### 'NOTE'
# This file has both server spec and client spec to get an understanding of stripe's spec file. Hence can't be used as it is, as a GlusterFS spec file. 
# One need to seperate out server spec and client spec to get it working.


#=========================================================================

# **** server1 spec file ****

### Export volume "brick" with the contents of "/home/export" directory.
volume posix1
  type storage/posix                    # POSIX FS translator
  option directory /home/export1        # Export this directory
end-volume

### Add POSIX record locking support to the storage brick
volume brick1
  type features/posix-locks
  option mandatory on          # enables mandatory locking on all files
  subvolumes posix1
end-volume

### Add network serving capability to above brick.
volume server
  type protocol/server
  option transport-type tcp     # For TCP/IP transport
  option transport.socket.listen-port 24016              
# option client-volume-filename /etc/glusterfs/glusterfs-client.vol
  subvolumes brick1
  option auth.addr.brick1.allow * 		# access to "brick" volume
end-volume


#=========================================================================

# **** server2 spec file ****
volume posix2
  type storage/posix                    # POSIX FS translator
  option directory /home/export2        # Export this directory
end-volume

### Add POSIX record locking support to the storage brick
volume brick2
  type features/posix-locks
  option mandatory on          # enables mandatory locking on all files
  subvolumes posix2
end-volume

### Add network serving capability to above brick.
volume server
  type protocol/server
  option transport-type tcp     # For TCP/IP transport
  option transport.socket.listen-port 24017              
  subvolumes brick2
  option auth.addr.brick2.allow * # Allow access to "brick" volume
end-volume


#=========================================================================

# **** server3 spec file ****

volume posix3
  type storage/posix                    # POSIX FS translator
  option directory /home/export3        # Export this directory
end-volume

### Add POSIX record locking support to the storage brick
volume brick3
  type features/posix-locks
  option mandatory on          # enables mandatory locking on all files
  subvolumes posix3
end-volume

### Add network serving capability to above brick.
volume server
  type protocol/server
  option transport-type tcp     # For TCP/IP transport
  option transport.socket.listen-port 24018              
  subvolumes brick3
  option auth.addr.brick3.allow * 		# access to "brick" volume
end-volume

#=========================================================================

# *** server for namespace *** 
### Export volume "brick" with the contents of "/home/export" directory.
volume brick-ns
  type storage/posix                    # POSIX FS translator
  option directory /home/export-ns      # Export this directory
end-volume

volume server
  type protocol/server
  option transport-type tcp     # For TCP/IP transport
  option transport.socket.listen-port 24019              
  subvolumes brick-ns
  option auth.addr.brick-ns.allow * 		# access to "brick" volume
end-volume


#=========================================================================

# **** Clustered Client config file ****

### Add client feature and attach to remote subvolume of server1
volume client1
  type protocol/client
  option transport-type tcp     # for TCP/IP transport
# option transport-type ib-sdp  # for Infiniband transport
  option remote-host 127.0.0.1      # IP address of the remote brick
  option transport.socket.remote-port 24016              
  option remote-subvolume brick1        # name of the remote volume
end-volume

### Add client feature and attach to remote subvolume of server2
volume client2
  type protocol/client
  option transport-type tcp     # for TCP/IP transport
# option transport-type ib-sdp  # for Infiniband transport
  option remote-host 127.0.0.1      # IP address of the remote brick
  option transport.socket.remote-port 24017              
  option remote-subvolume brick2        # name of the remote volume
end-volume

volume client3
  type protocol/client
  option transport-type tcp     # for TCP/IP transport
# option transport-type ib-sdp  # for Infiniband transport
  option remote-host 127.0.0.1      # IP address of the remote brick
  option transport.socket.remote-port 24018              
  option remote-subvolume brick3        # name of the remote volume
end-volume


volume client-ns
  type protocol/client
  option transport-type tcp     # for TCP/IP transport
# option transport-type ib-sdp  # for Infiniband transport
  option remote-host 127.0.0.1         # IP address of the remote brick
  option transport.socket.remote-port 24019              
  option remote-subvolume brick-ns     # name of the remote volume
end-volume

### Add unify feature to cluster the servers. Associate an
### appropriate scheduler that matches your I/O demand.
volume bricks
  type cluster/unify
  option namespace client-ns # this will not be storage child of unify.
  subvolumes client1 client2 client3
### ** ALU Scheduler Option **
  option self-heal background # foreground off # default is foreground
  option scheduler alu
  option alu.limits.min-free-disk  5% #%
  option alu.limits.max-open-files 10000
  option alu.order disk-usage:read-usage:write-usage:open-files-usage:disk-speed-usage
  option alu.disk-usage.entry-threshold 2GB
  option alu.disk-usage.exit-threshold  128MB
  option alu.open-files-usage.entry-threshold 1024
  option alu.open-files-usage.exit-threshold 32
  option alu.read-usage.entry-threshold 20 #%
  option alu.read-usage.exit-threshold 4 #%
  option alu.write-usage.entry-threshold 20 #%
  option alu.write-usage.exit-threshold 4 #%
  option alu.disk-speed-usage.entry-threshold 0 # DO NOT SET IT. SPEED IS CONSTANT!!!.
  option alu.disk-speed-usage.exit-threshold 0 # DO NOT SET IT. SPEED IS CONSTANT!!!.
  option alu.stat-refresh.interval 10sec
  option alu.stat-refresh.num-file-create 10
### ** Random Scheduler **
# option scheduler random
### ** NUFA Scheduler **
# option scheduler nufa
# option nufa.local-volume-name posix1
### ** Round Robin (RR) Scheduler **
# option scheduler rr
# option rr.limits.min-free-disk 5% #%
end-volume