Dell Unity: NFSv4 fails to mount to export path, NFSv3 succeeds. (User Correctable)
Résumé: The article describes one of the reasons why the mount fails with "No such file or directory" when trying to mount with NFSv4.
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Symptômes
NFSv4 mount with export path failed when the share name contains the "/" character.
mount -o vers=4 xx.xx.xx.xx:/<share name contains "/"> /mnt/nfsv4 mount.nfs: mounting xx.xx.xx.xx:/<share name contains "/"> failed, reason given by server: No such file or directoryAttempting to mount with NFSv3 to the same Export Path is successful.
Cause
NFSv4 client cannot mount a share name that contains the "/" character.
The Unisphere CLI documentation states the following:
An NFSv4 client cannot mount a share using a name that contains the "/" character.
Instead the client must use the share path.
The Unisphere CLI documentation states the following:
An NFSv4 client cannot mount a share using a name that contains the "/" character.
Instead the client must use the share path.
Résolution
If the above condition is met, use share path (local path) instead of share name (export path) for mounting.
Informations supplémentaires
The following is an example where the NFS Share Name contains "/".
In this example, if there is a folder named "/AAA/CCC" under the file system, the folder is mounted when attempting to mount it using NFSv4.
If there is no folder "/AAA/CCC" under the file system, a "No such file or directory" error appears.
Mount with "Export paths" using NFS version 3
In this example, if there is a folder named "/AAA/CCC" under the file system, the folder is mounted when attempting to mount it using NFSv4.
If there is no folder "/AAA/CCC" under the file system, a "No such file or directory" error appears.
Mount with "Export paths" using NFS version 3
# mount -o vers=3 xx.xx.xx.xx:/AAA/CCC /mnt/nfsv3Mount with "Export paths" using NFS version 4
# mount -o vers=4 xx.xx.xx.xx:/AAA/CCC /mnt/nfsv4 mount.nfs: mounting xx.xx.xx.xx:/AAA/CCC failed, reason given by server: No such file or directoryMount with "Local path" using NFS version 4
# mount -o vers=4 xx.xx.xx.xx:/testfs/AAA/BBB/CCC /mnt/nfsv4
Produits concernés
Dell EMC Unity, Dell Unity 450F DC, Dell Unity 300, Dell Unity 300 DC, Dell EMC Unity 300F, Dell EMC Unity 350F, Dell Unity 350F DC, Dell EMC Unity XT 380, Dell EMC Unity XT 380F, Dell EMC Unity 400, Dell Unity 400 DC, Dell EMC Unity 400F
, Dell EMC Unity 450F, Dell EMC Unity XT 480, Dell EMC Unity XT 480F, Dell EMC Unity 500, Dell EMC Unity 500F, Dell EMC Unity 550F, Dell EMC Unity 600, Dell EMC Unity 600F, Dell EMC Unity 650F, Dell EMC Unity XT 680, Dell EMC Unity XT 680F, Dell EMC Unity XT 880, Dell EMC Unity XT 880F, Dell EMC Unity Family |Dell EMC Unity All Flash, Dell EMC Unity Family, Dell EMC Unity Hybrid, Dell EMC UnityVSA Professional Edition/Unity Cloud Edition
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Propriétés de l’article
Numéro d’article: 000224159
Type d’article: Solution
Dernière modification: 06 Aug 2025
Version: 2
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