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·         Firmware updates

·         Kernel updates

·         Network maintenance

·         Major application reconfiguration

...

Regularly scheduled maintenance days are listed below:

Scheduled Maintenance

Day

Days

Third

Tuesday

Thursday of February

Third

Tuesday

Thursday of May

Third

Tuesday

Thursday of August

Third

Tuesday

Thursday of November

Weekly Planned Maintenance

...

The following tasks are performed on a regular basis:

  • Login nodes reboot and update every Tuesday at 10:00am EDT/EST.

  • Head nodes update every Wednesday Tuesday at 610:00 am 00am EDT/EST.

  • OSG nodes reboot and update every other Thursday at 10:30 am EDT/EST.

  • 25% 50% of the compute and GPU nodes are scheduled for reboots and updates update every other Tuesday and Thursday and reboot as jobs finish. (Effectively every node is scheduled to reboot every 2 weeks.)at 10:00am EDT/EST.

Example calendar:

1/4 cluster scheduled reboots

Login Nodes reboot

1/4 cluster scheduled reboots

Repeat forever

Sunday

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

1/4 cluster scheduled reboots

Login Nodes reboot

1/4 cluster scheduled reboots; OSG nodes reboot

Login, head, even numbered compute and gpu nodes update

odd numbered compute and gpu nodes update

Repeat forever

Unplanned Maintenance

Occasionally, Storrs HPC is forced to conduct unscheduled maintenance that may result in, or result from, a temporary outage. Such instances may include, but not be limited to:

  • Critical security updates

  • Hardware failures

  • Infrastructure-related outages

  • Extreme weather

When such instances occur, Storrs HPC will notify its user base as soon as possible via the STORRS-HPC_L Listserv email, and will provide status updates throughout the outage.

Please forward any questions to hpc@uconn.edu