Center for High Throughput Computing Status

[HTC] Slow performance in the /staging filesystem

Investigating - We are still receiving reports of poor staging performance. We are continuing to investigate.
Oct 29, 2026 - 15:07 CDT

Monitoring - We have implemented a few fixes, with some improved performance. We are still monitoring the situation.
Oct 29, 2026 - 11:19 CDT

Investigating - Multiple users have reported that the /staging filesystem is slow or unresponsive. This may be a continuation of yesterday's incident. We are investigating.
Oct 27, 2026 - 09:47 CDT

[HTC] Downtime for O'Connor EPs

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Oct 29, 2026 - 13:00 CDT

Scheduled - The O'Connor EPs will be periodically unavailable for some data updates.
Oct 29, 2026 13:00 - Nov 19, 2026 12:00 CST

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 Degraded Performance

Access Points Operational

CHTC Pool Under Maintenance

External Pools (OSPool, Campus HTCondor Pools) Operational

Staging and Projects Space Degraded Performance

File Transfers Degraded Performance

High Performance Computing (HPC) System Operational

Cluster Nodes and Jobs Operational

Central Software Installations Operational

Home and Scratch File Systems Operational

Data Transfer Tools Operational

Globus Endpoint Operational

Transfer server Operational

BadgerCompute Operational

CHTC Internal Infrastructure Operational

Tiger Cluster Operational

RT Email/Ticket Support System Operational

User App Operational

Operational

Degraded Performance

Partial Outage

Major Outage

Maintenance

Past Incidents

Oct `29`, `2026`

Unresolved incidents: [HTC] Downtime for O'Connor EPs, [HTC] Slow performance in the /staging filesystem.

Oct `28`, `2026`

[HTC] Problems logging into transfer.chtc.wisc.edu

Resolved - This incident has been resolved.
Oct 28, 12:01 CDT

Monitoring - We've attempted a fix to address the issue and will continue to monitor the issue.
Oct 27, 15:04 CDT

Investigating - Confirmed user reports of issues with logging into the transfer.chtc.wisc.edu.
The server may reject the user's password 3 times before failing.

We are investigating the cause.
Oct 27, 11:48 CDT

Oct `27`, `2026`

Oct `26`, `2026`

Staging performance degraded

Resolved - This incident has been resolved.
Oct 26, 14:09 CDT

Monitoring - A fix has been implemented and we are monitoring Staging's performance. If it continues to be slow, please email chtc@cs.wisc.edu.
Oct 26, 14:08 CDT

Investigating - Users have reported slow performance on Staging. We are investigating this issue.
Oct 26, 11:55 CDT

Oct `25`, `2026`

No incidents reported.

Oct `24`, `2026`

No incidents reported.

Oct `23`, `2026`

CHTC-ResearchDrive Integration via UWDF/Pelican - Permission Denial

Resolved - After investigating, we eliminated systemic problems as a cause for this issue. We believe this is a rare issue that can occur with ResearchDrive permissions for specific objects. Please let us know if you encounter this issue in the future.
Oct 23, 13:29 CDT

Investigating - We have received reports of issues with user jobs reading from ResearchDrive via the UWDF/Pelican integration. We are investigating the issue and will update this status page as updates become available.
Oct 23, 09:44 CDT

Oct `22`, `2026`

No incidents reported.

Oct `21`, `2026`

No incidents reported.

Oct `20`, `2026`

No incidents reported.

Oct `19`, `2026`

No incidents reported.

Oct `18`, `2026`

No incidents reported.

Oct `17`, `2026`

No incidents reported.

Oct `16`, `2026`

No incidents reported.

Oct `15`, `2026`

No incidents reported.