Center for High Throughput Computing Status

Center for High Throughput Computing

All Systems Operational

About This Site

This page provides information about unplanned downtimes and scheduled maintenance for services offered by the Center for High Throughput Computing

Uptime over the past 90 days. View historical uptime.

High Throughput Computing (HTC) System Operational

90 days ago

99.92 % uptime

Today

Access Points Operational

90 days ago

99.92 % uptime

Today

CHTC Pool Operational

90 days ago

100.0 % uptime

Today

External Pools (OSPool, Campus HTCondor Pools) Operational

90 days ago

100.0 % uptime

Today

Staging and Projects Space Operational

90 days ago

100.0 % uptime

Today

File Transfers Operational

90 days ago

99.71 % uptime

Today

High Performance Computing (HPC) System Operational

90 days ago

99.99 % uptime

Today

90 days ago

99.98 % uptime

Today

Cluster Nodes and Jobs Operational

90 days ago

100.0 % uptime

Today

Central Software Installations Operational

90 days ago

100.0 % uptime

Today

Home and Scratch File Systems Operational

90 days ago

100.0 % uptime

Today

Data Transfer Tools Operational

90 days ago

100.0 % uptime

Today

Globus Endpoint Operational

90 days ago

100.0 % uptime

Today

CHTC Internal Infrastructure Operational

90 days ago

100.0 % uptime

Today

Tiger Cluster Operational

90 days ago

100.0 % uptime

Today

RT Email/Ticket Support System Operational

90 days ago

100.0 % uptime

Today

Operational

Degraded Performance

Partial Outage

Major Outage

Maintenance

Past Incidents

Nov 17, 2025

No incidents reported today.

Nov 16, 2025

No incidents reported.

Nov 15, 2025

No incidents reported.

Nov 14, 2025

No incidents reported.

Nov 13, 2025

No incidents reported.

Nov 12, 2025

No incidents reported.

Nov 11, 2025

No incidents reported.

Nov 10, 2025

No incidents reported.

Nov 9, 2025

No incidents reported.

Nov 8, 2025

No incidents reported.

Nov 7, 2025

No incidents reported.

Nov 6, 2025

[HTC] Docker cache error

Resolved - We believe this issue has been resolved.
Nov 6, 15:03 CST

Monitoring - The caching service is back online and users should no longer see this error. If you do, please let us know at chtc@cs.wisc.edu .
Nov 6, 10:53 CST

Identified - Confirmed user reports of an error along the lines of "GET https://dockercache-cs-2360.chtc.wisc.edu/v2/: unexpected status code 503 Service Unavailable".
We've identified that our local Docker caching service is offline and are working to bring it back.
Nov 6, 10:33 CST

Nov 5, 2025

No incidents reported.

Nov 4, 2025

No incidents reported.

Nov 3, 2025

[HTC] Unable to access learn.chtc.wisc.edu

Resolved - This incident has been resolved.
Nov 3, 16:16 CST

Monitoring - A fix has been implemented and we are monitoring the results.
Nov 3, 14:59 CST

Investigating - Users of learn.chtc.wisc.edu are unable to log into or access the Access Point. The incident started on Friday, Oct 31. We are currently investigating the issue.
Nov 3, 09:55 CST