| Outage start | Sunday, November 05, 2023 12 p.m. |
| Expected end | Friday, November 10, 2023 2:07 p.m. |
Chameleon's JupyterHub will be taken down Sunday, November 5 at 12:00 PM CT to perform an urgent infrastructure migration.
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UPDATE: The upgrade is now complete. If you encounter any issues with Jupyter or Trovi, please let us know via the help desk . You may experience an unresponsive host while DNS updates propagate.
| Outage start | Thursday, October 26, 2023 10 p.m. |
| Expected end | Monday, October 30, 2023 3:44 p.m. |
Resolved The switch has been restored, and running instances have been reconnected.
The network switch connecting the nodes equiped with NVIDIA M40, K80, P100, and V100 GPUs has failed. A replacement switch is expected to be installed on Oct 30, 2023.
Existing leases for the affected nodes will be extended to prevent instances from being shut down.
| Outage start | Monday, October 23, 2023 8 a.m. |
| Expected end | Monday, October 23, 2023 8:44 a.m. |
This maintenance is now completed.
On the morning of Monday, October 23rd, there will be a brief outage affecting login to all Chameleon sites and services.
We expect a 5-10 minute outage while we apply updates to the service that handles federated login.
This won't affect any running workloads or nodes, but you may need to refresh your browser once the outage ends.
| Outage start | Wednesday, September 20, 2023 8 a.m. |
| Expected end | Monday, October 09, 2023 8:32 a.m. |
Resolved: the work is complete.
Starting at 9/20/2023 the Haswell+InfiniBand nodes have been unavailable while they are reconfigured in order to decommission a portion of them. This work is taking longer than anticipated to complete, but is expected to conclude by 10/06/2023.
We thank you for your patience.
| Outage start | Sunday, September 17, 2023 6 p.m. |
| Expected end | Monday, September 18, 2023 8 p.m. |
Due to a water leak in the StarLight datacenter, power has been cut to the CHI@NU racks.
We're monitoring the situation, and will update when we have more information on an estimated time to resolution.
| Outage start | Wednesday, September 13, 2023 8:31 a.m. |
| Expected end | Wednesday, September 13, 2023 6 p.m. |
CHI@NU is currently inaccessable due to a certificate issue. Site staff are investigating.
| Outage start | Friday, July 14, 2023 6:13 p.m. |
| Expected end | Wednesday, August 16, 2023 6:13 p.m. |
CHI@IIT is currently offline.
We suspect a hardware failure in the controller node, and have escalated to site staff.
| Outage start | Tuesday, August 15, 2023 9:35 a.m. |
| Expected end | Tuesday, August 15, 2023 11:43 a.m. |
Resolved: The Object Store is once again available.
The Object Store for CHI@TACC is currently unavailable. Staff is working to restore access.
| Outage start | Sunday, August 20, 2023 8 a.m. |
| Expected end | Sunday, August 20, 2023 11:45 a.m. |
Resolved: TACC network maintnance is concluded as of 11:45 AM (CDT)
TACC network infrastructure will not be available from 8 AM to 2:00 PM (CDT) on Sunday, 20 August 2023. Network maintenance will be performed during this time.
CHI@TACC, KVM@TACC, and the Chameleon Portal will be affected. Baremetal instances and VMs will continue to run, but will be unreachable.
| Outage start | Friday, July 28, 2023 12 p.m. |
| Expected end | Monday, July 31, 2023 4:54 p.m. |
CHI@UC is back online, and we're observing normal usage patterns so far.
Please reach out if you're encountering issues.