All posts by editor_7

Shared Use Computers HOKUSAI
(May 1)Notice of Emergency Maintenance for HBW2[Completed]

(May 1)Notice of Emergency Maintenance for HBW2[Completed]

We will perform emergency maintenance on the HBW2 front-end servers and compute
nodes today, May 1, from 12:00 to 15:00 JST.
The Emergency maintenance has been completed, and operations resumed on Friday, May 1 at 13:45 (JST).
Please note that the system will be unavailable during the maintenance period.

All login sessions active at the start of the maintenance will be disconnected.
Additionally, any jobs running at the start of maintenance will be forcibly terminated as part of the maintenance process.
Jobs that have been configured for re-execution (with the –requeue option) will be restarted after maintenance.
For all other jobs, please resubmit them after operations resume.

We apologize for the inconvenience and appreciate your understanding and cooperation.

HBW2 contact

Shared Use Computers HOKUSAI
[October 2025] Maintenance due to the Wako campus planned power outage for HOKUSAI

Maintenance due to the October 2025 Wako campus planned power outage for HOKUSAI will be as follows.

Service Suspension Period Notices Contact
Supercomputer HOKUSAI BigWaterfall2(HBW2) From 5:00 p.m. on October 10 to 1:00 p.m. on October 15 Note that job execution control will be performed before the downtime: Jobs that are expected not to end until the start time of the downtime will be not started.
After resuming operation, the unstarted jobs will be started.		 HBW2 Contact
Data Science Infrastructure HOKUSAI SailingShip(HSS) From 5:00 p.m. on October 10 to 1:00 p.m. on October 15 Various services running on HSS (including R2DMS and RARS) will also be stopped.
For HSS, please stop VMs (instances) before the service is stopped. VMs running at the time of service suspension will be terminated. Snapshot taking will be disabled from 11:00 a.m. on Thursday, October 9.
VMs will not start automatically after the service is restarted, so please start it by yourself. Also, if shared storage or other operations are not working properly, please try rebooting the system once.		 HSS Contact
R2DMS NextCloud From 3:00 p.m. on October 10 to 3:00 p.m. on October 15 Service portal
slack #riken_r2dms_manager_information
R2DMS GakuNinRDM From 0:00 p.m. on October 9 to 6:00 p.m. on October 15 Service portal
slack #riken_r2dms_manager_information
RARS From 3:00 p.m. on October 10 to 3:00 p.m. on October 15 Research Achievement Registration System(RARS) will be suspended on the dates listed below due to the service suspension of HOKUSAI SS. rars[at]ml.riken.jp
slack #riken_rars_community
Long-term Data Storage System HOKUSAI CalmLake(HCL) From 35:00 p.m. on October 10 to 5:00 p.m. on October 15 Only HCL in the Wako campus will be suspended. HCL in the Kobe campus will not be suspended. The Gateway servers in the Wako campus will be stopped, while the Yokohama and Kobe Gateway servers will continue to operate. Service portal
slack
#riken-hcl-information
Shared Use Computers HOKUSAI
HSS and HBW2 service interruption due to power outage in Wako [Restored]

Notice of HSS and HBW2 service interruption due to power outage in Wako Campus [Restored]

Data Science Infrastructure HOKUSAI SailingShip (HSS)

The HSS service was suspended due to a power outage in the Wako Campus at around 5:00 p.m. on August 18,
and service resumed at 3:20 a.m. on August 19.

VMs will not start automatically after the service is restarted, so please start it by yourself.
Also, if shared storage or other operations are not working properly, please try rebooting the system once.

We apologize for any inconvenience this may cause.
If you have any questions, please let us know to the HSS contact.
HSS contact.

Supercomputer HOKUSAI BigWaterfall2 (HBW2)

The HBW2 services were suspended due to a power outage in the Wako Campus at around 5:00 p.m. on August 18,
and services resumed at 10:35 p.m. on August 18.

We apologize for any inconvenience this may cause.
If you have any questions, please let us know to the HBW2 contact.
HBW2 contact