Infrastructure News Type: Introduction

Start Date: September 21, 2026, 9:23 a.m.

End Date: October 12, 2029, 7:21 a.m.

Candy is a CLI tool that provides a basic set of commands to perform tedious tasks such as converting YAML to JSON or JSON to YAML directly from your terminal. It's built with Go, Cobra, Viper, etc. To install the Candy CLI, use the command go install github.com/Pradumnasaraf/candy@latest. Go will automatically install it in your $GOPATH/bin directory, which should be in your $PATH. Once installed, you can use the candy CLI command. To confirm installation, type candy at the command line.

Posted: March 20, 2026

Infrastructure News Type: Degraded

Start Date: July 8, 2026, 10:23 a.m.

End Date: September 9, 2026, 3:24 a.m.

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Posted: March 18, 2026

Infrastructure News Type: Outage Full

Start Date: March 21, 2026, 11:02 a.m.

End Date: June 8, 2028, 11:57 p.m.

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Posted: March 19, 2026

Infrastructure News Type: Reconfiguration

Start Date: March 20, 2026, 9:12 a.m.

End Date: April 1, 2026, 10:32 a.m.

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Posted: March 18, 2026

Infrastructure News Type: Introduction

Start Date: March 18, 2026, 9:59 a.m.

End Date: July 4, 2026, 7:32 a.m.

The Nerd Cluster is running 100% Kubernetes on a network of Sour Candy Ropes

Posted: March 18, 2026

Infrastructure News Type: Degraded

Start Date: March 18, 2026, 2:06 a.m.

End Date: March 19, 2026, 10:07 a.m.

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Posted: March 18, 2026

Infrastructure News Type: Reconfiguration

Start Date: February 25, 2026, 1:22 p.m.

End Date: March 5, 2026, 1:23 p.m.

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Posted: February 25, 2026

Infrastructure News Type: Outage Full

Affected Infrastructure: bridges2-em.psc.access-ci.org, bridges2-gpu.psc.access-ci.org, bridges2-rm.psc.access-ci.org, bridges2-ocean.psc.access-ci.org

Start Date: February 20, 2026, 6:50 p.m.

End Date: February 20, 2026, 9:30 p.m.

At around 12:50 PM Eastern on Friday, February 20, the PSC datacenter was hit with a power disruption. PSC staff are returning the systems to service as quickly as possible. Most of the Bridges-2 infrastructure has returned to service at 3:30PM Eastern Time.

Posted: March 20, 2026

Infrastructure News Type: Outage Partial

Affected Infrastructure: kerberos.access-ci.org

Start Date: February 18, 2026, 4:00 p.m.

End Date: February 18, 2026, 5:00 p.m.

NCSA will be migrating the ACCESS-CI Master Kerberos server to proxmox. During this migration, password resets will not work and new accounts will not be able to be created. Authentication may be slightly delayed as they fail over to the replicas.

Posted: March 20, 2026

Infrastructure News Type: Introduction

Start Date: February 16, 2026, 9:32 p.m.

End Date: February 26, 2026, 7:34 a.m.

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Posted: February 13, 2026

Infrastructure News Type: Outage Full

Start Date: February 6, 2026, 7:22 p.m.

End Date: Not Specified

more candy and latin fakery stuff

Posted: January 13, 2026

Infrastructure News Type: Reconfiguration

Start Date: February 6, 2026, 7:22 p.m.

End Date: February 9, 2026, 9:23 a.m.

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Posted: February 3, 2026

Infrastructure News Type: Outage Full

Affected Infrastructure: anvil.purdue.access-ci.org, anvil-gpu.purdue.access-ci.org

Start Date: February 6, 2026, 6:00 a.m.

End Date: Not Specified

Dear Anvil Users, As of 12:00 AM ET, the maintenance work on the data center where Anvil is housed has been completed and job scheduling has been resumed. If you encounter any issues post maintenance, please contact ACCESS Help Desk (https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2F6fax6u7ab.cc.rs6.net%2Ftn.jsp%3Ff%3D001dCpINx6evSsa1_17Dchea-aVnOlLHYrrWCf8ycCjv-K07nZ_U7rnHdWI0h9pGbc890parwoc93MiggkbErRGGuIMGhQdGfuyxgjLhnZuEo2KQkZ98YVQFYafo6s2GQAXe13TtUipPDXh9_y-djtady1wkTvjiBTD01OZK5Rw9wECeD-h9subow%3D%3D%26c%3DCcfuyLIMXqPrEf3n9vLlQFGxzpID_X0qsA32hTNQ9EW-RyenvYgQng%3D%3D%26ch%3Do7Q3tk2Wg_NLAcXRVRM68jZ-iyAmpSuIHOCwn57D2u7DIOoqZlyxdg%3D%3D&data=05%7C02%7Cschultzy%40purdue.edu%7Ce2b279b8b3054de4405108de390b8b94%7C4130bd397c53419cb1e58758d6d63f21%7C1%7C0%7C639010918938743892%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=%2B1XXeFCkoGoXLG5ldWwyEUA1BWvG%2FPPnHljt%2BvJVqpM%3D&reserved=0). Sincerely, Doug Schultz Sr. Manager Scientific Applications Rosen Center for Advanced Computing Purdue University

Posted: March 20, 2026

Infrastructure News Type: Outage Partial

Affected Infrastructure: anvil.purdue.access-ci.org, anvil-gpu.purdue.access-ci.org

Start Date: February 5, 2026, 11:00 a.m.

End Date: February 6, 2026, 1:00 a.m.

Dear Anvil users, On Thursday, February 5, the data center where the Anvil cluster is housed will be offline while cooling maintenance is performed. During this maintenance window, Anvil will be powered down. We expect this maintenance to last from 6 AM EST to 8 PM EST. How does this maintenance impact you? - Any jobs requesting a walltime which would take them past the start of the maintenance will not start and will remain in the queue until after the maintenance is completed. - You will not be able to run jobs during the maintenance period. - The Anvil Composable cluster and all web services hosted on it will be unavailable during the scheduled maintenance window. This includes AnvilGPT service, which is hosted on Anvil Composable. - You will still be able to access your data. If you have questions about how this outage will affect your work or need support, please contact ACCESS Help Desk (https://support.access-ci.org/help-ticket). Sincerely, Doug Schultz Sr. Manager Scientific Applications Rosen Center for Advanced Computing Purdue University

Posted: March 20, 2026

Infrastructure News Type: Reconfiguration

Affected Infrastructure: identity.access-ci.org

Start Date: February 4, 2026, 3:15 p.m.

End Date: February 4, 2026, 3:30 p.m.

On February 4, 2026, the ACCESS Identity Provider (https://idp.access-ci.org/idp) (idp.access-ci.org) was updated to Shibboleth v5.2.0 (https://shibboleth.atlassian.net/wiki/spaces/IDP5/pages/3199500367/ReleaseNotes#5.2.0-([date])), which includes updates to Spring (v7) and Spring Web Flow (v4).

Posted: March 20, 2026

Infrastructure News Type: Outage Partial

Affected Infrastructure: allocations.access-ci.org, identity.access-ci.org

Start Date: January 28, 2026, 3:00 p.m.

End Date: January 28, 2026, 4:00 p.m.

CILogon data store maintenenance - North America Upcoming scheduled maintenance noticeOn Wednesday, January 28th, 2025, we will be performing emergency maintenance on our data storage system to address issues with performance degradation and outages over the last few weeks. No downtime is expected, but users may experience slower than usual performance during the maintenance window. LDAP will not be impacted. Please report any issues you find after the maintenance window ends to help@cilogon.org (mailto:help@cilogon.org) Start time Jan 28, 08:00 CST Estimated duration 1 hour Components affected cilogon.org (http://cilogon.org/) registry.cilogon.org (http://registry.cilogon.org/)

Posted: March 20, 2026

Infrastructure News Type: Outage Full

Affected Infrastructure: aces.tamu.access-ci.org

Start Date: January 28, 2026, 3:00 p.m.

End Date: January 29, 2026, 2:00 a.m.

UPDATE: The ACES cluster is now available. Some nodes remain unavailable due to issues with one of the PCIe composability fabrics that we hope to fix ASAP this week. Due to the job scheduling backlog, new limits per job and per user have been applied to help improve fairness among ACES users. - 2000 core limit per user - 10 GPU limit per user - 20 node limit per job in cpu queue - 10 node limit per job in pvc queue UPDATE: The scheduled maintenance is now starting. The TAMU ACES cluster will be unavailable from 9a to 8p CST Wednesday January 28, 2026 for regular and storage maintenance.

Posted: March 20, 2026

Infrastructure News Type: Outage Partial

Affected Infrastructure: expanse.sdsc.access-ci.org, expanse-gpu.sdsc.access-ci.org

Start Date: January 25, 2026, 9:00 a.m.

End Date: January 27, 2026, 5:00 a.m.

>>>> Update 2 >>>> Dear Expanse User, The majority of the affected Expanse nodes (except Rack3) were put back in production Monday night and most of the Rack 3 nodes were brought online this morning. The job backlog will clear over the next few days and wait times should return to normal soon. Thanks SDSC User Services >>>>> Dear Expanse User, A subset of the Expanse nodes continue to be offline as further work is needed to address the power infrastructure for the nodes. This means that there are fewer nodes available for use on Expanse and there will be longer wait times as we resolve this issue. Please leave your jobs in the queue and they will run as resources become available. Thanks SDSC User Services Staff >>>>>>>>. Dear Expanse User, We are seeing a significant number of down nodes on SDSC Expanse right now and are looking into the problem. This issue started a little after midnight due to a power outage and impacted running jobs. We will update once we have more information and upon resolution. Thanks SDSC User Services Staff

Posted: March 20, 2026

Infrastructure News Type: Outage Partial

Affected Infrastructure: expanse.sdsc.access-ci.org, expanse-gpu.sdsc.access-ci.org, expanse-ps.sdsc.access-ci.org

Start Date: January 16, 2026, 3:00 p.m.

End Date: January 17, 2026, 1:15 a.m.

Update: Dear Expanse User, The Lustre issues on Expanse have been resolved and filesystem is available for use. Separately this morning we had an issue with the cooling distribution units (CDUs) that resulted in shutting down of the Expanse CPU nodes. That problem has also been resolved and the system is running jobs now. Thanks SDSC User Services Staff >>>>> Dear Expanse User, We are currently seeing problems with one of the object storage servers of the Expanse Lustre filesystem. The issue started around 7AM (PT) and is currently resulting in filesystem access problems on all Expanse nodes. This will impact logins if your default path has Lustre locations in it. We will update once the issue is resolved. Thanks SDSC User Services Staff

Posted: March 20, 2026

Infrastructure News Type: Degraded

Affected Infrastructure: kerberos.access-ci.org

Start Date: January 9, 2026, 10:00 p.m.

End Date: January 12, 2026, 3:00 p.m.

Due to power work at NCSA the replica Kerberos server will be offline over the weekend. The master server and the replica hosted at PSC will remain online and unaffected by this work. No service impact is expected but you may see slight delays as things move over to the other replica server.

Posted: March 20, 2026