I’m considering enabling trace on all nodes all the time, doing something like this: mmtracectl --set --trace=def --trace-recycle=global --tracedev-write-mode=overwrite --tracedev-overwrite-buffer-size=256M mmtracectl --start My questions are: - What is the performance penalty of leaving this on 100% of the time on a node? - Does anyone have any suggestions on automation on stopping trace when a particular event occurs? - What other issues, if any? Bob Oesterlin Sr Principal Storage Engineer, Nuance 507-269-0413 -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://gpfsug.org/pipermail/gpfsug-discuss_gpfsug.org/attachments/20170307/356db002/attachment.html>