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Non-ASCII characters written via NFSv4 on non-UTF8 volumes appear as '?' when read via NFSv3

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Applies to

  • Clustered Data ONTAP
  • ONTAP 9
  • non-UTF-8 volumes

Issue

Non-ASCII characters written via NFSv4 appear as '?' when a directory listing is returned on an NFSv3 client.

Example:

[root@nas ~]# echo $LANG
en_US.UTF-8
[root@nas ~]# touch /mnt/v4/normal_enUS/ä_test
[root@nas ~]# ls /mnt/v4/normal_enUS <<< NFSv4 Mount
ä_test
[root@nasty-pypi ~]# ls /mnt/v3/normal_enUS <<<< NFSv3 Mount
?_test

 

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