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Disk is offline when manually mounting a LUN clone using ONTAP System Manager

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Applies to

  • ONTAP 9
  • ONTAP System Manager
  • Logical Unit Numbers (LUNs)
  • Windows PowerShell
  • NetApp PowerShell Toolkit (PSTK)

Issue

  • After manually cloning a snapshot and mounting a LUN using ONTAP System Manager, attempting to online the cloned disk fails with:
Disk Onlinning error on ONTAP System Manager.png
  • The cloned disk has a red offline icon next to it:
Disk Offline Red Icon.png
  • Disk(s) with duplicate Guid found when running Get-Disk | Group-Object Guid | Where-Object Count -gt 1 in Windows PowerShell command line

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