GlusterFS

GlusterFS

http://www.gluster.org/

$ apt-cache search glusterfs
glusterfs-client - clustered file-system (client package)
glusterfs-dbg - GlusterFS debugging symbols
glusterfs-examples - example files for the glusterfs server and client
glusterfs-server - clustered file-system (server package)
libglusterfs-dev - GlusterFS development libraries and headers (development files)
libglusterfs0 - GlusterFS libraries and translator modules
   
5.1. glusterfs-server

$ sudo apt-get install glusterfs-server
$ sudo cp /etc/glusterfs/glusterfsd.vol /etc/glusterfs/glusterfsd.vol.orig
   
$ cat /etc/glusterfs/glusterfsd.vol
### file: server-volume.vol.sample

#####################################
###  GlusterFS Server Volume File  ##
#####################################

#### CONFIG FILE RULES:
### "#" is comment character.
### - Config file is case sensitive
### - Options within a volume block can be in any order.
### - Spaces or tabs are used as delimitter within a line.
### - Multiple values to options will be : delimitted.
### - Each option should end within a line.
### - Missing or commented fields will assume default values.
### - Blank/commented lines are allowed.
### - Sub-volumes should already be defined above before referring.

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

### Add network serving capability to above brick.
volume server
  type protocol/server
  option transport-type tcp
# option transport-type unix
# option transport-type ib-sdp
# option transport.socket.bind-address 192.168.1.10     # Default is to listen on all interfaces
# option transport.socket.listen-port 6996              # Default is 6996

# option transport-type ib-verbs
# option transport.ib-verbs.bind-address 192.168.1.10     # Default is to listen on all interfaces
# option transport.ib-verbs.listen-port 6996              # Default is 6996
# option transport.ib-verbs.work-request-send-size  131072
# option transport.ib-verbs.work-request-send-count 64
# option transport.ib-verbs.work-request-recv-size  131072
# option transport.ib-verbs.work-request-recv-count 64

# option client-volume-filename /etc/glusterfs/glusterfs-client.vol
  subvolumes brick
# NOTE: Access to any volume through protocol/server is denied by
# default. You need to explicitly grant access through # "auth"
# option.
  option auth.addr.brick.allow * # Allow access to "brick" volume
end-volume

   
$ sudo mkdir /home/export
$ sudo /etc/init.d/glusterfs-server start
$ sudo /etc/init.d/glusterfs-server status
* GlusterFS server is running.
   
5.2. glusterfs-client

$ sudo apt-get install glusterfs-client
$ sudo cp /etc/glusterfs/glusterfs.vol /etc/glusterfs/glusterfs.vol.orig
       
# cat /etc/glusterfs/glusterfs.vol
### file: client-volume.vol.sample

#####################################
###  GlusterFS Client Volume File  ##
#####################################

#### CONFIG FILE RULES:
### "#" is comment character.
### - Config file is case sensitive
### - Options within a volume block can be in any order.
### - Spaces or tabs are used as delimitter within a line.
### - Each option should end within a line.
### - Missing or commented fields will assume default values.
### - Blank/commented lines are allowed.
### - Sub-volumes should already be defined above before referring.

### Add client feature and attach to remote subvolume
volume client
  type protocol/client
  option transport-type tcp
# option transport-type unix
# option transport-type ib-sdp
  option remote-host 192.168.80.1         # IP address of the remote brick
# option transport.socket.remote-port 6996              # default server port is 6996

# option transport-type ib-verbs
# option transport.ib-verbs.remote-port 6996              # default server port is 6996
# option transport.ib-verbs.work-request-send-size  1048576
# option transport.ib-verbs.work-request-send-count 16
# option transport.ib-verbs.work-request-recv-size  1048576
# option transport.ib-verbs.work-request-recv-count 16

# option transport-timeout 30          # seconds to wait for a reply
                                       # from server for each request
  option remote-subvolume brick        # name of the remote volume
end-volume

### Add readahead feature
#volume readahead
#  type performance/read-ahead
#  option page-size 1MB     # unit in bytes
#  option page-count 2       # cache per file  = (page-count x page-size)
#  subvolumes client
#end-volume

### Add IO-Cache feature
#volume iocache
#  type performance/io-cache
#  option page-size 256KB
#  option page-count 2
#  subvolumes readahead
#end-volume

### Add writeback feature
#volume writeback
#  type performance/write-behind
#  option aggregate-size 1MB
#  option window-size 2MB
#  option flush-behind off
#  subvolumes iocache  
#end-volume

       
mkdir /mnt/glusterfs

glusterfs -f /etc/glusterfs/glusterfs.vol /mnt/glusterfs
or
mount -t glusterfs /etc/glusterfs/glusterfs.vol /mnt/glusterfs
       
fstab

/etc/glusterfs/glusterfs.vol  /mnt/glusterfs  glusterfs  defaults  0  0
       
5.3. Testing

client

touch /mnt/glusterfs/test1
touch /mnt/glusterfs/test2
   
server

# ll /mnt/glusterfs
total 0
-rw-r--r-- 1 root root 0 Jun 16 11:57 test1
-rw-r--r-- 1 root root 0 Jun 16 11:57 test2