Reported Outages

Jupyter outage 2020-07-10

Resolved Posted by Jason Anderson on July 10, 2020
Outage start Friday, July 10, 2020 3:30 p.m.
Expected end Friday, July 10, 2020 10:15 p.m.

We are currently experiencing an outage of the shared Jupyter environment related to the remote storage of user directories. There is no indication of data loss but the system is unable to mount these remote volumes. You will not be able to access your Jupyter server until this is resolved.

TACC Network maintenance 19 July 2020

Resolved Posted by Cody Hammock on July 10, 2020
Outage start Sunday, July 19, 2020 10 a.m.
Expected end Sunday, July 19, 2020 1:45 p.m.

UPDATE:
As of Sunday, 19 Jul 2020 at 1:45 PM (CDT) network maintenance is complete and services should be available.

Access to systems at TACC will be unavailable 19 July 2020 from 10:00 AM CDT to 4:00 PM CDT. This allows for upgrades to the TACC core network. Instances will continue to run, but there will be no access to services and systems hosted at TACC until the work is complete. This includes CHI@TACC, KVM@TACC, and the Chameleon portal. Please submit any questions via the Chameleon helpdesk.

CHI@UC outage Jun 22

Resolved Posted by Zhuo Zhen on June 22, 2020
Outage start Sunday, June 21, 2020 8:37 a.m.
Expected end Monday, June 22, 2020 12:11 p.m.

We are experiencing an outage at UC that began at ~12am CST. It affects the CHI OpenStack cloud and the Jupyter notebook environment. We are working to restore service currently.

Certificate chain expiration

Resolved Posted by Cody Hammock on June 02, 2020
Outage start Monday, June 01, 2020 12 a.m.
Expected end Tuesday, June 02, 2020 4 p.m.

Due to a certificate expiration in the trust chain for the certificates providing SSL for Chameleon, some clients (e.g. Swift) could no longer verify the SSL termination for the endpoint. To correct this, a new chain was generated using https://whatsmychaincert.com and verified at that same site.

The outage is resolved.

TACC Network maintenance 10 May 2020

Resolved Posted by Cody Hammock on May 08, 2020
Outage start Sunday, May 10, 2020 10 a.m.
Expected end Sunday, May 10, 2020 11:02 a.m.

Update: The TACC network maintenance is now complete

Access to all TACC systems will be unavailable on 10 May 2020 from 10:00 AM CDT until 2:00 PM CDT.  This is to allow for upgrades to the TACC core network hardware. Instances will continue to run, but users will have no access to CHI@TACC, KVM@TACC, and Chameleon portal until the upgrade is complete, including the Chameleon portal.

KVM@TACC Network Outage 5-7-2020

Resolved Posted by Cody Hammock on May 07, 2020
Outage start Thursday, May 07, 2020 9 a.m.
Expected end Friday, May 08, 2020 10:17 a.m.

UPDATE: The networking issues have been resolved, and connectivity should be restored to all instnaces.

The KVM system at TACC is experiencing trouble with network connectvitiy. Staff is working to correct the issue. 

Thank you for your patience.

CHI@UC outage April 21

Resolved Posted by Zhuo Zhen on April 21, 2020
Outage start Tuesday, April 21, 2020 10:50 a.m.
Expected end Tuesday, April 21, 2020 11:10 a.m.

We experienced a short outage at UC that began at 10:50am CST. It may have affected using CHI@UC site and Jupyter Notebook.The issue has been resolved.

CHI@UC outage Mar 30

Resolved Posted by Jacob Colleran on March 30, 2020
Outage start Monday, March 30, 2020 9:15 a.m.
Expected end Monday, March 30, 2020 10:45 a.m.

We experienced a network outage at UC that began at roughly 9:15am CST. It may have effected connectivity for running experiments. The issue has since been resolved.

Network maintenance at TACC March 15 9am-12pm CDT

Resolved Posted by Cody Hammock on March 10, 2020
Outage start Sunday, March 15, 2020 9 a.m.
Expected end Sunday, March 15, 2020 2:57 p.m.

Update: Scheduled maintenance is complete.

Access to all TACC systems will be unavailable on Sunday, 15 March, 2020 from 9:00 AM CDT until 12:00 PM CDT. This is to allow for upgrades to the TACC core network hardware. During this upgrade, users will have no access to CHI@TACC and KVM@TACC services and instances, or the Chameleon Portal. CHI@UC and Jupyter will remain available.