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The following Cloudera Replication Manager features successfully completed all the functional test cases of the Cloudera QATS Appliance. This feature-specific test success determines the support for HDFS replication of the components on PowerScale OneFS 8.2.2.
HBase snapshots allow you to create point-in-time backups of tables without making data copies and with minimal impact on RegionServers. For detailed information, see Snapshots under Replication Manager.
HDFS replication enables you to copy (replicate) your HDFS data from one HDFS service to another, synchronizing the data set on the destination service with the data set on the source service, based on a specified replication policy. The destination service must be managed by the Cloudera Manager Server where the replication is being set up, and the source service can be managed by that same server or by a peer Cloudera Manager Server. You can also replicate HDFS data within a cluster by specifying different source and destination directories.
Remote Replication Manager automatically copies HDFS metadata to the destination cluster as it copies files. HDFS metadata need only be backed up locally. For detailed information, see HDFS Replication under Replication Manager.
Hive/Impala replication enables you to copy (replicate) your Hive metastore and data from one cluster to another and synchronize the Hive metastore and data set on the destination cluster with the source, based on a specified replication policy. For detailed information, see Hive/Impala replication under Replication Manager.
When you create or edit a Hive replication policy, you can choose to migrate the Sentry policies for Hive objects, Impala data, and URLs that are being replicated. The Replication Manager converts the Sentry policies to Ranger policies for the migrated data in the target cluster. The minimum supported Cloudera Manager version 6.3.1 and above is required to replicate Sentry policies to Ranger. For detailed information, see Sentry to Ranger replication for Hive replication policies.