3:10PM 4/18/2017 Update: Rolling reboots on Owens have started to address this GPFS issue.
We have had issues with GPFS mounts on Owens Cluster since Friday afternoon, April 14, 2017. The affected nodes have been marked offline to be restarted or rebooted to fix this issue. Jobs may have been negatively impacted by this issue since April 14. If you experience any 'stale file handle' or file not found errors, please let us know.
We really apologize for any inconvenience this may have caused you. Please contact firstname.lastname@example.org if you have any questions.