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Conversion of non-Unicode warning when enabling NFSv4.x

  1. Last updated
    Oct 8, 2024
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Category:
ontap-9
Specialty:
nas
Last Updated:
10/8/2024, 6:19:33 AM

Applies to

  • ONTAP 9
  • NFS

Answer

  •  The following warning message might be seen when enabling NFSv4.x on an SVM
::> vserver nfs modify -vserver <svm> -v4.0 enabled -v4.1 enabled

Warning: NFSv4.x access to transitioned volumes in this Vserver could trigger
conversion of non-Unicode directories to Unicode, which might impact
data-serving performance. Before enabling NFSv4.x for this Vserver, refer
to the Data and Configuration Transition Guide.
Do you want to continue? {y|n}:
  • The warning is due to transitioned volumes containing some non-Unicode directories  and convert_ucode is set to off on those volumes
  • By default, all the directories created in ONTAP 9 are Unicode directories, as both create_ucode and convert_ucode are set to on
  • Use the command to check  the volume create_ucode and convert_ucode setting

::> vol show -volume <vol> -fields create-ucode,convert-ucode

Additional Information

 

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