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NS0-521 · Question #111

What is used to release space from a NetApp ONTAP LUN when something is removed from within the Windows operating system?

The correct answer is D. SCSI UNMAP. SCSI UNMAP enables the host OS to notify ONTAP about freed blocks within a LUN, allowing the storage system to reclaim space efficiently.

ONTAP SAN Solutions Management

Question

What is used to release space from a NetApp ONTAP LUN when something is removed from within the Windows operating system?

Options

  • ASCSI reservation
  • BSnapshot Autodelete
  • CSnapCenter Plug-in
  • DSCSI UNMAP

How the community answered

(58 responses)
  • A
    2% (1)
  • B
    3% (2)
  • C
    5% (3)
  • D
    90% (52)

Explanation

SCSI UNMAP enables the host OS to notify ONTAP about freed blocks within a LUN, allowing the storage system to reclaim space efficiently.

Topics

#SCSI UNMAP#space reclamation#thin provisioning#Windows LUN management

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