volume client-ns
  type protocol/client
  option transport-type tcp/client       # for TCP/IP transport
  option remote-host 192.168.13.2        # IP address of the remote brick
# option remote-port 6996                # default server port is 6996
# option transport-timeout 30            # seconds to wait for a response
                                         # from server for each request
  option remote-subvolume name_space          # name of the remote volume
end-volume

volume client11
  type protocol/client
  option transport-type tcp/client       # for TCP/IP transport
  option remote-host 192.168.13.2        # IP address of the remote brick
# option remote-port 6996                # default server port is 6996
# option transport-timeout 30            # seconds to wait for a response
                                         # from server for each request
  option remote-subvolume brick1          # name of the remote volume
end-volume

volume client12
  type protocol/client
  option transport-type tcp/client       # for TCP/IP transport
  option remote-host 192.168.13.2        # IP address of the remote brick
# option remote-port 6996                # default server port is 6996
# option transport-timeout 30            # seconds to wait for a response
                                         # from server for each request
  option remote-subvolume brick2          # name of the remote volume
end-volume


volume client21
  type protocol/client
  option transport-type tcp/client       # for TCP/IP transport
  option remote-host 192.168.13.4        # IP address of the remote brick
# option remote-port 6996                # default server port is 6996
# option transport-timeout 30            # seconds to wait for a response
                                         # from server for each request
  option remote-subvolume brick1          # name of the remote volume
end-volume

volume client22
  type protocol/client
  option transport-type tcp/client       # for TCP/IP transport
  option remote-host 192.168.13.4        # IP address of the remote brick
# option remote-port 6996                # default server port is 6996
# option transport-timeout 30            # seconds to wait for a response
                                         # from server for each request
  option remote-subvolume brick2          # name of the remote volume
end-volume

volume client31
  type protocol/client
  option transport-type tcp/client       # for TCP/IP transport
  option remote-host 192.168.13.5        # IP address of the remote brick
# option remote-port 6996                # default server port is 6996
# option transport-timeout 30            # seconds to wait for a response
                                         # from server for each request
  option remote-subvolume brick1          # name of the remote volume
end-volume

volume client32
  type protocol/client
  option transport-type tcp/client       # for TCP/IP transport
  option remote-host 192.168.13.5        # IP address of the remote brick
# option remote-port 6996                # default server port is 6996
# option transport-timeout 30            # seconds to wait for a response
                                         # from server for each request
  option remote-subvolume brick2          # name of the remote volume
end-volume

volume client41
  type protocol/client
  option transport-type tcp/client       # for TCP/IP transport
  option remote-host 192.168.13.7        # IP address of the remote brick
# option remote-port 6996                # default server port is 6996
# option transport-timeout 30            # seconds to wait for a response
                                         # from server for each request
  option remote-subvolume brick1          # name of the remote volume
end-volume

volume client42
  type protocol/client
  option transport-type tcp/client       # for TCP/IP transport
  option remote-host 192.168.13.7        # IP address of the remote brick
# option remote-port 6996                # default server port is 6996
# option transport-timeout 30            # seconds to wait for a response
                                         # from server for each request
  option remote-subvolume brick2          # name of the remote volume
end-volume

volume afr1
  type cluster/afr
  subvolumes client11 client21
  option debug off         # turns on detailed debug messages 
                              # in log by default is debugging off
  option self-heal on    # turn off self healing default is on
end-volume

volume afr2
  type cluster/afr
  subvolumes client31 client41
  option debug off         # turns on detailed debug messages 
                              # in log by default is debugging off
  option self-heal on    # turn off self healing default is on
end-volume

volume afr3
  type cluster/afr
  subvolumes client12 client22
  option debug off         # turns on detailed debug messages 
                              # in log by default is debugging off
  option self-heal on    # turn off self healing default is on
end-volume

volume afr4
  type cluster/afr
  subvolumes client32 client42
  option debug off         # turns on detailed debug messages 
                              # in log by default is debugging off
  option self-heal on    # turn off self healing default is on
end-volume

volume stripe1
   type cluster/stripe
   option block-size 1MB                 #default size is 128KB
   subvolumes afr1 afr2
end-volume

volume stripe2
   type cluster/stripe
   option block-size 1MB                 #default size is 128KB
   subvolumes afr3 afr4
end-volume



volume bricks
  type cluster/unify
  subvolumes stripe1 stripe2
  option namespace client-ns
  option scheduler rr
end-volume


### Add io-threads feature
volume iot
  type performance/io-threads
  option thread-count 1  # deault is 1
  option cache-size 16MB #64MB

  subvolumes bricks #stripe #afr #bricks
end-volume

### Add readahead feature
volume readahead
  type performance/read-ahead
  option page-size 1MB      # unit in bytes
  option page-count 4       # cache per file  = (page-count x page-size)
  subvolumes iot
end-volume

### Add IO-Cache feature
volume iocache
  type performance/io-cache
  option page-size 256KB
  option page-count 8
  subvolumes readahead
end-volume

### Add writeback feature
volume writeback
  type performance/write-behind
  option aggregate-size 1MB  #option flush-behind off
  option window-size 3MB        # default is 0bytes
#  option flush-behind on       # default is 'off'
  subvolumes iocache
end-volume