Technical White Paper Dell EMC PowerStore: Replication Technologies Abstract This white paper explains the replication technologies for the Dell EMC™ PowerStore™ platform. It outlines the native and non-native options available for replicating data and describes managing replication and its benefits. April 2021 H18153.4 Revisions Revisions Date Description April 2020 Initial release: PowerStoreOS 1.0 May 2020 Minor updates August 2020 Minor updates January 2021 Metro node updates April 2021 PowerStoreOS 2.0 updates including Failover test Acknowledgments Author: Robert Weilhammer The information in this publication is provided “as is.” Dell Inc. makes no representations or warranties of any kind with respect to the information in this publication, and specifically disclaims implied warranties of merchantability or fitness for a particular purpose. Use, copying, and distribution of any software described in this publication requires an applicable software license. 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[5/10/2021] [Technical White Paper] [H18153.4] 2 Dell EMC PowerStore: Replication Technologies | H18153.4 Table of contents Table of contents Revisions............................................................................................................................................................................. 2 Acknowledgments ............................................................................................................................................................... 2 Table of contents ................................................................................................................................................................ 3 Executive summary ............................................................................................................................................................. 5 Audience ............................................................................................................................................................................. 5 1 Introduction ................................................................................................................................................................... 6 1.1 PowerStore overview .......................................................................................................................................... 6 1.2 Terminology ........................................................................................................................................................ 7 2 Native asynchronous replication for block .................................................................................................................... 9 2.1 Licensing ............................................................................................................................................................. 9 2.2 Theory of operation ............................................................................................................................................ 9 2.2.1 Port configuration for asynchronous replication ................................................................................................. 9 2.2.2 Replication connection ..................................................................................................................................... 10 2.2.3 Remote systems ............................................................................................................................................... 11 2.2.4 Protection policies with replication rules ........................................................................................................... 11 2.2.5 Replication session ........................................................................................................................................... 13 2.3 Replication operations ...................................................................................................................................... 15 2.3.1 Assign protection policy with replication ........................................................................................................... 16 2.3.2 Pause and resume ........................................................................................................................................... 16 2.3.3 Synchronize now .............................................................................................................................................. 17 2.3.4 Planned failover ................................................................................................................................................ 17 2.3.5 Unplanned failover ............................................................................................................................................ 18 2.3.6 Reprotect .......................................................................................................................................................... 18 2.3.7 Unassign protection policy with replication ....................................................................................................... 19 2.3.8 Failover Test ..................................................................................................................................................... 19 2.4 Supported replication configurations ................................................................................................................ 22 2.5 Asynchronous replication in PowerStore Manager .......................................................................................... 23 2.5.1 Configuring replication ...................................................................................................................................... 23 2.5.2 Storage network IPs and replication ports ........................................................................................................ 23 2.5.3 Remote systems ............................................................................................................................................... 30 2.5.4 Creating a protection policy with replication rule .............................................................................................. 31 2.5.5 Assign protection policy .................................................................................................................................... 33 2.5.6 Viewing the replication sessions ....................................................................................................................... 35 2.6 System limits ..................................................................................................................................................... 39 3 Dell EMC PowerStore: Replication Technologies | H18153.4 Table of contents 2.7 Interoperability .................................................................................................................................................. 39 2.7.1 Other Dell EMC data protection solutions ........................................................................................................ 39 2.8 Upgrades .......................................................................................................................................................... 39 3 Integration with PowerStore ....................................................................................................................................... 40 3.1 RecoverPoint for Virtual Machines ................................................................................................................... 40 3.2 AppSync ........................................................................................................................................................... 41 3.3 Metro node ........................................................................................................................................................ 42 4 Conclusion .................................................................................................................................................................. 43 A Replication support across platforms ......................................................................................................................... 44 B Technical support and resources ............................................................................................................................... 45 4 Dell EMC PowerStore: Replication Technologies | H18153.4 Executive summary Executive summary Dell EMC™ PowerStore™ provides native and non-native solutions to protect data and help organizations meet business goals for both data availability and protection. PowerStore provides native asynchronous