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Unable to unmount DP volume
https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/Unable_to_unmount_DP_volume
Applies to ONTAP 9.10.1 DP volume Issue Volume unmount failed with the below error Error: Failed to delete junction from volume vol0000 on Vserver svm_0000. Reason: Junction destroy failed (30).

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