Texas Tech University

Maintenance Schedule

Items on this page:


Unscheduled Emergency Maintenance Issues:

Jobs on the Nocona partition will be paused temporarily Tuesday, September 6, 2022 to perform work related to installation of a maintenance bypass for the UPS that supports the Nocona cooling system. The outage is expected to be short and job execution will be resumed on the nodes as soon as it is complete. The rest of the RedRaider cluster and storage systems will remain unaffected. 

No other unplanned maintenance is in progress at this time.

For more information on status of individual services, see the "RedRaider Cluster" --> "Current Status of HPCC Services" page of the HPCC web site.

Please also see the information below on upcoming planned maintenance operations, and contact us by email at hpccsupport@ttu.edu if you have any questions.


Planned Maintenance:

Planned shutdowns are usually reserved for the first full week of the second month of each calendar quarter, skipping partial weeks within any given month, to carry out system maintenance, with exceptions as noted below. These can sometimes be skipped if not needed, expanded if necessary, or reduced. In addition, there will sometimes be necessary special planned shutdowns to carry out upgrades or alterations to the clusters.

For Academic Year 2022-2023, the planned shutdowns will be on the following schedule:

1) October 31 - November 8, 2022 (Lustre storage upgrades planned) *
2) February 6-10, 2023 
3) May 8-12, 2023 (Note: Overlaps last two days of finals; please complete projects before May 8)
4) August 7-11, 2023

(*Completed November 4)

We appreciate your patience during these maintenance periods, which are used to improve operation and stability of the resources and to implement new features as available. Please feel free to contact us at hpccsupport@ttu.edu if you require assistance or have any further questions.

Maintenance downtime policy for HPCC systems:

  • Special periods may be reserved for performing routine maintenance. Users will be notified as early as possible when we are planning on bring the systems down for any reason.
  • Systems may also go down at anytime to fix security issues, but every effort will be made to give the earliest possible notice.
  • Maintenance may also be required without prior notice in the event of system crashes or any unstable behavior.

Users should always keep extra copies of any files that are critical to their research on systems that are outside of the HPCC to plan around system maintenance and to guard against possible loss in the event of unforeseen catastrophic failure.

This policy is just good general practice and applies to all critical research files, regardless of where they are stored or whether or not they are located on HPCC resources.

For further information, see the "Data Transfer" and "Data Policy" guides on this web site.


If you have any questions, concerns, or problems the please contact us at hpccsupport@ttu.edu.

High Performance Computing Center