platform information:
CentOS 5.3 (2.6.18-128.1.16.el5)
GlusterFS (glusterfs-2.0.3)
FUSE (fuse-2.7.4)
my simple aim is a clustered system providing RAID 1+0 like functionality. now there are two schemes provided by my friend (a novice too). in my opinion, the sheme 2 would work well. but i haven't test them. so anyone here could tell me what sheme is right/wrong/better,and why??!! thanks in advance.
## scheme 1 ###
server 1 (192.168.1.11) => brick (only one exported directory)
server 2 (192.168.1.11) => brcik
server 3 (192.168.1.11) => brick
client (192.168.1.10)
and volume filese are as follows:
######################################################
# volume files on servers are same
volume posix
type storage/posix
option directory /home/brick
end-volume
volume brick
type features/posix-locks
subvolumes posix
end-volume
volume server
type protocol/server
option transport-type tcp/server
option transport.socket.listen-port 6996
option transport.socket.bind-address 192.168.1.11
subvolumes brick
option auth.addr.brick.allow *
option auth.addr.posix.allow *
end-volume
#############################
## volume file on client
#############################
volume brick1
type protocol/client
option transport-type tcp/client
option remote-host 192.168.1.11
option remote-port 6996
option remote-subvolume brick
end-volume
volume brick2
type protocol/client
option transport-type tcp/client
option remote-host 192.168.1.12
option remote-port 6996
option remote-subvolume brick
end-volume
volume brick3
type protocol/client
option transport-type tcp/client
option remote-host 192.168.1.13
option remote-port 6996
option remote-subvolume brick
end-volume
## configuration of all 3 replicated bricks
# afr1 <-- brick1 + brick2
volume afr1
type cluster/afr
subvolumes brick1 brick2
end-volume
# afr2 <-- brick2 + brick3
volume afr2
type cluster/afr
subvolumes brick2 brick3
end-volume
# afr3 <-- brick3 + brick1
volume afr3
type cluster/afr
subvolumes brick3 brick1
end-volume
## stripe on afr1,afr2,afr3
volume stripe
type cluster/stripe
subvolumes afr1 afr2 afr3
end-volume
######### sheme 1 ends ############
#################################################
### scheme 2
#################################################
server 1 (192.168.1.11) => brick1 + brick2 (there are two exported directory on each server)
server 2 (192.168.1.11) => brcik3 + brick4
server 3 (192.168.1.11) => brick5 + brick6
client (192.168.1.10)
### volume files of servers (they are similiar)
# on server 1
volume posix1
type storage/posix
option directory /home/brick1
end-volume
volume brick1
type features/posix-locks
subvolumes posix1
end-volume
volume posix2
type storage/posix
option directory /home/brick2
end-volume
volume brick2
type features/posix-locks
subvolumes posix2
end-volume
volume server
type protocol/server
option transport-type tcp/server
option transport.socket.listen-port 6996
option transport.socket.bind-address 192.168.1.11
subvolumes brick1 brick2
option auth.addr.brick1.allow *
option auth.addr.posix1.allow *
option auth.addr.brick2.allow *
option auth.addr.posix2.allow *
end-volume
## on server 2
volume posix1
type storage/posix
option directory /home/brick3
end-volume
volume brick3
type features/posix-locks
subvolumes posix1
end-volume
volume posix2
type storage/posix
option directory /home/brick4
end-volume
volume brick4
type features/posix-locks
subvolumes posix2
end-volume
volume server
type protocol/server
option transport-type tcp/server
option transport.socket.listen-port 6996
option transport.socket.bind-address 192.168.1.12
subvolumes brick3 brick4
option auth.addr.brick3.allow *
option auth.addr.posix1.allow *
option auth.addr.brick4.allow *
option auth.addr.posix2.allow *
end-volume
##on server 3
volume posix1
type storage/posix
option directory /home/brick5
end-volume
volume brick5
type features/posix-locks
subvolumes posix1
end-volume
volume posix2
type storage/posix
option directory /home/brick6
end-volume
volume brick6
type features/posix-locks
subvolumes posix2
end-volume
volume server
type protocol/server
option transport-type tcp/server
option transport.socket.bind-address 192.168.1.13
option transport.socket.listen-port 6996
subvolumes brick5 brick6
option auth.addr.brick5.allow *
option auth.addr.posix1.allow *
option auth.addr.brick6.allow *
option auth.addr.posix2.allow *
end-volume
###################
## volume file on client
# brick1 on server 1
volume brick1
type protocol/client
option transport-type tcp/client
option remote-host 192.168.1.11
option remote-port 6996
option remote-subvolume brick1
end-volume
# brick2 on server 1
volume brick2
type protocol/client
option transport-type tcp/client
option remote-host 192.168.1.11
option remote-port 6996
option remote-subvolume brick2
end-volume
# brick3 on server 2
volume brick3
type protocol/client
option transport-type tcp/client
option remote-host 192.168.1.12
option remote-port 6996
option remote-subvolume brick3
end-volume
# brick4 on server 2
volume brick4
type protocol/client
option transport-type tcp/client
option remote-host 192.168.1.12
option remote-port 6996
option remote-subvolume brick4
end-volume
# brick5 on server 3
volume brick5
type protocol/client
option transport-type tcp/client
option remote-host 192.168.1.13
option remote-port 6996
option remote-subvolume brick5
end-volume
# brick6 on server 3
volume brick6
type protocol/client
option transport-type tcp/client
option remote-host 192.168.1.13
option remote-port 6996
option remote-subvolume brick6
end-volume
###############################################
## configuration of all 3 replicated bricks
###############################################
# a mirror between server 1 (exported dir is afr1-1)
# and server 2 (exported dir is afr2-1)
# afr1 <-- brick1 + brick3
volume afr1
type cluster/afr
subvolumes brick1 brick3
end-volume
# afr2 <-- brick2 + brick5
volume afr2
type cluster/afr
subvolumes brick2 brick5
end-volume
# afr3 <-- brick4 + brick6
volume afr3
type cluster/afr
subvolumes brick4 brick6
end-volume
#####################################
## stripe on afr1,afr2,afr3
####################################
volume stripe
type cluster/stripe
subvolumes afr1 afr2 afr3
end-volume
