CentOS 6
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GlusterFS : Striping + Replication
2016/08/07
 
Configure Storage Clustering.
For example, create a Striping + Replication volume with 4 servers.
                                  |
+----------------------+          |          +----------------------+
| [GlusterFS Server#1] |10.0.0.51 | 10.0.0.52| [GlusterFS Server#2] |
|   node01.srv.world   +----------+----------+   node02.srv.world   |
|                      |          |          |                      |
+----------------------+          |          +----------------------+
                                  |
+----------------------+          |          +----------------------+
| [GlusterFS Server#3] |10.0.0.53 | 10.0.0.54| [GlusterFS Server#4] |
|   node03.srv.world   +----------+----------+   node04.srv.world   |
|                      |                     |                      |
+----------------------+                     +----------------------+

 
It is recommended to use partitions for GlusterFS volumes which are different from the / partition. The environment on this example is set as that sdb1 is mounted on /glusterfs directory for GlusterFS Configuration on all Nodes.
[1]
[2] Create a Directory for GlusterFS Volume on all Nodes.
[root@node01 ~]#
mkdir /glusterfs/strip-replica

[3] Configure Clustering like follows on a node. (it's OK on any node)
# probe the node

[root@node01 ~]#
gluster peer probe node02

peer probe: success.
[root@node01 ~]#
gluster peer probe node03

peer probe: success.
[root@node01 ~]#
gluster peer probe node04

peer probe: success.
# show status

[root@node01 ~]#
gluster peer status

Number of Peers: 3

Hostname: node02
Uuid: 2ca22769-28a1-4204-9957-886579db2231
State: Peer in Cluster (Connected)

Hostname: node03
Uuid: 79cff591-1e98-4617-953c-0d3e334cf96a
State: Peer in Cluster (Connected)

Hostname: node04
Uuid: 779ab1b3-fda9-46da-af95-ba56477bf638
State: Peer in Cluster (Connected)

# create volume

[root@node01 ~]#
gluster volume create vol_strip-replica stripe 2 replica 2 transport tcp \
node01:/glusterfs/strip-replica \
node02:/glusterfs/strip-replica \
node03:/glusterfs/strip-replica \
node04:/glusterfs/strip-replica

volume create: vol_strip-replica: success: please start the volume to access data
# start volume

[root@node01 ~]#
gluster volume start vol_strip-replica

volume start: vol_strip-replica: success
# show volume info

[root@node01 ~]#
gluster volume info


Volume Name: vol_strip-replica
Type: Striped-Replicate
Volume ID: ec36b0d3-8467-47f6-aa83-1020555f58b6
Status: Started
Number of Bricks: 1 x 2 x 2 = 4
Transport-type: tcp
Bricks:
Brick1: node01:/glusterfs/strip-replica
Brick2: node02:/glusterfs/strip-replica
Brick3: node03:/glusterfs/strip-replica
Brick4: node04:/glusterfs/strip-replica
Options Reconfigured:
transport.address-family: inet
performance.readdir-ahead: on
nfs.disable: on
[4]
 
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