GlusterFS 9 : Add Nodes (Bricks)2022/03/30 |
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Add Nodes (Bricks) to existing Cluster.
For example, Add a Node [node03] to the existing Cluster like follows.
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+----------------------+ | +----------------------+
| [GlusterFS Server#1] |10.0.0.51 | 10.0.0.52| [GlusterFS Server#2] |
| node01.srv.world +----------+----------+ node02.srv.world |
| | | | |
+----------------------+ | +----------------------+
⇑ | ⇑
file1, file3 ... | file2, file4 ...
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+----------------------+ |
| [GlusterFS Server#3] |10.0.0.53 |
| node03.srv.world +----------+
| |
+----------------------+
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| [1] |
Install GlusterFS to a New Node, refer to here,
and then Create a directory for GlusterFS volume on the same Path with other Nodes.
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| [2] | Add a New Node to existing Cluster on a node. (OK on any existing node) |
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# probe new node [root@node01 ~]# gluster peer probe node03 peer probe: success. # confirm status [root@node01 ~]# gluster peer status Number of Peers: 2 Hostname: node02 Uuid: b27b63b2-4b52-4de0-9f24-a63d5293187e State: Peer in Cluster (Connected) Hostname: node03 Uuid: 55aeca51-4b31-4a33-820e-60b22a2a26a5 State: Peer in Cluster (Connected) # confirm existing volume [root@node01 ~]# gluster volume info Volume Name: vol_distributed Type: Distribute Volume ID: 352e71e5-2057-4db4-9f2a-c232b0d409cb Status: Started Snapshot Count: 0 Number of Bricks: 2 Transport-type: tcp Bricks: Brick1: node01:/glusterfs/distributed Brick2: node02:/glusterfs/distributed Options Reconfigured: features.inode-quota: off features.quota: off storage.fips-mode-rchecksum: on transport.address-family: inet nfs.disable: on # add new node [root@node01 ~]# gluster volume add-brick vol_distributed node03:/glusterfs/distributed volume add-brick: success # confirm volume info [root@node01 ~]# gluster volume info Volume Name: vol_distributed Type: Distribute Volume ID: 352e71e5-2057-4db4-9f2a-c232b0d409cb Status: Started Snapshot Count: 0 Number of Bricks: 3 Transport-type: tcp Bricks: Brick1: node01:/glusterfs/distributed Brick2: node02:/glusterfs/distributed Brick3: node03:/glusterfs/distributed Options Reconfigured: features.inode-quota: off features.quota: off storage.fips-mode-rchecksum: on transport.address-family: inet nfs.disable: on # after adding new node, run rebalance volume [root@node01 ~]# gluster volume rebalance vol_distributed fix-layout start volume rebalance: vol_distributed: success: Rebalance on vol_distributed has been started successfully. Use rebalance status command to check status of the rebalance process. ID: 9df2e4a6-ff36-41e5-b44d-1e8749a692a6 # OK if [Status] turns to [completed] [root@node01 ~]# gluster volume status Status of volume: vol_distributed Gluster process TCP Port RDMA Port Online Pid ------------------------------------------------------------------------------ Brick node01:/glusterfs/distributed 49152 0 Y 2101 Brick node02:/glusterfs/distributed 49152 0 Y 2034 Brick node03:/glusterfs/distributed 49152 0 Y 2025 Task Status of Volume vol_distributed ------------------------------------------------------------------------------ Task : Rebalance ID : 9df2e4a6-ff36-41e5-b44d-1e8749a692a6 Status : completed |
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