The SQUID supercomputer and the ONION data platform will be discontinued according to the schedule below.
| System | Service End Date |
|---|---|
| SQUID, ONION-file | June 30, 2027 |
| ONION-object | March 31, 2027 |
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 SQUID and ONION-file services.
For information regarding the termination of ONION-object, please refer to the following page.
Service Termination of ONION-object (until March 2027)
SQUID / ONION-file Service Schedule
SQUID and ONION-file services will continue to operate as usual throughout FY2026.
Users who used SQUID in FY2026 will be able to access /sqfs/home, /sqfs/work, and /sqfs/ssd until June 30, 2027.
Note: General Program and Industrial Program users who wish to continue using the computing service in FY2027 must submit a separate application. Information on the application process is scheduled to be announced around February 2027.
| Usage in FY2026 | Continuation Application | Usage in FY2027 |
|---|---|---|
|
General Use Industrial Use |
Applied for continued SQUID use in FY2027 |
Computing services will be available until June 30, 2027. Data stored in /sqfs/home, /sqfs/work, and /sqfs/ssd can be accessed with read and write permissions. |
| Did not apply for continued SQUID use in FY2027 | Computing services will not be available. However, data stored in /sqfs/home, /sqfs/work, and /sqfs/ssd can be accessed in read-only mode until June 30, 2027. | |
|
HPCI Use JHPCN Use Research Proposal-based Use |
Continuation is not available. Please contact us if you wish to continue using computing services in FY2027. | Computing services will not be available. However, data stored in /sqfs/home, /sqfs/work, and /sqfs/ssd can be accessed in read-only mode until June 30, 2027. |
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 SQUID
Files can be transferred from SQUID to your local computer using SFTP, SCP, WinSCP, or similar tools.
For details, please refer to the following page.
File Transfer (Local Computer ⇔ SQUID)
Copying Data from SQUID to OCTOPUS
Although the D3 Center will not migrate data from SQUID to OCTOPUS, users who have access to both SQUID and OCTOPUS may copy their data themselves.
For details, please refer to the following page.
File Transfer (OCTOPUS ⇔ SQUID)
Note: Please ensure that sufficient storage space is available on OCTOPUS before copying data.
FAQ
Q: How long will SQUID and ONION-file remain available?
A: SQUID and ONION-file will be available until June 30, 2027. However, only users who apply for continued SQUID use in FY2027 will be able to use the SQUID computing service during FY2027. Even if you do not apply for continued use, you will still be able to access your data in read-only mode until June 30, 2027.
Note: Applications for continued use in FY2027 are scheduled to open around late February 2027.
Q: Can I retrieve my data even if I do not apply for SQUID use in FY2027?
A: Yes. Even if you do not apply for continued SQUID use in FY2027, you will be able to access your data in read-only mode until June 30, 2027.
Please retrieve all necessary data by that date.
Q: Will SQUID data be migrated to OCTOPUS or a future 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.
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 data by June 30, 2027 for SQUID and ONION-file, and by March 31, 2027 for ONION-object.
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.
In the meantime, OCTOPUS is expected to continue operation beyond FY2027.
Posted : September 16,2026
