= Install Gfarm on CentOS

                       |
       ----------------------------------
       |               |                 |
 192.168.10.1    192.168.10.2      192.168.10.3
 [Meata data]    [ File Node  ]   [  File Node ]
                 [ Client Node]   [ Client Node]

> vim /etc/hosts
192.168.10.1 gfarm1
192.168.10.2 gfarm2
192.168.10.3 gfarm3

= Install package
> vi /etc/yum.repos.d/CentOS-Base.repo

[dag]
name=Dag RPM Repository for Red Hat Enterprise Linux
baseurl=http://ftp.riken.jp/Linux/dag/redhat/el$releasever/en/$basearch/dag

> wget http://dag.wieers.com/packages/RPM-GPG-KEY.dag.txt
> rpm ?import RPM-GPG-KEY.dag.txt
> yum -y install openssl openssl-devel rpm-build gcc gcc-++ openldap opneldap-devel postgresql postgresql-devel fuse

fuse-devel dkms dkms-fuse

> wget http://sourceforge.net/projects/gfarm/files/gfarm_v2/2.3.0/gfarm-2.3.0-1.src.rpm/download
> rpmbuild ?rebuild gfarm-2.3.0-1.src.rpm
> rpm -Uvh /usr/src/redhat/RPMS/x86_64/gfarm-{devel,libs}-2.3.0-1.x86_64.rpm
> wget http://sourceforge.net/projects/gfarm/files/gfarm2fs/1.1.1/gfarm2fs-1.1.1-1.src.rpm/download
> rpmbuild ?rebuild gfarm2fs-1.1.1-1.src.rpm
> rpm -Uvh /usr/src/redhat/RPMS/x86_64/gfarm-server-2.3.0-1.x86_64.rpm
> rpm -Uvh /usr/src/redhat/RPMS/x86_64/gfarm-client-2.3.0-1.x86_64.rpm
> rpm -Uvh /usr/src/redhat/RPMS/x86_64/gfarm-fsnode-2.3.0-1.x86_64.rpm
> rpm -Uvh /usr/src/redhat/RPMS/x86_64/gfarm-doc-2.3.0-1.x86_64.rpm
> rpm -Uvh /usr/src/redhat/RPMS/x86_64/gfarm2fs-1.1.1-1.x86_64.rpm

# Create admin user for controling Gfarm
> useradd admin
> password admin

== Mata Server

> yum -y install postgresql-server

#Create setting file as admin user
> config-gfarm -A admin

# Create authkey as _gfarmfs user
> su _gfarmfs
> gfkey -f -p 31536000 # Authkey�fs period is 1year(31536000 Sec)
> exit
> chkconfig ?add gfmd
> chkconfig ?add gfarm-pgsql

# Restart Process
> /etc/init.d/gfarm restart
> /etc/init.d/gfarm-pgsql restart

#Check Config
> config-gfarm -t -A admin
> su ? admin
> gfls -la
> gfuser -l
> gfgroup -l
> gfhost -l
> gfdf

# copy .gfarm_shared_key and gfarm2.conf to other server
> scp /home/_gfarmfs/.gfarm_shared_key gfarm2:/home/_gfarmfs/
> scp /home/_gfarmfs/.gfarm_shared_key gfarm2:/home/admin/
> scp /home/_gfarmfs/.gfarm_shared_key gfarm3:/home/_gfarmfs/
> scp /home/_gfarmfs/.gfarm_shared_key gfarm3:/home/admin/
> ssh gfarm2 chown _gfarmfs:_gfarmfs:/home/_gfarmfs/.gfarm_shared_key
> ssh gfarm2 chown _admin:admin:/home/admin/.gfarm_shared_key
> ssh gfarm3 chown _gfarmfs:_gfarmfs:/home/_gfarmfs/.gfarm_shared_key
> ssh gfarm3 chown _admin:admin:/home/admin/.gfarm_shared_key
> scp /etc/gfarm2.conf gfarm2:/etc/
> scp /etc/gfarm2.conf gfarm3:/etc/

== File Node(Gfarm2 and Gfarm3)

> config-gfsd /var/gfarm
Please ask admin_user to register your host by the following command:

/usr/bin/gfhost -c -a x86_64-centos5.3-linux -p 600 -n 1 gfarm2 #type this command on Meta Server

After that, start gfsd by the following command as a root:

/etc/init.d/gfsd start

> chkconfig ?add gfsd
> /etc/init.d/gfsd start

= Meta Server

> su ? admin
> /usr/bin/gfhost -c -a x86_64-centos5.3-linux -p 600 -n 1 gfarm2 #type the command got from config-gfsd command
> /usr/bin/gfhost -c -a x86_64-centos5.3-linux -p 600 -n 1 gfarm3

#Create user, group and directory on Gfarm

> gfuser -c jun �gJun Sakai�h /home/jun �g�h
> gfgroup -c Sakai jun
> gfmkdir /home
> gfmkdir /home/jun
> gfchown jun /home/jun

= Client Server

> vi /etc/group
fuse:x:103:admin

> su ? admin
> ls -al /home/admin/.gfarm_shared_key
> mkdir /tmp/admin

# mount Gfarm
> gfarm2fs /tmp/admin

# Create file
> dd if=/dev/zero of=/tmp/admin/test/test.dat count=4000 bs=1M
> gfwhere -r test/test.dat

# Replication
> gfwhere test/test.dat
gfarm3
> gfrep -S gfarm3 -D gfarm2 -v test/test.dat
> gfwhere test/test.dat
gfarm2 gfarm3