PetaLibrary Partial Outage
Update - We are continuing to troubleshoot this issue. PetaLibrary allocations may become unavailable during this time.
Oct 08, 2026 - 11:38 MDT
Investigating - We are currently investigating this issue.
Oct 08, 2026 - 10:14 MDT
Rolling Updates on Alpine
Update - We are continuing to investigate this issue.
Oct 07, 2026 - 10:24 MDT
Update - From October 2026 to December 2026, CURC will be implementing rolling updates on Alpine’s CPU nodes in the acpu and amem partitions. The nodes in these partitions will be updated in small batches, which is intended to minimize disruption to normal operations, but may lead to temporary increases in queue wait times.
Oct 07, 2026 - 10:24 MDT
Investigating - From October 2026 to December 2026, CURC will be implementing rolling updates on Alpine’s CPU nodes in the acpu and amem partitions. The nodes in these partitions will be updated in small batches, which is intended to minimize disruption to normal operations, but may lead to temporary increases in queue wait times.
Oct 07, 2026 - 10:24 MDT
Uptime over the past 90 days. View historical uptime.
Research Computing Core Operational
Alpine Operational
Blanca Operational
PetaLibrary Partial Outage
Open OnDemand Operational
AWS ec2-us-west-2 Operational
AWS rds-us-west-2 Operational
AWS s3-us-west-2 Operational
Science Network Under Maintenance
Operational
Degraded Performance
Partial Outage
Major Outage
Maintenance
Major outage
Partial outage
No downtime recorded on this day.
No data exists for this day.
had a major outage.
had a partial outage.

No incidents or maintenance related to this downtime.

Oct 8, 2026

Unresolved incident: PetaLibrary Partial Outage.

Oct 7, 2026

Upcoming Monthly Planned Maintenance
Completed - The scheduled maintenance has been completed.
Oct 7, 18:22 MDT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Oct 7, 06:30 MDT
Scheduled - We will perform our monthly scheduled planned maintenance during this time. Affected services will be unavailable.
Sep 30, 14:07 MDT
Power Event - Tuesday 10/06/2026 - Power Loss in Primary Data Center
Resolved - This incident has been resolved.
Oct 7, 10:23 MDT
Update - We are continuing to investigate this issue.
Oct 6, 11:38 MDT
Investigating - Alpine, Blanca, and Core are currently experiencing degraded performance. To help stabilize services and preserve cluster availability, we are temporarily suspending new job scheduling and may suspend running jobs as needed.

We appreciate your patience while we work to restore normal operations and will provide updates as more information becomes available.
Oct 6, 11:22 MDT

Oct 6, 2026

Recurring Alpine Slurm controller outage
Resolved - This incident has been resolved.
Oct 6, 11:31 MDT
Update - We are continuing to investigate this issue. We have restored service including both primary and backup Alpine Slurm controllers but anticipate that we may face additional interruptions in the near future. The team has begun root-cause analysis and expect further changes to come. We will provide additional updates Thursday October 1.
Sep 30, 16:58 MDT
Investigating - We are investigating an issue with the Alpine Slurm controller, resulting in some queries to the controller or database hanging among other behaviors.
Sep 30, 16:35 MDT
PetaLibrary Partial Outage
Resolved - This incident has been resolved.
Oct 6, 11:20 MDT
Update - We received notice this morning of an issue affecting user permissions on the affected allocations. We believe we have addressed this through patching the identity-caching service on the head node. Testing shows successful results as of this writing. We are continuing to monitor for further issues.
Oct 2, 09:39 MDT
Monitoring - The issue affecting access to several PetaLibrary allocations has been remediated. The team is monitoring the system for any further problems.
Oct 1, 17:59 MDT
Investigating - We are currently investigating an issue affecting PetaLibrary. Some active allocations may be inaccessible. Our team is actively working to identify and resolve the problem.
Oct 1, 15:54 MDT

Oct 5, 2026

No incidents reported.

Oct 4, 2026

No incidents reported.

Oct 3, 2026

No incidents reported.

Oct 2, 2026

Oct 1, 2026

Sep 30, 2026

Sep 29, 2026

No incidents reported.

Sep 28, 2026

No incidents reported.

Sep 27, 2026

No incidents reported.

Sep 26, 2026

No incidents reported.

Sep 25, 2026

Security Patches
Completed - The scheduled maintenance has been completed.
Sep 25, 16:00 MDT
Verifying - CURC security patches are complete and we are seeing normal cluster behavior. CURC will continue to monitor and verify services.
Sep 25, 15:54 MDT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Sep 25, 10:00 MDT
Scheduled - CURC will perform necessary security updates on the network switches supporting Alpine, Blanca, Core Storage, and PetaLibrary.
During this maintenance window, you may experience temporary service interruptions that impact your ability to access data or run jobs. Any jobs actively running during this time will be automatically suspended and will resume once the updates are complete.
Sep 22, 16:52 MDT

Sep 24, 2026

No incidents reported.

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