Permission issues in particular NFS file operations

Solution In Progress - Updated -

Issue

  • Applications are encountering permissions issues when performing particular I/O operations on NFS v3 mounts, however it cannot be reproduced in the command line, where user can create directories, files and perform any number of operations outside of these applications.
  • Through debugging one of the applications, it was discovered the issue can be reproduced with syscalls like access() while retrieving file and directory flags in RHEL8 and later.

Environment

  • Red Hat Enterprise Linux 8 and later
  • Dell EMC Isilon
  • NFS v3

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