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.

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Failure in Some MPC Nodes in HBW2 [Recovered]

We are currently experiencing some failures in the HOKUSAI BigWaterfall2 (HBW2) system.
HOKUSAI BigWaterfall2 (HBW2) system has recovered at 10:45 a.m. on May 2 from a partial failure.

There was a hardware failure on April 30 around 23:04 and 52 nodes (bwmpc261 – bwmpc312), part of MPC, are down.
Due to this, some jobs have been terminated.
In addition, the number of MPC nodes has been reduced, which may affect job starts.

We apologize for any inconveniences you may have suffered.

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HOKUSAI Maintenance Information at the end of FY2023

The Data Science Infrastructure HOKUSAI SailingShip (HSS)

HSS will continue to operate at the end of the fiscal year, but only the online submission system (hss-desk) will be stopped during the following period for the end-of-fiscal-year update.
HSS VMs, shared storage, OpenStack management console, etc. will not be stopped.

Service suspension period(hss-desk): March 29, 3:00 p.m. to April 2, 3:00 p.m.

After the service resumes, we will start accepting applications for new project use and point purchases for FY2024.
HSS TOP

The Supercomputer HOKUSAI BigWaterfall2 (HBW2)

HBW2 will undergo maintenance at the end of the fiscal year according to the following schedule.

Service suspension period: March 28, 9:00 a.m. to April 2, 3:00 p.m.
*All jobs that have been submitted as of 9:00 a.m. on March 28 will be deleted.

After the service resumes, we will begin accepting new project applications and other applications for FY2024.
HBW2 TOP

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