Description of problem: if rpc.mountd specify options: "-N 2 -N 3 -N 4", should output more readable info to user Version-Release number of selected component (if applicable): all version from RHEL5.9 RHEL5.10 RHEL6.x RHEL7.0 How reproducible: y Steps to Reproduce: 1. 2. 3. Actual results: [root@dell-pr7610-01 ~]# rpc.mountd -N 2 -N 3 -N 4 Usage: rpc.mountd [-F|--foreground] [-h|--help] [-v|--version] [-d kind|--debug kind] [-o num|--descriptors num] [-f exports-file|--exports-file=file] [-p|--port port] [-V version|--nfs-version version] [-N version|--no-nfs-version version] [-n|--no-tcp] [-H ha-callout-prog] [-s|--state-directory-path path] [-g|--manage-gids] [-t num|--num-threads=num] Expected results: should output info to notify user, why error: example: your can not disable all version of mountd Additional info:
[root@dell-pr7610-01 ~]# rpc.mountd --no-nfs-version 2 --no-nfs-version 3 --no-nfs-version 4 Usage: rpc.mountd [-F|--foreground] [-h|--help] [-v|--version] [-d kind|--debug kind] [-o num|--descriptors num] [-f exports-file|--exports-file=file] [-p|--port port] [-V version|--nfs-version version] [-N version|--no-nfs-version version] [-n|--no-tcp] [-H ha-callout-prog] [-s|--state-directory-path path] [-g|--manage-gids] [-t num|--num-threads=num]
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