===== GLUSTERFS Setup Guide - ghimire=====
In this guide we will use gluster2 to replicate stroage bricks between two nodes both of which will act
as both server and client.

#File: /etc/hosts
192.168.0.100	node1.example.org	node2
192.168.0.101	node2.example.org	node2

# aptitude install sshfs build-essential flex bison byacc libdb libdb-dev

# cd /usr/src
# wget http://ftp.zresearch.com/pub/gluster/glusterfs/3.0/3.0.0/glusterfs-3.0.0.tar.gz
# tar xzvf glusterfs-3.0.0.tar.gz
# cd glusterfs-3.0.0
# ./configure --prefix=/usr > /dev/null
# make && make install
# ldconfig

# mkdir /data
# mkdir /data/export
# mkdir /data/export-ns
# mkdir /etc/glusterfs
# mkdir /srv

#File: /etc/glusterfs/glusterfsd.vol
volume posix
  type storage/posix
  option directory /data/export
end-volume

volume locks
  type features/locks
  subvolumes posix
end-volume

volume brick
  type performance/io-threads
  option thread-count 8
  subvolumes locks
end-volume

volume server
  type protocol/server
  option transport-type tcp
  option auth.addr.brick.allow 192.168.0.*
  subvolumes brick
end-volume

# update-rc.d glusterfsd defaults
# /etc/init.d/glusterfsd start

# cd /usr/src/
# wget ftp://ftp.zresearch.com/pub/gluster/glusterfs/fuse/fuse-2.7.4glfs11.tar.gz
# tar xzvf fuse-2.7.4glfs11.tar.gz
# cd fuse-2.7.4glfs11
# ./configure
# make && make install


#File: /etc/glusterfs/glusterfs.vol
volume remote1
  type protocol/client
  option transport-type tcp
  option remote-host node1
  option remote-subvolume brick
end-volume

volume remote2
  type protocol/client
  option transport-type tcp
  option remote-host node2
  option remote-subvolume brick
end-volume

volume replicate
  type cluster/replicate
  subvolumes remote1 remote2
end-volume

volume writebehind
  type performance/write-behind
  option window-size 1MB
  subvolumes replicate
end-volume

volume cache
  type performance/io-cache
  option cache-size 512MB
  subvolumes writebehind
end-volume

# glusterfs -f /etc/glusterfs/glusterfs.vol /srv 

#File: /etc/fstab
/etc/glusterfs/glsuterfs.vol /srv	glusterfs  defaults 0 0

==NOTE==
  * This guide was largely adopted from http://www.howtoforge.org/high-availability-storage-with-glusterfs-on-debian-lenny-automatic-file-replication-across-two-storage-servers