NODO 1

apt-get install drbd8-utils drbd8-modules-2.6.26-2-686

fdisk /dev/sdb
	Command (m for help): n
	Command action
	   e   extended
	   p   primary partition (1-4)
	p
	Partition number (1-4): 1
	First cylinder (1-130, default 1):
	Using default value 1
	Last cylinder or +size or +sizeM or +sizeK (1-130, default 130):
	Using default value 130

	Command (m for help): w
	The partition table has been altered!

	Calling ioctl() to re-read partition table.
	Syncing disks.


mv /etc/drbd.conf /etc/drbd.conf.old
nano /etc/drbd.conf
	global { usage-count no; }
	common { syncer { rate 100M; } }
	resource r0 {
		protocol C;
		startup {
		        wfc-timeout  15;
		        degr-wfc-timeout 60;
		}
		net {
		        cram-hmac-alg sha1;
		        shared-secret "secret";
		}
		on debian1 {
		        device /dev/drbd0;
		        disk /dev/sdb1;
		        address 192.168.52.200:7788;
		        meta-disk internal;
		}
		on debian2 {
		        device /dev/drbd0;
		        disk /dev/sdb1;
		        address 192.168.52.201:7788;
		        meta-disk internal;
		}
	} 



/etc/init.d/drbd start



drbdadm create-md r0
	Writing meta data...
	initialising activity log
	NOT initialized bitmap
	New drbd meta data block sucessfully created.


/etc/init.d/drbd start


drbdadm -- --overwrite-data-of-peer primary all


mkfs.ext3 /dev/drbd0
mkdir /data
mount /dev/drbd0 /data


echo adadasdasd > /data/test.txt

umount /data
drbdadm secondary r0


nano /etc/heartbeat/haresources
	debian1 192.168.0.202 drbddisk::r0 Filesystem::/dev/drbd0::/data::ext3 apache2


reboot




NODO 2

apt-get install drbd8-utils drbd8-modules-2.6.26-2-686

fdisk /dev/sdb
	Command (m for help): n
	Command action
	   e   extended
	   p   primary partition (1-4)
	p
	Partition number (1-4): 1
	First cylinder (1-130, default 1):
	Using default value 1
	Last cylinder or +size or +sizeM or +sizeK (1-130, default 130):
	Using default value 130

	Command (m for help): w
	The partition table has been altered!

	Calling ioctl() to re-read partition table.
	Syncing disks.


mv /etc/drbd.conf /etc/drbd.conf.old
nano /etc/drbd.conf
	global { usage-count no; }
	common { syncer { rate 100M; } }
	resource r0 {
		protocol C;
		startup {
		        wfc-timeout  15;
		        degr-wfc-timeout 60;
		}
		net {
		        cram-hmac-alg sha1;
		        shared-secret "secret";
		}
		on debian1 {
		        device /dev/drbd0;
		        disk /dev/sdb1;
		        address 192.168.52.200:7788;
		        meta-disk internal;
		}
		on debian2 {
		        device /dev/drbd0;
		        disk /dev/sdb1;
		        address 192.168.52.201:7788;
		        meta-disk internal;
		}
	} 



/etc/init.d/drbd start



drbdadm create-md r0
	Writing meta data...
	initialising activity log
	NOT initialized bitmap
	New drbd meta data block sucessfully created.


/etc/init.d/drbd start

watch -n1 cat /proc/drbd
	version: 8.0.14 (api:86/proto:86)
	GIT-hash: bb447522fc9a87d0069b7e14f0234911ebdab0f7 build by phil@fat-tyre, 2008-
	11-12 16:40:33
	 0: cs:SyncTarget st:Secondary/Primary ds:Inconsistent/UpToDate C r---
	    ns:0 nr:569504 dw:569504 dr:0 al:0 bm:34 lo:1 pe:2016 ua:0 ap:0
		[==========>.........] sync'ed: 55.0% (474620/1044124)K
		finish: 0:00:19 speed: 24,644 (21,904) K/sec
		resync: used:5/61 hits:37571 misses:39 starving:0 dirty:0 changed:39
		act_log: used:0/257 hits:0 misses:0 starving:0 dirty:0 changed:0




drbdadm primary r0

mkdir /data
mount /dev/drbd0 /data


echo nodo2 > /data/nodo2.txt

nano /etc/heartbeat/haresources
	debian1 192.168.0.202 drbddisk::r0 Filesystem::/dev/drbd0::/data::ext3 apache2

reboot