Dell EMC Unity OE 4.4 – SAN Copy Pull

Dell EMC Unity OE version 4.4 includes SAN Copy Pull as a part of the code. SAN Copy Pull is a migration tool which migrates data from block storage resources, either standalone LUNs/Volumes or VMFS Datastores, found on supported systems to Dell EMC Unity. A SAN Copy Pull migration session can be configured over Fibre Channel (FC) or iSCSI to migrate the data.  All I/Os must be suspended on the source storage resources and host access should be removed during the migraion.

Migrations utilizing Dell EMC Unity SAN Copy Pull to migrate from a source system to the target Dell EMC Unity system. SAN Copy Pull sessions is only available through UEMCLI or REST API.

Systems supported by Dell EMC Unity SAN Copy Pull:

  • Dell EMC SC / Compellent
  • Dell EMC PS / EqualLogic
  • Dell EMC UnityVSA with iSCSI only
  • Dell EMC VMAX
  • HP EVA
  • HPE 3PAR
  • Hitachi HDS
  • NetApp

The following are the high level migration process,


  • Set up the data path connection between the source and target storage systems.
  • Create a LUN on the destination system and note the CLI ID of the storage resouce.
  1. Remove host access to the resources on the source storage system and add Unity as a host on the source storage system.
  2. Data is read from source and written to the target LUN.
  3. Give a host access to Unity storage system.

Dell EMC Unity: Migration Technologies – White paper

Click to access h15163-dell-emc-unity-migration-technologies.pdf

This video will go over the SAN Copy Pull feature which allows for migration of block data to Dell EMC Unity systems.

13 thoughts on “Dell EMC Unity OE 4.4 – SAN Copy Pull

  1. How to migrate volumes of Equallogic to EMC unity using SAN COPY. As equallogic support only Iscsi and equallogic volume don’t have wwn. what are the possible ways to migrate from equallogic volume to EMC unity.


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