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OIT Maintenance 10/15/22 Impacting Filesystem Access

OIT is performing several maintenance activies this weekend which may have an impact on our filesystem access:

Saturday 10/15 5am-8am  OIT Core router NX-OS versions are being upgraded.  This will require a reboot of each router as well as a firewall failover.

Saturday 10/15 11am-2pm  OIT will be upgrading the Firewall management software.  This will require a firewall failover.

In the past, firewall failovers have caused our NFS mounts to go stale and become unresponsive.  These have manifested in various ways in the department, from SSH difficulties to hung lab machines.  We have watchdog scripts in place that recover the …

SSH Keys - Upload Only

Beginning Thursday, August 25, the CS department SSH gateway and FastX servers will only honor SSH keys uploaded to the CS website.  SSH keys stored on the CS department filesystem, in user home directories, will not permit access after that date.