AFR single process

From GlusterDocumentation

Contents 1 machine01 2 machine02 3 machineNN 4 command to run

machine01

volume home1
      type storage/posix
      option directory /gluster/export
end-volume

volume home2
      type protocol/client
      option transport-type tcp/client
      option remote-host machine02
      option remote-subvolume home2
end-volume

volume home
      type cluster/afr
      option read-subvolume home1
      subvolumes home1 home2
end-volume

volume server
      type protocol/server
      option transport-type tcp/server
      option client-volume-filename /etc/glusterfs/glusterfs-client.vol
      subvolumes home home1
      option auth.ip.home.allow *
      option auth.ip.home1.allow *
end-volume

machine02

volume home1
      type protocol/client
      option transport-type tcp/client
      option remote-host machine01
      option remote-subvolume home1
end-volume

volume home2
      type storage/posix
      option directory /gluster/export
end-volume

volume home
      type cluster/afr
      option read-subvolume home2
      subvolumes home1 home2
end-volume

volume server
      type protocol/server
      option transport-type tcp/server
      option client-volume-filename /etc/glusterfs/glusterfs-client.vol
      subvolumes home home2
      option auth.ip.home.allow *
      option auth.ip.home2.allow *
end-volume

machineNN

volume afr
      type protocol/client
      option transport-type tcp/client
      option remote-host machine01  # or you can use machine02
      option remote-subvolume home
end-volume

command to run

machine01#  glusterfs -f /etc/glusterfs/glusterfs-client.vol /mnt/glusterfs

machine02#  glusterfs -f /etc/glusterfs/glusterfs-client.vol /mnt/glusterfs

machineNN#  glusterfs -f /etc/glusterfs/glusterfs-client.vol /mnt/glusterfs

• NOTE:

1. The above commands assumes you have the /etc/glusterfs/glusterfs-client.vol as described in previous sections.
2. Also note that /mnt/glusterfs exists.