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NS0-157 · Question #190

An administrator for a virtual server named abc17 mounts a new volume named vola at junction named / accounting/teama and creates two directories at the root of the new volume named 2011 and…

The correct answer is B. /accounting/teama/2011/june/report.doc. In a NetApp ONTAP NFS namespace, the fully qualified path to a file is built from the junction path of the volume plus the relative path within that volume, without including the SVM name.

Network Configuration and Data Access

Question

An administrator for a virtual server named abc17 mounts a new volume named vola at junction named / accounting/teama and creates two directories at the root of the new volume named 2011 and 2011/june. Healso copies a file called report.doc into the directory named june. An NFS client mounts to the root of the namespace. What is the fully qualified path to the report.doc?

Options

  • A/abc17/accounting/teama/2011/june/report.doc
  • B/accounting/teama/2011/june/report.doc
  • C/accounting/vola/teama/2011/june/report.doc
  • D/vol/vola/2011/june/report.doc
  • EZ:\vola\2011\june\report.doc

How the community answered

(34 responses)
  • A
    3% (1)
  • B
    74% (25)
  • C
    3% (1)
  • D
    6% (2)
  • E
    15% (5)

Why each option

In a NetApp ONTAP NFS namespace, the fully qualified path to a file is built from the junction path of the volume plus the relative path within that volume, without including the SVM name.

A/abc17/accounting/teama/2011/june/report.doc

The SVM name abc17 is not prepended to NFS namespace paths - NFS clients access the namespace root directly without the SVM name appearing as a path prefix.

B/accounting/teama/2011/june/report.docCorrect

The volume vola is mounted at junction /accounting/teama, so all NFS clients navigating the namespace root see that junction as the starting point. The file report.doc resides at 2011/june/report.doc within the volume, making the complete namespace path /accounting/teama/2011/june/report.doc. The SVM name abc17 and volume name vola are not part of the NFS namespace path because the NFS client sees only the junction-based directory tree.

C/accounting/vola/teama/2011/june/report.doc

The volume name vola does not appear in the NFS namespace path because the junction point /accounting/teama replaces any reference to the underlying volume name.

D/vol/vola/2011/june/report.doc

The /vol/vola/ format is the legacy node-level internal volume path, not the NFS namespace junction path that NFS clients traverse.

EZ:\vola\2011\june\report.doc

The Z:\ drive letter format is a Windows SMB mapping notation and is not a valid NFS path format.

Concept tested: NetApp ONTAP NFS namespace junction path resolution

Source: https://docs.netapp.com/us-en/ontap/nfs-admin/namespaces-junction-points-concept.html

Topics

#NFS namespace#junction path#volume mount#namespace traversal

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