Columbia University Information Technology

Service Alerts

Active Service Alerts

  • Network - Ethernet, Wireless and NetPhone
    11/20/2017 - 07:00am to 11/20/2017 - 09:00am

    Facilities is performing a power shutdown in the JLG building on Monday November 20th, from 7:00am until 9:00am.  This work will affect the Zuckerman Data Center (ZDC), which will be powered down.  No loss of network connectivity is anticipated in the rest of the building.


    For questions about this event, please contact the CUIT Helpdesk at, or call 212-854-1919.

    To see all active and future Service Alerts, please visit

  • High Performance Computing
    11/13/2017 - 09:00am to 11/20/2017 - 04:00pm

    *** Downtime extended through 11/20 to due to power work at Jerome L Greene *** 

    Due to a scheduled power shutdown at the Jerome L Greene Science Center where the Habanero cluster is located the downtime will be extended until Monday 11/20. 


    CUIT is performing necessary maintenance on the Habanero HPC cluster to expand the functionality of the service.   This scheduled maintenance is expected to be completed on-time.

    During the scheduled time of this Service Alert, there will be no access to the Habanero cluster, and no jobs will run.

    CUIT apologizes for any inconvenience this may cause, but this action is necessary to ensure a more reliable service.  If clients continue to experience issues after the service-interruption hours, please contact the CUIT Helpdesk at:


    Phone:   212-854-1919



    For a list of active and future Service Alerts, please visit