How to Install GlusterFS Server + NFS-Ganesha on CentOS 7

I. Server 1
yum install epel-release -y
yum update -y
vi /etc/hosts
10.11.23.100 gluster01
10.11.23.112 gluster02
10.11.23.118 client01
mkfs.ext4 /dev/sdb
mkdir -p /upload
mount  /dev/sdb /upload
vi /etc/fstab
/dev/sdb /upload ext4 defaults 1 2
yum install centos-release-gluster
yum install glusterfs-server -y
systemctl enable glusterd
systemctl start glusterd
yum -y install nfs-ganesha-gluster
mv /etc/ganesha/ganesha.conf /etc/ganesha/ganesha.conf.org
vi /etc/ganesha/ganesha.conf
# create new
NFS_CORE_PARAM {
    # possible to mount with NFSv3 to NFSv4 Pseudo path
    mount_path_pseudo = true;
    # NFS protocol
    Protocols = 3,4;
}
EXPORT_DEFAULTS {
    # default access mode
    Access_Type = RW;
}
EXPORT {
    # uniq ID
    Export_Id = 101;
    # mount path of Gluster Volume
    Path = "/vol_distributed";
    FSAL {
        # any name
        name = GLUSTER;
        # hostname or IP address of this Node
        hostname="10.0.0.51";
        # Gluster volume name
        volume="vol_distributed";
    }
    # config for root Squash
    Squash="No_root_squash";
    # NFSv4 Pseudo path
    Pseudo="/vfs_distributed";
    # allowed security options
    SecType = "sys";
}
LOG {
    # default log level
    Default_Log_Level = WARN;
}
firewall-cmd --zone=public --add-port=24007-24008/tcp --permanent
firewall-cmd --zone=public --add-port=24009/tcp --permanent
firewall-cmd --zone=public --add-service=nfs --add-service=samba --add-service=samba-client --permanent
irewall-cmd --zone=public --add-port=111/tcp --add-port=139/tcp --add-port=445/tcp --add-port=965/tcp --add-port=2049/tcp --add-port=38465-38469/tcp --add-port=631/tcp --add-port=111/udp --add-port=963/udp --add-port=49152-49251/tcp --permanent
firewall-cmd --reload
gluster peer probe gluster02
gluster peer status
mkdir /upload/data
gluster volume create vapp replica 2 10.11.23.100:/upload/data 10.11.23.112:/upload/data
gluster volume start vapp
gluster volume info
gluster volume set vapp ctime off
yum -y install nfs-utils
systemctl start nfs-ganesha
systemctl enable nfs-ganesha
II. Server 2
yum install epel-release -y
yum update -y
vi /etc/hosts
10.11.23.100 gluster01
10.11.23.112 gluster02
yum install centos-release-gluster
yum install glusterfs-server -y
systemctl enable glusterd
systemctl start glusterd
yum -y install nfs-utils
mount -t nfs4 node01.srv.world:/vfs_distributed /mnt
firewall-cmd --zone=public --add-port=24007-24008/tcp --permanent
firewall-cmd --zone=public --add-port=24009/tcp --permanent
firewall-cmd --zone=public --add-service=nfs --add-service=samba --add-service=samba-client --permanent
irewall-cmd --zone=public --add-port=111/tcp --add-port=139/tcp --add-port=445/tcp --add-port=965/tcp --add-port=2049/tcp --add-port=38465-38469/tcp --add-port=631/tcp --add-port=111/udp --add-port=963/udp --add-port=49152-49251/tcp --permanent
firewall-cmd --reload
gluster peer probe gluster01
gluster peer status
III. Client
yum install epel-release -y
yum update -y
yum -y install glusterfs-client
mkdir -p /upload
mount.glusterfs 10.11.23.100:/vapp /upload
vi /etc/fstab
10.11.23.100:/vapp /upload  glusterfs defaults,_netdev 0 0
firewall-cmd --zone=public --add-rich-rule='rule family="ipv4" source address="10.11.23.100" accept'
firewall-cmd --reload