(Ended) The NIG Supercomputer Service Suspension (6th - 10th November)
The services of the NIG Supercomputer were resumed promptly on 7th November 2025 at 17:30.
We would like to inform you that, due to ongoing restoration work related to a lightning strike on Friday, 5th September 2025, which affected the power supply equipment at the National Institute of Genetics, there will be a scheduled power outage on Thursday, 6th November 2025.
As a result of this outage, the supercomputer will be temporarily unavailable from 8:30 AM on 6th November 2025 to 9:00 AM on 10th November 2025.
Please note the following schedule and important details regarding the maintenance.
Maintenance Schedule
- 6th November 2025, 8:30: The NIG Supercomputer shutdown
- 6th November 2025, 14:00 – around 19:00: Emergency power supply repair work
- 6th November 2025, 20:00 – 9th November 2025: The NIG Supercomputer restart work
Scope of Impact
- External networks, etc.
- The connection to the external network was interrupted during the above period.
- NIG Supercomputer – General Analysis Section
- The services will be suspended and unavailable during the above period.
- NIG Supercomputer – Personal Genome Analysis Section
- The services will be suspended and unavailable during the above period.
- Additionally, during the above period, as external networks will also be interrupted, users will be unable to receive tokens when logging into the SSL-VPN.
- DDBJ services
- The services will be suspended and unavailable during the above period.
Important Notes
- Any jobs currently running or awaiting execution will be deleted. Please re-submit your jobs after the supercomputer is restarted.
- We previously announced that the service would be suspended starting 25th October 2025, but this has now been revised to begin on 6th November 2025.
- The restart is expected to be completed by 8th November 2025. However, 9th November 2025 is scheduled as a backup day.
We appreciate your cooperation and understanding.

