GlusterFS 9 : Add Nodes (Bricks)2021/05/08 |
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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: faa083bc-8fe3-4435-ad66-19e42f487ffa State: Peer in Cluster (Connected) Hostname: node03 Uuid: a2c8af8d-d978-4ef2-86b1-a642e1166b1a State: Peer in Cluster (Connected) # confirm existing volume [root@node01 ~]# gluster volume info Volume Name: vol_distributed Type: Distribute Volume ID: 3d69cf1b-df04-428b-985b-0b6214d7c5eb Status: Started Snapshot Count: 0 Number of Bricks: 2 Transport-type: tcp Bricks: Brick1: node01:/glusterfs/distributed Brick2: node02:/glusterfs/distributed Options Reconfigured: performance.parallel-readdir: on performance.readdir-ahead: on performance.nl-cache-timeout: 600 performance.nl-cache: on network.inode-lru-limit: 200000 performance.md-cache-timeout: 600 performance.cache-invalidation: on performance.stat-prefetch: on performance.cache-samba-metadata: on features.cache-invalidation-timeout: 600 features.cache-invalidation: on performance.write-behind: off user.smb: enable 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: 3d69cf1b-df04-428b-985b-0b6214d7c5eb 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: performance.parallel-readdir: on performance.readdir-ahead: on performance.nl-cache-timeout: 600 performance.nl-cache: on network.inode-lru-limit: 200000 performance.md-cache-timeout: 600 performance.cache-invalidation: on performance.stat-prefetch: on performance.cache-samba-metadata: on features.cache-invalidation-timeout: 600 features.cache-invalidation: on performance.write-behind: off user.smb: enable 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: b9fea206-77c0-4fd3-ba55-ca578f1970c9 |
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