GlusterFS 6 : Distributed + Replication2021/03/22 |
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Configure Storage Clustering with GlusterFS.
For example, Create a Distributed + Replication volume with 6 Nodes.
Also Configure Arbiter Volume in order to avoid Split Brain.
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+----------------------+ | +----------------------+
| [GlusterFS Server#1] |10.0.0.51 | 10.0.0.54| [GlusterFS Server#4] |
| node01.srv.world +----------+----------+ node04.srv.world |
| | | | |
+----------------------+ | +----------------------+
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+----------------------+ | +----------------------+
| [GlusterFS Server#2] |10.0.0.52 | 10.0.0.55| [GlusterFS Server#5] |
| node02.srv.world +----------+----------+ node05.srv.world |
| | | | |
+----------------------+ | +----------------------+
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+----------------------+ | +----------------------+
| [GlusterFS Server#3] |10.0.0.53 | 10.0.0.56| [GlusterFS Server#6] |
| node03.srv.world +----------+----------+ node06.srv.world |
| | | |
+----------------------+ +----------------------+
⇑ ⇑
file1, file3 ... file2, file4 ...
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It is strongly recommended to use partitions for GlusterFS volumes that are different from the / partition.
On this example, it shows settings on the environment that all nodes has [sdb1] and mount it to [/glusterfs]. |
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| [1] | |
| [2] | Create a Directory for GlusterFS Volume on all Nodes. |
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[root@node01 ~]# mkdir -p /glusterfs/dist-replica |
| [3] | Configure Clustering like follows on a node. (it's OK on any node) |
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# 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. [root@node01 ~]# gluster peer probe node05 peer probe: success. [root@node01 ~]# gluster peer probe node06 peer probe: success. # confirm status [root@node01 ~]# gluster peer status Number of Peers: 5 Hostname: node02 Uuid: 4d51b847-3ac7-47b9-aa2e-e1c70542b1b6 State: Peer in Cluster (Connected) Hostname: node03 Uuid: 191c5560-7472-4e61-9ee1-1807f4242a11 State: Peer in Cluster (Connected) Hostname: node04 Uuid: 46dd002e-cfa2-4a7d-8187-e22bb88a3aa5 State: Peer in Cluster (Connected) Hostname: node05 Uuid: 502aac80-5fe8-4394-b10f-768da716bd8a State: Peer in Cluster (Connected) Hostname: node06 Uuid: 97a79b74-3403-463c-9a6e-dc7c08be777f State: Peer in Cluster (Connected) # create volume [root@node01 ~]# gluster volume create vol_dist-replica replica 3 arbiter 1 transport tcp \ node01:/glusterfs/dist-replica \ node02:/glusterfs/dist-replica \ node03:/glusterfs/dist-replica \ node04:/glusterfs/dist-replica \ node05:/glusterfs/dist-replica \ node06:/glusterfs/dist-replica volume create: vol_dist-replica: success: please start the volume to access data # start volume [root@node01 ~]# gluster volume start vol_dist-replica volume start: vol_dist-replica: success # confirm volume info [root@node01 ~]# gluster volume info Volume Name: vol_dist-replica Type: Distributed-Replicate Volume ID: 3010d099-72e3-4b36-9363-31d0cf19700b Status: Started Snapshot Count: 0 Number of Bricks: 2 x (2 + 1) = 6 Transport-type: tcp Bricks: Brick1: node01:/glusterfs/dist-replica Brick2: node02:/glusterfs/dist-replica Brick3: node03:/glusterfs/dist-replica (arbiter) Brick4: node04:/glusterfs/dist-replica Brick5: node05:/glusterfs/dist-replica Brick6: node06:/glusterfs/dist-replica (arbiter) Options Reconfigured: transport.address-family: inet nfs.disable: on performance.client-io-threads: off |
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