User portal and lease/allocation system scheduled maintenance 02/28
| Outage start | Tuesday, February 28, 2023 10 a.m. |
| Expected end | Tuesday, February 28, 2023 11 a.m. |
The user portal will be down for about an hour for scheduled maintenance on 02/28.
Reported Outages
CHI@IIT currently down
| Outage start | Friday, January 27, 2023 5:01 p.m. |
| Expected end | Monday, January 30, 2023 5:14 p.m. |
CHI@IIT is back up, but we're still waiting for the arrival of replacement hardware. Currently, bringing the site back online requires in-person actions, and so you'll observe instability until said hardware is installed. We plan for this work to be completed by the end of this week, subject to parts availability.
Network maintenance at TACC January 25, 2023
| Outage start | Wednesday, January 25, 2023 11 a.m. |
| Expected end | Wednesday, January 25, 2023 4:10 p.m. |
COMPLETE: The work is complete. Please let us know via the helpdesk if you encounter any ongoing issues.
In order to perform some necessary network maintenance, there will be brief interruptions to compute instances for CHI@TACC and KVM@TACC.
chi@edge public IPs unavailable
| Outage start | Wednesday, January 18, 2023 5:35 p.m. |
| Expected end | Tuesday, January 31, 2023 5:11 p.m. |
Current status:
Stability issues are resolved, we had observed and fixed deadlocks in both container launches and lease creation, due to an upstream eventlet bug.
Public Floating IPs are now functional again. The network operated by our infrastructure provider was filtering some mac-addresses, which bridged networks from working.
Scheduled JupyterHub maintenance
| Outage start | Thursday, January 05, 2023 9 a.m. |
| Expected end | Thursday, January 05, 2023 7:17 p.m. |
We will be bringing down JupyterHub at 9:00 AM on January 5 for scheduled maintenance.
UPDATE: The upgrade is now complete. If you encounter any issues with jupyter or trovi, please let us know via the help desk
Scheduled outage affecting stitching from CHI@UC to FABRIC
| Outage start | Wednesday, December 21, 2022 10:30 a.m. |
| Expected end | Wednesday, December 21, 2022 2:30 p.m. |
On Wednesay, December 21st, from 10:30am - 2:30pm vlans 3300-3309 connecting CHI@UC to FABRIC will be down due to emergency maintenance on an upstream router. This maintenance was delayed from Dec 13th due to parts availability.
Authentication Outage for CHI@TACC
| Outage start | Wednesday, December 07, 2022 6:30 a.m. |
| Expected end | Wednesday, December 07, 2022 10:20 a.m. |
Resolved: Authentication for CHI@TACC has been resolved.
Starting at approximately 6:30 AM Central Time CHI@TACC has been experiencing an outage relating to authenticaion of the web interface. CLI access is not affected. Staff are working to resolve the issue.
KVM@TACC instance launch issues
| Outage start | Wednesday, November 16, 2022 10:40 a.m. |
| Expected end | Wednesday, November 30, 2022 10:30 a.m. |
We are observing intermittent timeouts accessing the dashboard and launching instances on KVM@TACC.
This appears to be linked to higher than expected load on a database node, we are investigating solutions.
Running instances should not be affected.
KVM@TACC Unavailable Nov 16, 2022
| Outage start | Wednesday, November 16, 2022 3:15 p.m. |
| Expected end | Wednesday, November 16, 2022 6:08 p.m. |
Starting at approximately 3:15pm Central, KVM@TACC has been unavailable. Staff is working to restore access.
chi@uc outage
| Outage start | Wednesday, November 09, 2022 3:03 p.m. |
| Expected end | Wednesday, November 09, 2022 10 p.m. |
10pm CT: This is now resolved.
Due to a disk failure, we need to restart the management node running CHI@UC.