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The following table provides definitions for some of the terms that are used in this document.
Term | Definition |
NameNode | A separate server that holds metadata for every file that is stored on the DataNodes. On a PowerScale OneFS cluster, every node in the cluster acts as a NameNode. |
DataNode | The worker node of the cluster to which the HDFS data is written. On a PowerScale OneFS cluster, every node in the cluster acts as a DataNode. |
HDFS | Hadoop Distributed File System. In a PowerScale cluster, OneFS HDFS serves as the file system for Cloudera Private Cloud Data Platform. |