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Operating Status

Downtimes: There is only one e-mail sent per downtime. Information concerning completion of the work or extension of the downtime will be posted on this page. Information on this page is also available via RSS feed.

7/8/2024 9:59:00 AM

IMPORTANT message for Red Cloud Linux customers regarding the OPENSSH vulnerability CVE-2024-6387

Last week an openssh vulnerability (CVE-2024-6387) was discovered: https://www.qualys.com/regresshion-cve-2024-6387/. This vulnerability allows remote ssh users to bypass authentication and gain access to the system. The following Linux distros contain this vulnerability:

  • Rocky Linux 9
  • All current Ubuntu Linux versions: 20.04, 22.04, and 24.04

The official Linux images in Red Cloud have been patched. You need to patch your existing instances as soon as possible by issuing these commands at the prompt on your instance(s):

Rocky Linux 9: sudo dnf update openssh
Ubuntu 20.04, 22.04, and 24.04: sudo apt upgrade openssh-server
7/3/2024 9:58:00 AM

MONTHLY MAINTENANCE: Wednesday, July 10, 2024, 8am-5pm

REASONS: To apply July 2024 security patches (Windows and Linux)

WHO WILL BE AFFECTED? All who use CAC managed resources housed in Rhodes Hall

WHAT WILL BE UNAVAILABLE WHILE THEY ARE PATCHED AND REBOOTED?

WHAT WILL NOT BE AFFECTED THIS MONTH?

  • Linux Clusters: Aclab, Aida, Altas, CapeCrystal, Cayuga, CommCloud, Cqmetrics, Hopper, Marvin, Marx1, Mbot, Pool, Tardis3, TheCube, Yuegroup
  • Red Cloud
  • Archival Storage

STATUS: Downtime status will be posted.

QUESTIONS: https://www.cac.cornell.edu/help/

NEXT SCHEDULED MAINTENANCE: Wednesday, August 14, 2024

7/3/2024 8:11:00 AM

Jetstream2 Cornell Regional Cloud Scheduled Maintenance Completed

The scheduled maintenance for Jetstream2 Cornell Regional Cloud has been completed. The cloud is back online.

7/2/2024 9:07:00 AM

Jetstream2 Cornell Regional Cloud is under maintenance

Jetstream2 Cornell Regional Cloud is under scheduled maintenance for network reconfiguration.

6/6/2024 3:17:00 PM

MONTHLY MAINTENANCE: Wednesday, June 12, 2024, 8am-5pm

REASONS: To apply June 2024 security patches (Windows and Linux)

WHO WILL BE AFFECTED? All who use CAC managed resources housed in Rhodes Hall

WHAT WILL BE UNAVAILABLE WHILE THEY ARE PATCHED AND REBOOTED?

WHAT WILL NOT BE AFFECTED THIS MONTH?

  • Linux Clusters: Aclab, Aida, Altas, CapeCrystal, Cayuga, CommCloud, Cqmetrics, Hopper, Marvin, Marx1, Mbot, Pool, Tardis3, TheCube, Yuegroup
  • Red Cloud
  • Archival Storage

STATUS: Downtime status will be posted.

QUESTIONS: https://www.cac.cornell.edu/help/

NEXT SCHEDULED MAINTENANCE: Wednesday, July 10, 2024

5/9/2024 9:35:00 PM

MONTHLY MAINTENANCE: Wednesday, May 15, 2024, 8am-5pm

REASONS: To apply May 2024 security patches (Windows and Linux)

WHO WILL BE AFFECTED? All who use CAC managed resources housed in Rhodes Hall

WHAT WILL BE UNAVAILABLE WHILE THEY ARE PATCHED AND REBOOTED?

WHAT WILL NOT BE AFFECTED THIS MONTH?

  • Linux Clusters: Aclab, Aida, Altas, CapeCrystal, Cayuga, CommCloud, Cqmetrics, Hopper, Marvin, Marx1, Mbot, Pool, Tardis3, TheCube, Yuegroup
  • Red Cloud
  • Archival Storage

STATUS: Downtime status will be posted.

QUESTIONS: https://www.cac.cornell.edu/help/

NEXT SCHEDULED MAINTENANCE: Wednesday, June 12, 2024

4/5/2024 9:28:00 AM

MONTHLY MAINTENANCE: Wednesday, April 10, 2024, 8am-5pm

REASONS: To apply April 2024 security patches (Windows and Linux)

WHO WILL BE AFFECTED? All who use CAC managed resources housed in Rhodes Hall

WHAT WILL BE UNAVAILABLE WHILE THEY ARE PATCHED AND REBOOTED?

WHAT WILL NOT BE AFFECTED THIS MONTH?

  • Linux Clusters: Aclab, Aida, Altas, CapeCrystal, Cayuga, CommCloud, Cqmetrics, Hopper, Marvin, Marx1, Mbot, Pool, Tardis3, TheCube, Yuegroup
  • Red Cloud
  • Archival Storage

STATUS: Downtime status will be posted.

QUESTIONS: https://www.cac.cornell.edu/help/

NEXT SCHEDULED MAINTENANCE: Wednesday, May 15, 2024

SCIENTIFIC COMPUTING TRAINING WEBINARS: https://its.weill.cornell.edu/scientific-computing-training-series

UNRESTRICTED FUNDS AVAILABLE FOR AWS SCIENCE AWARDEES: https://www.cac.cornell.edu/about/news/240402.aspx

4/3/2024 4:53:00 PM

Power Outage - Ithaca Campus

There was an unplanned Ithaca Campus power outage at 11:45 Wednesday, April 3, 2024. This outage affected many CAC managed servers in Rhodes Hall.

CAC staff are working to restore affected nodes.
4/3/2024 12:03:00 PM

CAC machine room Power Outage

Staff will be restoring systems as soon as possible

Staff will be restoring systems as soon as possible
3/7/2024 3:10:00 PM

MONTHLY MAINTENANCE: Wednesday, March 13, 2024, 8am-5pm

REASONS: To apply March 2024 security patches (Windows and Linux)

WHO WILL BE AFFECTED? All who use CAC managed resources housed in Rhodes Hall

WHAT WILL BE UNAVAILABLE WHILE THEY ARE PATCHED AND REBOOTED?

WHAT WILL NOT BE AFFECTED THIS MONTH?

  • Linux Clusters: Aclab, Aida, Altas, CapeCrystal, Cayuga, CommCloud, Cqmetrics, Hopper, Marvin, Marx1, Mbot, Pool, Tardis3, TheCube, Yuegroup
  • Red Cloud
  • Archival Storage

STATUS: Downtime status will be posted.

QUESTIONS: https://www.cac.cornell.edu/help/

NEXT SCHEDULED MAINTENANCE: Wednesday, April 10, 2024

SCIENTIFIC COMPUTING TRAINING WEBINARS: https://its.weill.cornell.edu/scientific-computing-training-series

2/9/2024 1:10:00 PM

MONTHLY MAINTENANCE: Wednesday, February 14, 2024, 8am-5pm

REASONS: To apply February 2024 security patches (Windows and Linux)

WHO WILL BE AFFECTED? All who use CAC managed resources housed in Rhodes Hall

WHAT WILL BE UNAVAILABLE WHILE THEY ARE PATCHED AND REBOOTED?

WHAT WILL NOT BE AFFECTED THIS MONTH?

  • Linux Clusters: Aclab, Aida, Altas, CapeCrystal, Cayuga, CommCloud, Cqmetrics, Hopper, Marvin, Marx1, Mbot, Pool, Tardis3, TheCube
  • Red Cloud
  • Archival Storage

STATUS: Downtime status will be posted.

QUESTIONS: https://www.cac.cornell.edu/help/

NEXT SCHEDULED MAINTENANCE: Wednesday, March 13, 2024

SCIENTIFIC COMPUTING TRAINING WEBINARS: https://its.weill.cornell.edu/scientific-computing-training-series

1/4/2024 3:11:00 PM

MONTHLY MAINTENANCE: Wednesday, January 10, 2024, 8am-5pm

REASONS: To apply January 2024 security patches (Windows and Linux)

WHO WILL BE AFFECTED? All who use CAC managed resources housed in Rhodes Hall

WHAT WILL BE UNAVAILABLE WHILE THEY ARE PATCHED AND REBOOTED?

WHAT WILL NOT BE AFFECTED THIS MONTH?

  • Linux Clusters: Aclab, Aida, Altas, CapeCrystal, Cayuga, CommCloud2, Cqmetrics, Hopper, Marvin, Marx1, Pool, Tardis3, TheCube
  • Red Cloud
  • Archival Storage

STATUS: Downtime status will be posted.

QUESTIONS: https://www.cac.cornell.edu/help/

NEXT SCHEDULED MAINTENANCE: Wednesday, February 14, 2024

12/7/2023 3:51:00 PM

MONTHLY MAINTENANCE: Wednesday, December 13, 2023, 8am-5pm

REASONS: To apply December 2023 security patches (Windows and Linux)

WHO WILL BE AFFECTED? All who use CAC managed resources housed in Rhodes Hall

WHAT WILL BE UNAVAILABLE WHILE THEY ARE PATCHED AND REBOOTED?

WHAT WILL NOT BE AFFECTED THIS MONTH?

  • Linux Clusters: Aclab, Aida, Altas, CapeCrystal, Cayuga, CommCloud2, Cqmetrics, Hopper, Marvin, Marx1, Pool, Tardis3, TheCube
  • Red Cloud
  • Archival Storage

STATUS: Downtime status will be posted.

QUESTIONS: https://www.cac.cornell.edu/help/

NEXT SCHEDULED MAINTENANCE: Wednesday, January 10, 2024

11/9/2023 10:34:00 AM

MONTHLY MAINTENANCE: Wednesday, November 15, 2023, 8am-5pm

REASONS: To apply November 2023 security patches (Windows and Linux)

WHO WILL BE AFFECTED? All who use CAC managed resources housed in Rhodes Hall

WHAT WILL BE UNAVAILABLE WHILE THEY ARE PATCHED AND REBOOTED?

WHAT WILL NOT BE AFFECTED THIS MONTH?

  • Linux Clusters: Aclab, Aida, Altas, CapeCrystal, Cayuga, CommCloud2, Cqmetrics, Hopper, Marvin, Marx1, Pool, Tardis3, TheCube
  • Red Cloud
  • Archival Storage

STATUS: Downtime status will be posted.

QUESTIONS: https://www.cac.cornell.edu/help/

NEXT SCHEDULED MAINTENANCE: Wednesday, December 13, 2023

FALL 2023 SCIENTIFIC COMPUTING TRAINING WEBINARS: https://its.weill.cornell.edu/scientific-computing-training-series

10/31/2023 2:03:00 PM

Pool cluster - head node rebooted 31 October 2023

The Pool head node was accidentally rebooted today. No running jobs were lost. We apologize for the disruption. -CAC staff

10/5/2023 6:34:00 PM

MONTHLY MAINTENANCE: Wednesday, October 11, 2023, 8am-5pm

REASONS: To apply October 2023 security patches (Windows and Linux)

WHO WILL BE AFFECTED? All who use CAC managed resources housed in Rhodes Hall

WHAT WILL BE UNAVAILABLE WHILE THEY ARE PATCHED AND REBOOTED?

WHAT WILL NOT BE AFFECTED THIS MONTH?

  • Linux Clusters: Aclab, AIDA, Altas, CapeCrystal, Cayuga, CommCloud2, Cqmetrics, Hopper, Marvin, Marx1, Pool, Tardis3, TheCube
  • Red Cloud
  • Archival Storage

STATUS: Downtime status will be posted.

QUESTIONS: https://www.cac.cornell.edu/help/

NEXT SCHEDULED MAINTENANCE: Wednesday, November 15, 2023

FALL 2023 SCIENTIFIC COMPUTING TRAINING WEBINARS: https://its.weill.cornell.edu/scientific-computing-training-series

9/7/2023 3:55:00 PM

MONTHLY MAINTENANCE: Wednesday, September 13, 2023, 8am-5pm

REASONS: To apply September 2023 security patches (Windows and Linux)

WHO WILL BE AFFECTED? All who use CAC managed resources housed in Rhodes Hall

WHAT WILL BE UNAVAILABLE WHILE THEY ARE PATCHED AND REBOOTED?

WHAT WILL NOT BE AFFECTED THIS MONTH?

  • Linux Clusters: Aclab, AIDA, Altas, CapeCrystal, Cayuga, CommCloud2, Cqmetrics, Hopper, Marvin, Marx1, Pool, Tardis3, TheCube
  • Red Cloud
  • Archival Storage

STATUS: Downtime status will be posted.

QUESTIONS: https://www.cac.cornell.edu/help/

NEXT SCHEDULED MAINTENANCE: Wednesday, October 11, 2023

8/3/2023 3:57:00 PM

MONTHLY MAINTENANCE: Wednesday, August 9, 2023, 8am-5pm

REASONS: To apply August 2023 security patches (Windows and Linux)

WHO WILL BE AFFECTED? All who use CAC managed resources housed in Rhodes Hall

WHAT WILL BE UNAVAILABLE WHILE THEY ARE PATCHED AND REBOOTED?

WHAT WILL NOT BE AFFECTED THIS MONTH?

  • Linux Clusters: Aclab, AIDA, Altas, CapeCrystal, CommCloud2, Cqmetrics, Hopper, Marvin, Marx1, Pool, Tardis3, TheCube
  • Red Cloud
  • Archival Storage

STATUS: Downtime status will be posted.

QUESTIONS: https://www.cac.cornell.edu/help/

NEXT SCHEDULED MAINTENANCE: Wednesday, September 13, 2023

7/6/2023 3:58:00 PM

MONTHLY MAINTENANCE: Wednesday, July 12, 2023, 8am-5pm

REASONS: To apply July 2023 security patches (Windows and Linux)

WHO WILL BE AFFECTED? All who use CAC managed resources housed in Rhodes Hall

WHAT WILL BE UNAVAILABLE WHILE THEY ARE PATCHED AND REBOOTED?

WHAT WILL NOT BE AFFECTED THIS MONTH?

  • Linux Clusters: Aclab, AIDA, Altas, CapeCrystal, CommCloud2, Cqmetrics, Hopper, Marvin, Marx1, Pool, Tardis3, TheCube
  • Red Cloud
  • Archival Storage

STATUS: Downtime status will be posted.

QUESTIONS: https://www.cac.cornell.edu/help/

NEXT SCHEDULED MAINTENANCE: Wednesday, August 9, 2023

7/6/2023 3:55:00 PM

NETWORK MAINTENANCE: Tuesday, July 11, 2023, 4am-7am; the upgrade should only take 15-20 minutes and during the maintenance window.

REASONS: Routine updates to research network switch (cac1-qfx)

WHO WILL BE AFFECTED? Users of CAC managed resources housed in Rhodes Hall; all external connections will be dropped