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NFS nconnect option not visible after mount on NetApp storage

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Category:
ontap-9
Specialty:
nas
Last Updated:

Applies to

  • AFF-C30
  • ONTAP 9.16.1
  • NFS
  • nConnect

Issue

  • Mounting NFS shares (NFSv3 and NFSv4.2) from NetApp storage with the nconnect option specified
  • The nconnect parameter does not appear in the mount options when checked on the client side

Example:
mount -o nconnect=4 ...
# mount | grep nconnect
# (nconnect not shown in mount options)

  • Despite the parameter not being visible, the correct number of TCP connections are established (verified via netstat)
  • The problem was resolved after adjusting the tcp-max-xfer-size parameter on the storage to 1MB and remounting

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