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Dell EMC PowerMax and VMAX All Flash: TimeFinder SnapVX Local Replication
Executive summary Introduction TimeFinder SnapVX overview Implementing TimeFinder SnapVX PowerMaxOS Q3 2020 release enhancements TimeFinder legacy modes: Mirror, Clone, and VP Snap
Introduction to TimeFinder legacy modes
Interoperability between native SnapVX and legacy TimeFinder modes
Snapshots created by zDP
TimeFinder VP Snap
TimeFinder/Snap deprecation
Conclusion Appendix A: TimeFinder SnapVX state table Appendix B: Geometry compatibility mode Appendix C: Monitoring the copy process Appendix D: Nocopy Linked Target behavior before HYPERMAX OS 5977.810.184 Appendix E: Scheduling snapshots with Unisphere for PowerMax Appendix F: System resource planning for capacity and performance Appendix G: Technical support and resources

Introduction to TimeFinder legacy modes

Home > Storage > PowerMax and VMAX > Data Protection > Dell EMC PowerMax and VMAX All Flash: TimeFinder SnapVX Local Replication > Introduction to TimeFinder legacy modes

Introduction to TimeFinder legacy modes

  • TimeFinder/Mirror, Clone, and VP Snap are available with PowerMaxOS, HYPERMAX OS, Solutions Enabler 8.0 and later and Unisphere 8.0 and later.

    Legacy sessions follow all feature restrictions from Enginuity 5876, including session counts, cascaded hop limits, and requiring source-target pairing. Legacy sessions cannot take advantage of SG operations (–sg option). Legacy mode target volumes can be moved between SRPs while sessions are active.

    The symclone and symmir commands do not convert legacy commands to native SnapVX operations. Instead, specific legacy sessions are created which have behavioral characteristics different than native SnapVX. For example, when a Clone or Mirror session is created, a targetless snapshot will not be created. Data will copy directly from source to target without using snapshot deltas.