Maintenance will be performed as follows:
1. Date
12:15 - approx. 13:15, 2026-09-30 (Wed)
2. Impact
Users will not be able to log in to the TSUBAME4 portal and Open OnDemand.
For users who are already connected, the session may be disconnected.
Login node usage, job submission from login nodes, and running jobs are not affected.
3. Purpose of the work
Renewal of SSL certificates for TSUBAME portal and Open OnDemand
Bug fixes for TSUBAME portal