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,

Requirements:

• 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.

Categories: Dell EMC Storage

Victor Wu

Chief Architect, Blogger, Author at Dell EMC Knowledge Sharing & Packt