2026-07-31
TSUBAME4.0 computing services will be suspended as follows due to intensive maintenance work that cannot be performed during normal TSUBAME4.0 operations.
N.B.
Suspension period
2026-08-31 (Mon) 09:00 to 2026-09-04 (Fri) evening
Please note that the service resumption date and time may change depending on the progress of maintenance work.
- Suspended Services
- Batch Queues
- Stops all compute nodes
- TSUBAME Portal
- Login nodes (login1, login2)
- Storage services (/home, /work, /gs/bs, /gs/fs)
- License servers
- Campus-distributed software that refers to the TSUBAME license server will not be available.
- We plan to keep the server running as much as possible during this period, but it will be stopped intermittently if necessary.
- Batch Queues
- Changes
- The storage location of the home directory will be changed from SSD storage to HDD storage.
- The domain of OpenOnDemand will be changed. Along with this change, the behavior of passkey authentication will also be affected. Details will be announced separately.
Others
TSUBAME4 is installed at Yokohama campus, so it will not be shut down due to power outages caused by regular statutory inspections at Ookayama campus.
Resumption of the reservation queue is scheduled starting from the 2026-09-07 09:00 slot.