Migration

  • SRDF migration is typically used in technology refresh operations to migrate production data from an older Symmetrix array running an older Enginuity version to the latest Symmetrix hardware model running the latest Enginuity version.
  • Designed to effectively move large amounts of data across the SRDF links, the SRDF adaptive copy modes of operation are commonly used in SRDF migration operations. Once the data migration process is complete, the production environment is typically moved to the Symmetrix array to which the data was migrated.
  • With Enginuity version 5875.135.91 or higher, SRDF provides not only full SRDF support between Symmetrix arrays that run different Enginuity versions, but also provides migration solutions from thick to thin FBA devices.
  • All SRDF migration solutions that use Enginuity version 5773 or higher support zero space reclamation.

Thick-to-thin migration with concurrent SRDF
A concurrent SRDF topology created only for the migration process enables you to non-disruptively migrate data between Symmetrix arrays along one concurrent SRDF branch while keeping remote mirroring for protection along the other concurrent SRDF branch. Once the migration process completes, the concurrent SRDF topology is removed, thereby resulting in a two-site SRDF topology. Solutions Enabler is used to automate the migration process.

You can replace either the thick R1 or R2 devices with thin devices.

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