Reported Outages

Network outage at TACC - January 5, 2021

Resolved Posted by Cody Hammock on January 05, 2021
Outage start Tuesday, January 05, 2021 6:16 a.m.
Expected end Tuesday, January 05, 2021 11:16 a.m.

Dear Chameleon Users,

There was an interruption to networking affecting Chameleon systems hosted at TACC, from about 6:15  to 11:15 this morning. This included the Chameleon Portal. CHI@UC was not affected.

Service has been restored.

Thank you for your patience.

TACC network outage 10 Dec 2020

Resolved Posted by Cody Hammock on December 10, 2020
Outage start Thursday, December 10, 2020 2:15 p.m.
Expected end Thursday, December 10, 2020 2:52 p.m.

Network outage at TACC.

Planned power maintenance 2020-10-19

Resolved Posted by Jason Anderson on October 14, 2020
Outage start Monday, October 19, 2020 6 a.m.
Expected end Tuesday, October 20, 2020 3 p.m.

There will be a total site outage for Chameleon on Monday, October 19th, due to maintenance on the power system in the data center. While we don't expect the outage to take all day, we are blocking out a wide time slot just in case. During this time, users will be unable to access Chameleon resources.

CHI@UC network outage 2020-10-01

Resolved Posted by Jason Anderson on October 01, 2020
Outage start Thursday, October 01, 2020 9:20 a.m.
Expected end Thursday, October 01, 2020 10:45 a.m.

We are experiencing an unplanned network outage due to unforseen consequences of a networking config change earlier in the day. This is affecting the CHI@UC site and the Jupyter environment. We are working on a fix right now and hope to be back up shortly, thanks for the patience.

Reservation service outage for bare-metal sites

Resolved Posted by Zhuo Zhen on September 22, 2020
Outage start Monday, September 21, 2020 6 p.m.
Expected end Tuesday, September 22, 2020 10:38 a.m.

We are having issues with the Chameleon reservation service (Blazar) on both the bare metal sites. You may not be able to create or update your leases. We are working on fixing the issue now.

JupyterHub outage 2020-09-03

Resolved Posted by Jason Anderson on September 03, 2020
Outage start Thursday, September 03, 2020 10:11 a.m.
Expected end Thursday, September 03, 2020 9:46 a.m.

There was a brief outage of the JupyterHub environment this morning for 25 minutes, when a bad build was released.

TACC Network maintenance 13 September 2020

Resolved Posted by Cody Hammock on August 31, 2020
Outage start Sunday, September 13, 2020 10 a.m.
Expected end Sunday, September 13, 2020 12:50 p.m.

As of 12:50 PM CDT, network service is restored.

Access to systems at TACC will be unavailable 13 September 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 planned network maintenance 2020-09-03

Resolved Posted by Jason Anderson on August 31, 2020
Outage start Thursday, September 03, 2020 9 a.m.
Expected end Thursday, September 03, 2020 9:05 a.m.

We will have a short maintenance window at CHI@UC this coming Thursday, September 3rd, from 9AM-10AM, to do some maintenance to our core networking equipment.

During this time, instance launches on CHI@UC may be unreliable. The Jupyter interface will still be operational, and connectivity to existing instances should not be affected.

Login outage 2020-07-27

Resolved Posted by Jason Anderson on July 27, 2020
Outage start Monday, July 27, 2020 12:10 p.m.
Expected end Monday, July 27, 2020 2:25 p.m.

In the early afternoon, a configuration change caused login failures on both the bare metal and KVM experimentation sites. When logging in, some users may have encountered errors during authentication. The error has since been isolated and patched.

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.