GlusterFS 9 : Dispersed Configuration2021/05/25 |
Configure Storage Clustering with GlusterFS.
For example, Create a Dispersed volume with 6 Nodes.
Dispersed Volumes is based on Erasure Coding (EC).
| +----------------------+ | +----------------------+ | [GlusterFS Server#1] |10.0.0.51 | 10.0.0.54| [GlusterFS Server#4] | | node01.srv.world +----------+----------+ node04.srv.world | | | | | | +----------------------+ | +----------------------+ | +----------------------+ | +----------------------+ | [GlusterFS Server#2] |10.0.0.52 | 10.0.0.55| [GlusterFS Server#5] | | node02.srv.world +----------+----------+ node05.srv.world | | | | | | +----------------------+ | +----------------------+ | +----------------------+ | +----------------------+ | [GlusterFS Server#3] |10.0.0.53 | 10.0.0.56| [GlusterFS Server#6] | | node03.srv.world +----------+----------+ node06.srv.world | | | | | +----------------------+ +----------------------+ |
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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[2] | Create a Directory for GlusterFS Volume on all Nodes. |
[root@node01 ~]# mkdir -p /glusterfs/dispersed |
[3] | Configure Clustering like follows on a node. (it's OK on any node) |
# probe the nodes [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: 20fdd1fd-5a74-45a9-b754-7e9818da4521 State: Peer in Cluster (Connected) Hostname: node03 Uuid: 5b27ed20-227b-4f43-9063-d2f6c2502936 State: Peer in Cluster (Connected) Hostname: node04 Uuid: 211c1240-cd6d-489e-a425-2ba3ea3112a8 State: Peer in Cluster (Connected) Hostname: node05 Uuid: f85431c9-0ba5-4c97-a1fe-8fb8903c8f2a State: Peer in Cluster (Connected) Hostname: node06 Uuid: fc8aa8d3-90cc-4ff2-9625-23696d39c4ef State: Peer in Cluster (Connected) # create volume [root@node01 ~]# gluster volume create vol_dispersed disperse-data 4 redundancy 2 transport tcp \ node01:/glusterfs/dispersed \ node02:/glusterfs/dispersed \ node03:/glusterfs/dispersed \ node04:/glusterfs/dispersed \ node05:/glusterfs/dispersed \ node06:/glusterfs/dispersed volume create: vol_dispersed: success: please start the volume to access data # start volume [root@node01 ~]# gluster volume start vol_dispersed volume start: vol_dispersed: success # confirm volume info [root@node01 ~]# gluster volume info Volume Name: vol_dispersed Type: Disperse Volume ID: a7642b2b-a3ac-41a9-a0aa-1af258ba05ec Status: Started Snapshot Count: 0 Number of Bricks: 1 x (4 + 2) = 6 Transport-type: tcp Bricks: Brick1: node01:/glusterfs/dispersed Brick2: node02:/glusterfs/dispersed Brick3: node03:/glusterfs/dispersed Brick4: node04:/glusterfs/dispersed Brick5: node05:/glusterfs/dispersed Brick6: node06:/glusterfs/dispersed Options Reconfigured: storage.fips-mode-rchecksum: on transport.address-family: inet nfs.disable: on |
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