An OS reboot is almost never necessary. For some SpectrumScaleFileSystem (SSFS?) configuration changes you might need to `mmshutdown; mmstartup;` on some of your nodes. That can be disruptive, so should not be taken lightly on a production system, but definitely much quicker than a "full reboot". -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://gpfsug.org/pipermail/gpfsug-discuss_gpfsug.org/attachments/20160104/c60142fe/attachment.html>