QuestionQ46

Storage Solutions

A company has deployed a Huawei OceanStor hybrid-flash storage device in its data center to provide NAS services for its video production department. The same Network File System (NFS) share is mounted on the workstations of all video-processing personnel. Recently, some employees reported that videos in their shared directories were accidentally deleted by someone from another department.

Which of the following measures cannot prevent this problem when configuring NAS services?

Explanation

OceanStor NFS-share configuration grants access to specified client hosts or network groups, while NFS file access is governed by the applicable UNIX/NFS permission model. Storage-local users are not a per-user NFS-share access-control mechanism for all personnel; an NFS client presents its UNIX identity. Creating local storage users and assigning each one NFS-share permissions therefore does not, by itself, prevent users from another department from accessing or deleting the shared videos.

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