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.
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10/4/2024 2:53:00 PM
MONTHLY MAINTENANCE: Wednesday, October 9, 2024, 8am-5pm
REASONS: To apply October 2024 security patches (Windows and Linux)
WHO WILL BE AFFECTED? Users of CAC managed resources housed in Rhodes Hall WHAT WILL BE UNAVAILABLE WHILE THEY ARE PATCHED AND REBOOTED? WHAT WILL NOT BE AFFECTED THIS MONTH? - Aclab, 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, November 13, 2024 REMINDER: The AIDA cluster will be upgraded and unavailable to users between October 4th and October 11th.
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9/9/2024 9:17:00 AM
MONTHLY MAINTENANCE: Wednesday, September 11, 2024, 8am-5pm
REASONS: To apply September 2024 security patches (Windows and Linux)
WHO WILL BE AFFECTED? Users of 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, October 9, 2024
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8/8/2024 4:22:00 PM
MONTHLY MAINTENANCE: Wednesday, August 14, 2024, 8am-5pm
REASONS: To apply August 2024 security patches (Windows and Linux)
WHO WILL BE AFFECTED? Users of 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, September 11, 2024
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7/15/2024 3:28:00 PM
CAC Archival Storage is Online
The maintenance on CAC Archival Storage (Globus endpoint: CAC Archive 2/DTN) has been completed successfully. Any ongoing Globus transfers that were disrupted by the maintenance should have resumed. If you encounter problems, please email help@cac.cornell.edu. Thank you!
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7/15/2024 10:17:00 AM
CAC Archive Storage Scheduled Maintenance
CAC's archival storage is unavailable Monday, July 15th for system maintenance.
During the maintenance:
1) The CAC Archive 2/DTN globus endpoint will be unavailable.
2) Scripted globus file transfers to host cacdtn.cac.cornell.edu will fail.
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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
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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
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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.
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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.
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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
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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
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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
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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.
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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
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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
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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
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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
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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
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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
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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
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