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Unable to mount NFS volume with IPv6 and RDMA

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Applies to

  • ONTAP 9
  • NFSv4
  • IPv6

Issue

  • User unable to mount NFS volume using IPv6 and mount option 'rdma':

sudo mount -o rdma '[10:02:04:27:ba:18:30:20]:/nfs_vol' /mount
mount.nfs: Failed to resolve server 10:02:04:27:ba:18:30:20: Address family for
hostname not supported

  • The mount attempt without specifying the mount option works:

sudo mount -t nfs '[10:02:04:27:ba:18:30:20]:/nfs_vol' /mount
df -h

[10:02:04:27:ba:18:30:20]:/nfs_vol 501G 3.4G 497G 1% /mount

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