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NetApp Knowledge Base

Adding IOM drive shelves (DE212C, DE224C, DE460C) to an existing E27XX, E56XX or EF560 controller shelf

Last Updated:

Applies to

  • E-Series
  • E27XX, E56XX or EF560
  • SAS2 drive shelves
  • SAS3 drive shelves


Although the DE1600, DE5600, and DE6600 drive shelves have reached end of availability (EOA), you can still add one or more IOM (12Gb) drive shelves to an existing SAS-2 system. This expansion capability includes adding to just a controller shelf or to a controller shelf with pre-existing drive shelves.

Any system that you are trying to add IOM (SAS-3) expansion shelves to must be running a version of SANtricity OS or later. Prior to that, the controllers will not recognize the new IOM shelves and the IOMs will be detected as uncertified.

This information applies to the following hardware models:

  • SAS-2 controller shelves (EOA)
    • E2712, E2724, E2760
    • E5612, E5624, E5660
    • EF560
  • ESM (SAS-2, 6Gb) drive shelves (EOA)
    • DE1600, DE5600, DE6600
  • IOM (SAS-3, 12Gb) drive shelves
    • DE212C, DE224C, DE460C



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