Gluster version mismatch between master and slave.

root@master-serveur:~# dd if=/dev/zero of=/home/glusterfs-loop bs=10M count=100

root@slave-server:~# dd if=/dev/zero of=/home/glusterfs-loop bs=10M count=100

root@master-serveur:~# mkfs.ext4 -L glusterfs-brick /home/glusterfs-loop

root@slave-server:~# mkfs.ext4 -L glusterfs-brick /home/glusterfs-loop

root@master-serveur:~# mkdir /home/glusterfs-brick

root@slave-server:~# mkdir /home/glusterfs-brick

root@master-serveur:~# mount -o loop /home/glusterfs-loop /home/glusterfs-brick

root@slave-server:~# mount -o loop /home/glusterfs-loop /home/glusterfs-brick

root@master-serveur:~# apt-get install -y glusterfs-server

root@slave-server:~# apt-get install -y glusterfs-server

root@master-serveur:~# gluster peer probe slave-server
peer probe: success.

root@slave-server:~# gluster peer probe master-serveur
peer probe: success.

root@master-serveur:~# ssh-keygen
root@master-serveur:~# ssh-copy-id root@slave-server

root@master-serveur:~# ssh root@slave-server whoami
root

root@master-serveur:~# gluster system:: execute gsec_create
Common secret pub file present at /var/lib/glusterd/geo-replication/common_secret.pem.pub

root@slave-server:~# gluster system:: execute gsec_create
Common secret pub file present at /var/lib/glusterd/geo-replication/common_secret.pem.pub

root@master-serveur:~# mkdir /home/glusterfs-brick/pool

root@slave-server:~# mkdir /home/glusterfs-brick/pool

root@master-serveur:~# gluster volume create gv-master0 master-serveur:/home/glusterfs-brick/pool
volume create: gv-master0: success: please start the volume to access data

root@slave-server:~# gluster volume create gv-slave0 slave-server:/home/glusterfs-brick/pool
volume create: gv-slave0: success: please start the volume to access data

root@master-serveur:~# gluster volume info

Volume Name: gv-master0
Type: Distribute
Volume ID: fa88b9a1-eb47-4b08-8e45-d0825508b053
Status: Created
Snapshot Count: 0
Number of Bricks: 1
Transport-type: tcp
Bricks:
Brick1: master-serveur:/home/glusterfs-brick/pool
Options Reconfigured:
transport.address-family: inet
performance.readdir-ahead: on
nfs.disable: on

Volume Name: gv-slave0
Type: Distribute
Volume ID: 593fe0fa-ebf0-4e44-bdc0-baf262cf06e7
Status: Created
Snapshot Count: 0
Number of Bricks: 1
Transport-type: tcp
Bricks:
Brick1: slave-server:/home/glusterfs-brick/pool
Options Reconfigured:
transport.address-family: inet
performance.readdir-ahead: on
nfs.disable: on

root@slave-server:~# gluster volume info

Volume Name: gv-master0
Type: Distribute
Volume ID: fa88b9a1-eb47-4b08-8e45-d0825508b053
Status: Created
Snapshot Count: 0
Number of Bricks: 1
Transport-type: tcp
Bricks:
Brick1: master-serveur:/home/glusterfs-brick/pool
Options Reconfigured:
transport.address-family: inet
performance.readdir-ahead: on
nfs.disable: on

Volume Name: gv-slave0
Type: Distribute
Volume ID: 593fe0fa-ebf0-4e44-bdc0-baf262cf06e7
Status: Created
Snapshot Count: 0
Number of Bricks: 1
Transport-type: tcp
Bricks:
Brick1: slave-server:/home/glusterfs-brick/pool
Options Reconfigured:
transport.address-family: inet
performance.readdir-ahead: on
nfs.disable: on

root@master-serveur:~# gluster volume start gv-master0
volume start: gv-master0: success

root@slave-server:~# gluster volume start gv-slave0
volume start: gv-slave0: success

root@master-serveur:~# mkdir /home/glusterfs-data

root@slave-server:~# mkdir /home/glusterfs-data

root@master-serveur:~# mount -t glusterfs master-serveur:gv-master0 /home/glusterfs-data

root@slave-server:~# mount -t glusterfs master-serveur:gv-slave0 /home/glusterfs-data

root@master-serveur:~# groupadd --system geogroup
root@master-serveur:~# useradd --system --no-create-home --gid geogroup geouser
root@master-serveur:~# mkdir /home/mountbroker-root
root@master-serveur:~# chown root.root /home/mountbroker-root
root@master-serveur:~# chmod 0711 /home/mountbroker-root

root@slave-server:~# groupadd --system geogroup
root@slave-server:~# useradd --system --no-create-home --gid geogroup geouser
root@slave-server:~# mkdir /home/mountbroker-root
root@slave-server:~# chown root.root /home/mountbroker-root
root@slave-server:~# chmod 0711 /home/mountbroker-root
root@slave-server:~# gluster system:: execute mountbroker opt mountbroker-root /home/mountbroker-root
Command executed successfully.
root@slave-server:~# gluster system:: execute mountbroker opt geo-replication-log-group geogroup
Command executed successfully.
root@slave-server:~# gluster system:: execute mountbroker opt rpc-auth-allow-insecure on
Command executed successfully.
root@slave-server:~# gluster system:: execute mountbroker user geouser slavevol
Command executed successfully.

root@master-serveur:~# systemctl restart glusterfs-server

root@slave-server:~# systemctl restart glusterfs-server

root@master-serveur:~# gluster --version
glusterfs 3.8.8 built on Jan 11 2017 14:07:11
Repository revision: git://git.gluster.com/glusterfs.git
Copyright (c) 2006-2011 Gluster Inc. <http://www.gluster.com>
GlusterFS comes with ABSOLUTELY NO WARRANTY.
You may redistribute copies of GlusterFS under the terms of the GNU General Public License.

root@slave-server:~# gluster --version
glusterfs 3.8.8 built on Jan 11 2017 14:07:11
Repository revision: git://git.gluster.com/glusterfs.git
Copyright (c) 2006-2011 Gluster Inc. <http://www.gluster.com>
GlusterFS comes with ABSOLUTELY NO WARRANTY.
You may redistribute copies of GlusterFS under the terms of the GNU General Public License.

root@master-serveur:~# gluster --version | head -1 | cut -f2 -d ' '
3.8.8

root@slave-server:~# gluster --version | head -1 | cut -f2 -d ' '
3.8.8

root@master-serveur:~# tail -n0 -f /var/log/glusterfs/etc-glusterfs-glusterd.vol.log &

root@master-serveur:~# gluster volume geo-replication gv-master0 root@slave-server:gv-slave0 create push-pem
[2017-12-10 22:03:59.194805] E [MSGID: 106316] [glusterd-geo-rep.c:2745:glusterd_verify_slave] 0-management: Not a valid slave
[2017-12-10 22:03:59.195012] E [MSGID: 106316] [glusterd-geo-rep.c:3133:glusterd_op_stage_gsync_create] 0-management: slave-server:gv-slave0 is not a valid slave volume. Error: Gluster version mismatch between master and slave.
[2017-12-10 22:03:59.195074] E [MSGID: 106301] [glusterd-syncop.c:1297:gd_stage_op_phase] 0-management: Staging of operation 'Volume Geo-replication Create' failed on localhost : Gluster version mismatch between master and slave.
Gluster version mismatch between master and slave.
geo-replication command failed