Jan 13, 2020, 7:35 PM: Maintenance finished.
Jan 13, 2020, 8:20 AM: The announced maintenance downtime started (see below).
Jan 9 2020, 11:30 AM: External ssh connectivity restored, issue related to the university network.Jan 9 2020, 9:24 AM: We received reports of users having trouble connecting into the SciNet data centre; we're investigating. Systems are up and running and jobs are fine.
As a work around, in the meantime, it appears to be possible to log into graham, cedar or beluga, and then ssh to niagara.
Downtime announcement: To prepare for the upcoming expansion of Niagara, there will be a one-day maintenance shutdown on January 13th 2020, starting at 8 am EST. There will be no access to Niagara, Mist, HPSS or teach, nor to their file systems during this time.