Automatic File Replication (Mirror) across Two Storage Servers

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[edit]

Server Volfile

Use the below volfile on both storage1.example.com and storage2.example.com

# 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 *
  subvolumes brick
end-volume

[edit]

Client Volfile

# file: /etc/glusterfs/glusterfs.vol
volume remote1
  type protocol/client
  option transport-type tcp
  option remote-host storage1.example.com
  option remote-subvolume brick
end-volume

volume remote2
  type protocol/client
  option transport-type tcp
  option remote-host storage2.example.com
  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

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and does not contain information related to the current version of Gluster

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