The SQUID supercomputer and the ONION data platform will be discontinued according to the schedule below.
 

Previously, the service end date for ONION-object was scheduled for June 30, 2027. However, this has been revised, and the service end date for ONION-object has been moved forward to March 31, 2027. We apologize for any inconvenience this may cause and appreciate your understanding.

The D3 Center will not migrate any data stored on SQUID or ONION to OCTOPUS or any other system.
Users are responsible for retrieving any necessary data before the applicable service end date.
The service end dates will not be extended.
 

This page provides detailed information regarding the termination of the ONION-object service.
For information regarding the termination of SQUID, please refer to the following page.

Service Termination of the SQUID Supercomputer (until June 2027)
 

ONION-object Service Schedule

ONION-object will continue to operate as usual throughout FY2026. As the service will be terminated on March 31, 2027, please retrieve any necessary data before that date.
 

Since ONION-object will be terminated at the end of FY2026 (March 31, 2027), the service will not be available in FY2027.
 

Data Retrieval

The D3 Center will not migrate data to any other system.
Users are responsible for retrieving all necessary data before the applicable data retrieval deadline.
 

Downloading Data from ONION-object

Please refer to the guide below and download your ONION-object data by March 31, 2027.
 

Objects stored in ONION-object can be downloaded through the web management interface.

Getting Started with ONION-object
 

Note: If many users download data simultaneously, downloading may take longer than usual. Please allow sufficient time and retrieve your data well before the service end date.
 

FAQ

Q: Until when can I use ONION-object?

A: ONION-object will continue normal operation throughout FY2026. However, the service will be terminated on March 31, 2027. Please make sure to retrieve any necessary data before that date.
 

Q: Can I retrieve data from ONION-object after FY2026?

A: No. ONION-object will be terminated at the end of FY2026 (March 31, 2027).
Please retrieve all necessary data by that date.
 

Q: Can the data retrieval deadline be extended?

A: No. Data will no longer be accessible after the service ends.
Please complete retrieval of all necessary ONION-object data by March 31, 2027.
 

Q: Is a next-generation system planned?

A: The system configuration and service commencement date of the next-generation system have not yet been determined. Further information will be announced on this website as soon as details become available.
 

Q: Will ONION-object data be migrated to the next-generation system?

A: No. The D3 Center will not perform any data migration.
Users are responsible for retrieving all necessary data before the applicable data retrieval deadline.