| Outage start | Tuesday, February 04, 2020 1 p.m. |
| Expected end | Tuesday, February 04, 2020 2 p.m. |
We will be performing system-wide maintenance on the CHI infrastructure on February 4, 2020. The maintenance is expected to take all day; while CHI@UC and CHI@TACC may be accessible for portions of the day, you should expect service interruptions as we apply upgrades to the various subsystems.
| Outage start | Friday, January 10, 2020 4 p.m. |
| Expected end | Monday, January 13, 2020 9 a.m. |
CHI@TACC experimental nodes were temporarily unreachable via SSH, though the Chameleon portal and user interfaces were still operational. CHI@UC was unaffected.
| Outage start | Monday, January 13, 2020 4 p.m. |
| Expected end | Monday, January 13, 2020 4:20 p.m. |
Apologies for the short notice, but we must perform a short maintenance on the CHI@UC network equipment today. This will cause a brief (10-20 minute) outage on the CHI@UC site, affecting external connectivity for all experiments as well as the Jupyter portal.
| Outage start | Sunday, December 15, 2019 8 a.m. |
| Expected end | Sunday, December 15, 2019 12:40 p.m. |
Update: This is a delayed message, the network maintenance has been completed as of 12:40 CST today. Access to all TACC systems will be unavailable on Sunday, 15 December, 2019 from 8:00 AM CDT until 4:00 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.
| Outage start | Thursday, October 03, 2019 12:30 p.m. |
| Expected end | Thursday, October 03, 2019 1:40 p.m. |
SSO from Chameleon Portal to CHI@TACC and CHI@UC was unavailable for some users on 10/3/ 2019 from 12:30pm to 1:40pm.
| Outage start | Monday, October 07, 2019 8 a.m. |
| Expected end | Monday, October 07, 2019 1 p.m. |
There is a planned outage on October 7th for maintenance on CHI@TACC from 8am to 1pm CST.
| Outage start | Monday, September 16, 2019 7:25 p.m. |
| Expected end | Tuesday, September 17, 2019 8:30 a.m. |
Networking for CHI@TACC started experiencing issues on Monday, September 16, at approximately 7:25pm Central Time. The problem has been resolved as of 8:30am Central Time. We apologize for any disruptions.
| Outage start | Sunday, September 15, 2019 10 a.m. |
| Expected end | Monday, September 16, 2019 1 p.m. |
We experienced an outage over the weekend of our disk image service and reservation service at CHI@UC. This would have affected any new leases and launching new instances, but existing network connectivity to running experiments would have continued as normal. We have as of 12:00PM CT restored the services to their original working order.
| Outage start | Thursday, September 12, 2019 3:30 p.m. |
| Expected end | Thursday, September 12, 2019 4:23 p.m. |
Networking for CHI@TACC was temporarily out of service. Service has been restored.
| Outage start | Saturday, September 07, 2019 8:24 a.m. |
| Expected end | Monday, September 09, 2019 9:58 a.m. |
The Chameleon portal (chameleoncloud.org) and CHI@TACC (chi.tacc.chameleoncloud.org) were inaccessible. Running experiments and networking were not affected and CLI usage was still possible. All systems at TACC are online, CHI@UC is still down for maintenance.