
1 {
		device
   
 /dev/
drbd2
drbd1;
		disk     /dev/
sdd2
sdd1;
		meta-disk  /dev/
sdb2
sdb1;
		node-id 
2
1;
		address   31.1.1.
165
164:
6680
6677;
	}
	on c74-4 {
		device
   
 /dev/
drbd2
drbd1;
		disk     /dev/
sdd2
sdd1;
		meta-disk  /dev/
sdb2
sdb1;
		node-id 4;
		address   31.1.1.167:
6680
6677;
	}

	connection 
2
1-4 {
		host c74-
2
1 address 31.1.1.
165
164:
6680
6677 via proxy on c73-p1 {
			inside 31.1.1.191:
6681
6678;
			outside 31.1.1.191:
6682
6679;
		}
		host c74-4 address 31.1.1.
168
167:
6680
6677 via proxy on c73-p2 {
			inside 31.1.1.192:
6681
6678;
			outside 31.1.1.192:
6682
6679;
		}
	}
}

resource r0-
2
1 {
	proxy {
		memlimit 500M;
	}

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

	on c74-
3
2 {
		device
 
 
  
/dev/
drbd3
drbd1;
		disk     /dev/
sdd3
sdd1;
		meta-disk  /dev/
sdb3
sdb1;
		node-id 
3
2;
		address   31.1.1.
166
165:
6683
6680;
	}
	on c74-
4
3 {
		device
   
 /dev/
drbd3
drbd1;
		disk     /dev/
sdd3
sdd1;
		meta-disk  /dev/
sdb3
sdb1;
		node-id 
4
3;
		address   31.1.1.
167
166:
6683
6680;
	}
	connection 2-3
-4
 {
		host c74-
3
2 address 31.1.1.
166
165:
6683
6680 via proxy on c73-p1 {
			inside 31.1.1.191:
6684
6681;
			outside 31.1.1.191:
6685
6682;
		}
		host c74-
4
3 address 31.1.1.
169
166:
6683
6680 via proxy on c73-p2 {
			inside 31.1.1.192:
6684
6681;
			outside 31.1.1.192:
6685
6682;
		}
	}
}

  • 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 LANDRX in LANDRX in RemoteDRBD in Remote
Windows


 Code Block
titleWindows Linux DRX R0
collapsetrue
resource r0 {
	proxy {
		memlimit 500M;
	}

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

	on w28r2c74-41 {
		device    d minor 1/dev/drbd1;
		disk     d/dev/sdd1;
		meta-disk  m/dev/sdb1;
		node-id 1;
		address   31.1.1.154164:6677;
	}
	on w28r2c74-74 {
		device    d minor 1/dev/drbd1;
		disk     d/dev/sdd1;
		meta-disk  m/dev/sdb1;
		node-id 4;
		address   31.1.1.157167:6677;
	}

	connection 1-4-7 {
		host w28r2c74-41 address 31.1.1.154164:6677 via proxy on c73-p1 {
			inside 31.1.1.191:6678;
			outside 31.1.1.191:6679;
		}
		host w28r2c74-74 address 31.1.1.157167:6677 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 A;
		on-congestion pull-ahead;
		sndbuf-size 10M;
		congestion-fill 480M;
	}

	on c74-2 {
		device /dev/drbd1;
		disk     /dev/sdd1;
		meta-disk  /dev/sdb1;
		onnode-congestionid pull-ahead2;
		sndbuf-sizeaddress 10M; 		congestion-fill 480M 31.1.1.165:6680;
	}

	on w28r2c74-53 {
		device    d minor 1/dev/drbd1;
		disk     d/dev/sdd1;
		meta-disk  m/dev/sdb1;
		node-id 23;
		address   31.1.1.155166:6680;
	}
	onconnection w28r22-63 {
		devicehost c74-2   d minor 1;
		disk     d;
		meta-disk  m;
		node-id 3;
		address  address 31.1.1.165:6680 via proxy on c73-p1 {
			inside 31.1.1.191:6681;
			outside 31.1.1.156191:66806682;
		}
	connection 5-6 {
		host w28r2c74-53 address 31.1.1.155166:6680 via proxy on c73-p1p2 {
			inside 31.1.1.191192:6681;
			outside 31.1.1.191192:6682;
		}
		host w28r2-6 address 31.1.1.156:6680 via proxy on c73-p2}
}


  • 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

 Code Block
titleWindows node r0
collapsetrue
resource r0 {
	proxy {
		memlimit 500M;
	}

	net {
		
	inside 31.1.1.192:6681
protocol A;
		on-congestion pull-ahead;
		
	outside 31.1.1.192:6682
sndbuf-size 10M;
		congestion-fill 480M;
	
	}
}

	device d;
	
}
disk  
}
 Code Block
titleLinux DRX R0
collapsetrue
resource r0 {
	proxy
d;
	meta-disk m;

	on w28r2-4 {
		
memlimit
node-id 
500M
1;
	}


	net {
		protocol A;
	on w28r2-5 {
		
on
node-
congestion
id 
pull-ahead
2;
	}
	
sndbuf
on w28r2-
size
6 
10M;
{
		
congestion
node-
fill
id 
480M
3;
	}

	
on
connection 
w28r2
DR-4-6 {
		
device /dev/drbd1;
		disk     /dev/sdd;
		meta-disk  /dev/sdm;
		node-id 1;
		address  
host w28r2-4 address 31.1.1.154:6677 via proxy on c73-p1 {
			inside 31.1.1.191:6678;
			outside 31.1.1.
154
191:
6677
6679;
		}
		
on
host w28r2-
7
6 
{
		device /dev/drbd1;
		disk     /dev/sdd;
		meta-disk  /dev/sdm;
		node-id 4;
		address   
address 31.1.1.156:6677 via proxy on c73-p2 {
			inside 31.1.1.192:6678;
			outside 31.1.1.
157
192:
6677
6679;
		}
	}

	connection 
4
DR-5-
7
6 {
		host w28r2-
4
5 address 31.1.1.
154
155:
6677
6680 via proxy on c73-p1 {
			inside 31.1.1.191:
6678
6681;
			outside 31.1.1.191:
6679
6682;
		}
		host w28r2-
7
6 address 31.1.1.
157
156:
6677 via proxy on c73-p2
6680 via proxy on c73-p2 {
			inside 31.1.1.192:6681;
			outside 31.1.1.192:6682;
		}
	}

	connection {
		
	inside
host w28r2-4 address 31.1.1.
192
154:
6678
6676;
		
	outside
host w28r2-5 address 31.1.1.
192
155:
6679
6676;

	
	}

	}
}


}


 Code Block
titleLinux DRX R0
collapsetrue
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
sndbuf-
id
size 
2
10M;
		
address   31.1.1.155:6680
congestion-fill 480M;
	}

	on


w28r2-6 {
	
	device /dev/
drbd1
drbd0;

	
	disk
   
  /dev/sdd;

	
	meta-disk
 
 /dev/sdm;

	on w28r2-4 {
		node-id 
3
1;
	
	address   31.1.1.156:6680
}
	on w28r2-6 {
		node-id 3;
	}

	connection 
5
DR-4-6 {
		host w28r2-
5
4 address 31.1.1.
155
154:
6680
6677 via proxy on c73-p1 {
			inside 31.1.1.191:
6681
6678;
			outside 31.1.1.191:
6682
6679;
		}
		host w28r2-6 address 31.1.1.156:
6680
6677 via proxy on c73-p2 {
			inside 31.1.1.192:
6681
6678;
			outside 31.1.1.192:
6682
6679;
		}
	
}
}

  • Same as left
  • Same as 'DRBD in LAN'
Linux Centos 7.4 Code Block
titleLinux R0
collapsetrue
}
}

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

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




	on c74-1 {


	
	device /dev/drbd1;

	
	disk
   
  /dev/sdd1;

	
	meta-disk
 
 /dev/
sdb1
sdm1;

	
	node-id 1;
on w28r2-5 {
		
address   31.1.1.164:6677
node-id 2;
	}
	on 
c74
w28r2-
4 {
		device /dev/drbd1;
		disk     /dev/sdd1;
		meta-disk  /dev/sdb1;
6 {
		node-id
 4;
		address   31.1.1.167:6677
 3;
	}

	connection 
1
DR-5-
4
6 {
		host 
c74
w28r2-
1
5 address 31.1.1.
164
155:
6677
6680 via proxy on c73-p1 {
			inside 31.1.1.191:
6678
6681;
			outside 31.1.1.191:
6679
6682;
		}
		host 
c74
w28r2-
4
6 address 31.1.1.
167
156:
6677
6680 via proxy on c73-p2 {
			inside 31.1.1.192:
6678
6681;
			outside 31.1.1.192:
6679
6682;
		}
	}
}




  • Same as left
  • Same as 'DRBD in LAN'
Linux Centos 7.4

 Code Block
titleLinux r0
collapsetrue
resource r0
-1
 {
	proxy {
		memlimit 500M;
	}

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

	device /dev/drbd0;
	
	sndbuf-size 10M;
disk  /dev/sdd1;
	meta-disk /dev/sdb1;

	on c74-1 {
		
congestion
node-
fill
id 
480M
1;
	}



	on c74-2 {
		
device /dev/drbd1
node-id 2;
	}
	
disk
on 
    /dev/sdd1;
c74-3 {
		
meta
node-
disk  /dev/sdb1
id 3;
	
	node-id 2;
}

	connection DR-4-6 {
		
address
host c74-1 address 31.1.1.
165:6680;
	}
	on c74-3 {
		device /dev/drbd1;
		disk     /dev/sdd1;
		meta-disk  /dev/sdb1;
		node-id 3;
		address   
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.
166
192:
6680
6679;
		}
	}

	connection 
2
DR-5-
3
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 {

			inside

		host c74-1 address 31.1.1.
192
164:
6681
6676;
		
	outside
host c74-2 address 31.1.1.
192
165:
6682
6676;

	
	}

	
}

}




 Code Block
titleLinux DRX R0
collapsetrue
resource r0 {
	proxy {
		memlimit 500M;
	}

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


	on c74-1


{


	
	device /dev/
drbd1
drbd0;

	
	disk
   
  /dev/sdd1;

	
	meta-disk
 
 /dev/sdb1;

	
	node-id 1;
on c74-1 {
		
address   31.1.1.164:6677
node-id 1;
	}
	on c74-
4 {
		device /dev/drbd1;
		disk     /dev/sdd1;
		meta-disk  /dev/sdb1;
3 {
		node-
id 4;
		address   31.1.1.167:6677
id 3;
	}

	connection 
1
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-
4
3 address 31.1.1.
167
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;
	}

	
on c74-2 {
		
device /dev/drbd1;
	
	
disk
  
  
 
/dev/
sdd1
sdd2;

	
	meta-disk
 
 /dev/
sdb1;
sdb2;

	on c74-2 {
		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
DR-5-
3
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.
...