Solving NFSv4 AUTH_SYS nobody ownership issue

For files/directories under NFSv4 AUTH_SYS mount, if the ownership is shown as nobody, then check NFSv4 ID Mapping settings. You need to ensure that NFsv4 ID Mapping Domain (e.g. Domain attribute in /etc/idmapd.conf on RHEL7.x) is same across NFS server and NFS client. To illustrate it, examples are provided below for list operation (“ls” command) …