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Controller or Node?

Controller or Node? The terms controller and node have different meanings when used in reference to TrueNAS storage arrays and their configuration scenarios. In general, a node runs the services or back end applications that access data on shared external disks but it is not the brains of the operation. In networking, a node can refer to a client, server, or peers. TrueNAS uses node to refer to an individual TrueNAS storage array (system) when it is a member of a cluster of systems.
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One minute to read clustering

Setting Up MinIO Clustering

This article applies to the public release of the S3 MinIO charts application in the TRUENAS catalog. Community applications are created and maintained by members of the TrueNAS community. Similarly, community members actively maintain application articles in this section. Click Edit Page in the top right corner to propose changes to this article. On TrueNAS SCALE 23.10 and later, users can create a MinIO S3 distributed instance to scale out and handle individual node failures.
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Clusters (deprecated)

TrueCommand 3.0 has not passed validation for Clustering and that feature is expected to be highly unstable in this release. With the current unmaintained state of the upstream Gluster project, consider this functionality deprecated. The clustering feature is scheduled for removal in a future TrueCommand revision. Further, TrueNAS SCALE 24.04 has removed the deprecated gluster backend. Systems installed with SCALE 24.04 (Dragonfish) are unable to use this deprecated TrueCommand feature.
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7 minutes to read clustering

Clustering and Sharing SCALE Volumes with TrueCommand

TrueCommand 3.0 has not passed validation for Clustering and that feature is expected to be highly unstable in this release. With the current unmaintained state of the upstream Gluster project, consider this functionality deprecated. The clustering feature is scheduled for removal in a future TrueCommand revision. Further, TrueNAS SCALE 24.04 has removed the deprecated gluster backend. Systems installed with SCALE 24.04 (Dragonfish) are unable to use this deprecated TrueCommand feature.
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12 minutes to read clustering