Center for High Throughput Computing Status

Center for High Throughput Computing

[HTC] Slow or stuck processes in /staging

Monitoring - A fix has been implemented and we are monitoring the results.
Jul 24, 2026 - 13:25 CDT

Investigating - Users are reporting slow or stuck processes when interacting with the /staging file system (i.e., `ls`, `rm`, file transfers) We are currently investigating.
Jul 24, 2026 - 09:00 CDT

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

97.82 % uptime

Today

Access Points Operational

90 days ago

97.06 % uptime

Today

CHTC Pool Operational

90 days ago

97.06 % uptime

Today

External Pools (OSPool, Campus HTCondor Pools) Operational

90 days ago

98.62 % uptime

Today

Staging and Projects Space Operational

90 days ago

99.91 % uptime

Today

File Transfers Operational

90 days ago

96.44 % uptime

Today

High Performance Computing (HPC) System Operational

90 days ago

99.13 % uptime

Today

90 days ago

98.31 % uptime

Today

Cluster Nodes and Jobs Operational

90 days ago

98.24 % 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

95.21 % uptime

Today

Globus Endpoint Operational

90 days ago

95.23 % uptime

Today

Transfer server Operational

90 days ago

99.83 % uptime

Today

BadgerCompute Operational

90 days ago

96.65 % uptime

Today

BadgerCompute Operational

90 days ago

96.65 % uptime

Today

CHTC Internal Infrastructure Operational

90 days ago

99.75 % uptime

Today

Tiger Cluster Operational

90 days ago

99.62 % uptime

Today

RT Email/Ticket Support System Operational

90 days ago

100.0 % uptime

Today

User App Operational

90 days ago

99.11 % uptime

Today

Operational

Degraded Performance

Partial Outage

Major Outage

Maintenance

Scheduled Maintenance

[HPC] Downtime for spark-login Jul `30`, `2026` `09:00`-`10:00` CDT

Users will not be able to log into or access the HPC system for scheduled maintenance.
Posted on Jul 24, 2026 - 14:04 CDT

Past Incidents

Jul 24, 2026

Unresolved incident: [HTC] Slow or stuck processes in /staging.

Jul 23, 2026

No incidents reported.

Jul 22, 2026

No incidents reported.

Jul 21, 2026

No incidents reported.

Jul 20, 2026

No incidents reported.

Jul 19, 2026

No incidents reported.

Jul 18, 2026

No incidents reported.

Jul 17, 2026

No incidents reported.

Jul 16, 2026

No incidents reported.

Jul 15, 2026

No incidents reported.

Jul 14, 2026

[HTC] Downtime for townsend-ap

Completed - The scheduled maintenance has been completed.
Jul 14, 07:24 CDT

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Jul 14, 06:00 CDT

Scheduled - We will perform maintenance on townsend-ap.chtc.wisc.edu. This machine will be unavailable during this time.
Jul 10, 09:21 CDT

Jul 13, 2026

No incidents reported.

Jul 12, 2026

No incidents reported.

Jul 11, 2026

No incidents reported.

Jul 10, 2026

No incidents reported.