The NIG Supercomputer
On Tuesday, 29 July 2025, at 10:48 (24-hour format), an issue occurred preventing SSH connections to the General Analysis Division Gateway Node (gw.ddbj.nig.ac.jp).
Due to maintenance work on SINET6 device, the network will be temporarily out of service during the following date and times.
At 02:54 on Thursday, May 22, 2025 (24-hour format; all times below are in 24-hour format), the Slurm management server for the general analysis division encountered a service outage.
The cause of the issue was insufficient memory on the compute node hosting the Slurm management server.
Recovery procedures were completed at 10:34 on the same day, and job submission has since resumed.
A brief power outage occurred in Mishima City around 13:55, lasting approximately one minute.
The supercomputer itself did not experience a power outage due to the UPS, but network connectivity was lost for about 5 minutes.
Other impacts are currently under investigation.
The scheduled maintenance of the NIG supercomputer is scheduled on the following date and time in accordance with the legal power outage of the NIG. The supercomputer will not be available during the scheduled maintenance.
As previously announced on the NIG Supercomputer website, the next-generation NIG supercomputer will begin operations on March 1, 2025.