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Dell PowerScale SyncIQ: Architecture, Configuration, and Considerations
Executive summary Introduction to SyncIQ Deployment topologies Use cases Architecture and processes Data replication Configuring a SyncIQ policy Impacts of modifying SyncIQ policies SyncIQ performance rules SnapshotIQ and SyncIQ SyncIQ design considerations Failover and failback Superna Eyeglass DR Edition SyncIQ and CloudPools SyncIQ security SyncIQ bandwidth reservations Monitoring, alerting, reporting, and optimizing performance Administration SyncIQ replication and data reduction
Introduction to SyncIQ replication and data reduction
SmartDedupe
Isilon F810, H5600, and PowerScale nodes
16 TiB large file support and SyncIQ implications OneFS version compatibility SmartLock compatibility Conclusion Appendix A: Failover and failback steps Appendix B: SyncIQ encryption with self-signed certificates Appendix C: Configuring cascaded replication Appendix D: Configuring custom replication Appendix E: Technical support and resources

SmartDedupe

Home > Storage > PowerScale (Isilon) > Product Documentation > Data Protection > Dell PowerScale SyncIQ: Architecture, Configuration, and Considerations > SmartDedupe

SmartDedupe

  • When deduplicated files are replicated to another PowerScale cluster using SyncIQ, the deduplicated files are rehydrated back to their original size, since they no longer share blocks on the target PowerScale cluster. When replication is complete, SmartDedupe can run on the target cluster, providing the same space efficiency benefits as the source cluster.

    Shadow stores are not transferred to target clusters or backup devices. Hence, deduplicated files do not consume less space than non-deduplicated files when they are replicated or backed up. To avoid running out of space on target clusters or tape devices, it is essential to verify that the total amount of storage space saved, and storage space consumed does not exceed the available space on the target cluster or tape device. To reduce the amount of storage space consumed on a target PowerScale cluster, configure deduplication for the target directories of the replication policies. Although this configuration deduplicates data on the target directory, it does not allow SyncIQ to transfer shadow stores. Deduplication is still performed post-replication using a deduplication job running on the target cluster.