Classroom Guide for Students
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Pitzer
Emergency maintenance in data center Feb 10 2022
OSC will shut down significant portions of the Owens and Pitzer clusters for several hours on Thursday, Feb. 10 to conduct emergency maintenance work on power systems in the data center. Jobs running on impacted nodes will be terminated when this work begins. OSC will issue refunds as needed for any impacted jobs. Additionally, due to reduced capacity on both clusters, queued jobs will experience delays until the maintenance is complete and the scheduler has a chance to clear out any backlog. We apologize for the inconvenience.
QGIS 3.16.14 and 3.22.1 are available on Owens and Pitzer.
QGIS version 3.16.14 (LTR) and 3.22.1 are now available on Owens and Pitzer. Usage via OnDemand QGIS application.
OpenCV 4.5.4 is available on Pitzer
Date:
Thursday, January 13, 2022 - 4:00pm
System(s):
Open source computer vision 4.5.4 has been installed with gnu/9.1.0 compilers on Pitzer. Usage is via the module opencv/4.5.4. For help loading an installation, use the command: "module spider opencv/4.5.4". That command also emits information on usage and installation details.
Planned network maintenance Jan 28 2022
There is a planned network maintenance with OSC systems on 28 Jan 2022. It is expected to cause a loss of connection to OSC systems for up to 5 mins during the maintenance window of 5am-6am on 28 Jan 2022.
Please contact oschelp@osc.edu if there are any questions.
Inconsistent performance degradation of ESS filesystem
We have been experiencing inconsistent performance degradation of ESS filesystem (/fs/ess), starting from 12/22/2021. Jobs might be impacted. We are working with vendor on this. See this page for updated information: https://www.osc.edu/resources/technical_support/known_issues/inconsistent_performance_degradation_of_ess_filesystem
Home directory quota is inaccurate after Dec 14 Downtime
The home directory quota when logging into systems, or displayed through OnDemand or client portal (my.osc.edu) is inaccurate after Dec 14 Downtime. For more information see this page: https://www.osc.edu/resources/technical_support/known_issues/home_directory_quota_is_inaccurate_after_dec_14_downtime
System Downtime Dec 14, 2021
A downtime for all OSC HPC systems is scheduled from 7 a.m. to 9 p.m., Tuesday, December 14, 2021. During the downtime, the services including the Pitzer and Owens Clusters, web portals, state-wide licenses, HPC file servers, will not be available; there will also be a short outage of MyOSC.
In preparation for the downtime, jobs that cannot be completed before 7 a.m., December 14, 2021 will not start. These jobs will remain in the queues during the downtime.
