Data Science Infrastructure (HSS) and Supercomputer HOKUSAI BigWaterfall2 (HBW2) and Data Science Infrastructure(HSS) will be stopped in the schedule below due to the planned power outage in Wako campus. At that time, regular maintenance will also be performed.

Downtime(HSS and HBW2):
From 5:00 p.m. on October 11 to 1:00 p.m. on October 16

For HSS, please stop VMs (instances) before the service is stopped. Any VMs that are running when the service is stopped will be forcibly terminated. In addition, snapshots cannot be taken starting from 11:00 a.m. on Thursday, October 10.

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.

For HBW2, 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.

[9/3 Post the announcement]

[9/25 Publication of material]

HOKUSAI SailingShip (HSS) will hold a training session on Support for PIaaS Usage in SS.

Date: Wednesday, September 25, 1:00 p.m. to 2:30 p.m.
Location: Web conference using Zoom
Connection instructions will be announced via email to HSS users and #announce-it-services on slack.

How to participate: No registration is required.
Language: Japanese (Materials are in Japanese and English)

Contents:
– Explanation of Support for PIaaS Usage in SS
– Demonstration of Support for PIaaS Usage in SS
– Questions and answers

Materials: User’s Guide for PIaaS Usage Support Version 202409beta.
English documentation will be released at a later date.

Contact

R&D Infrastructure and Technical Coordination Section, Information Systems Division, RIKEN Information R&D and Strategy Headquarters

Failure in Shared Storage in HSS [Recovered]

As of May 20, HOKUSAI SailingShip (HSS) system is experiencing an issue has occurred that the shared storage (/home) cannot be accessed.

This event was caused by failures in the disks that makes up the shared storage.
We are currently working on recovering the disks, and it is expected that it will take until May 22nd to complete the disks recovery.
Due to a new disk failure that occurred during the recovery process, the recovery schedule is expected to take until the evening of May 23.
The access failure to the shared storage (/home)that occurred in the HOKUSAI SailingShip (HSS) system was resolved at 4:41 pm on Thursday, May 23rd.

We believe that data stored on the shared storage will not be affected except for files that were new or being updated at the time of the failure, but we will contact you individually if there is a problem.
The administrator checked the file system and found that no user data was lost.
Please let me know if you have any questions.

We apologize for any inconveniences you may have suffered.

Contact
E-mail: