ONTAP 9.14

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Enable or disable pNFS

pNFS improves performance by allowing NFS clients to perform read/write operations on storage devices directly and in parallel, bypassing the NFS server as a potential bottleneck. To enable or disable pNFS (parallel NFS), you can modify the -v4.1-pnfs option.

If the ONTAP release is…​ The pNFS default is…​

9.8 or later




What you’ll need

NFSv4.1 support is required to be able to use pNFS.

If you want to enable pNFS, you must first disable NFS referrals. They cannot both be enabled at the same time.

If you use pNFS with Kerberos on SVMs, you must enable Kerberos on every LIF on the SVM.

  1. Perform one of the following actions:

    If you want to…​ Enter the command…​

    Enable pNFS

    vserver nfs modify -vserver vserver_name -v4.1-pnfs enabled

    Disable pNFS

    vserver nfs modify -vserver vserver_name -v4.1-pnfs disabled

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