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Lighthouse Winter 2023 Maintenance

January 9, 2023 @ 8:00 am - January 11, 2023 @ 5:00 pm

Due to maintenance, the Lighthouse high-performance computing (HPC) cluster and its storage systems (/home and /scratch) will be unavailable Monday, January 9, 2023, 8am – Wednesday, January 11, 2023, 5pm.


  • No jobs will run that cannot be completed by the beginning of maintenance. 
  • Make a copy of any files that you might need during maintenance that are in /home or /scratch, which will not be available during maintenance, to your local drive prior to maintenance using Globus File Transfer or other file transfer (see the User Guide for the cluster).
  • All running and queued jobs will be deleted at the start of maintenance.

More details can be found below:

ARC Winter 2023 Maintenance

Contact arc-support@umich.edu if you have any questions.


January 9, 2023 @ 8:00 am
January 11, 2023 @ 5:00 pm
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