2024-05-17 09:00 - Progress was made overnight with the Delta high-speed network.  Work remains in integrating storage resources into the Delta high-speed network. It is anticipated the system will be returned to service sometime in the afternoon.

2024-05-16 18:00 - An unexpected issue was encountered during the reconfiguration of Delta's high speed network. NCSA staff are working with the vendors to resolve this issue. This will delay Delta's Return to Service.   An update will be provided tomorrow (Friday) morning.   Other maintenance items have been completed.

Delta Resource Users:

A maintenance outage for the Delta system is planned for Thursday, May 16th from 6:30AM to 6:30PM. 

This will be a full outage with login nodes, home and scratch file systems, Open OnDemand and Globus endpoints being unavailable during the maintenance outage. 
Please note that data on the home and scratch file systems will not be accessible during the maintenance outage. 

During this maintenance the following actions will take place:
1. The home and scratch file system server software will be updated.
2. Software on the high speed network management nodes and switch firmware will be updated.
3. Reconfiguration of the high speed network for eventual deployment of DeltaAI  and associated file systems. 
4. OS update with minor changes: apptainer 1.3.0 -> 1.3.1, and some other packages. 
5. Slurm update with cleanup of Slurm job database. 

No rebuilding of software is anticipated. 

There will be no access to data on the home and scratch file systems on Delta during this maintenance outage. 

Access to data on the /projects file system will be available via the NCSA Taiga Collection Endpoint (https://app.globus.org/file-manager?origin_id=127afd1b-4c9b-4e24-ac8d-0139c6d6b4ef&origin_path=%2Ftaiga%2Fnsf%2Fdelta%2F)  via the path: /taiga/nsf/delta/ and then your 4 letter project code. 

Please send comments or questions to help@ncsa.illinois.edu and be sure to mention Delta somewhere in the Subject line.

-The Delta Project