[Updated: May 19, 2025]
The access issue to the /sqfs/s3 area on the frontend servers was resolved around 22:40 on Friday, May 16, 2025, and the service has been restored.
We sincerely apologize for the inconvenience caused to our users. A detailed investigation into the cause is currently underway, and we are working to prevent a recurrence.

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Since around 18:15 on May 16, 2025, a service disruption has occurred on SQUID, resulting in the suspension of the S3 Data Service. Due to this issue, file upload/download operations via the S3 API are currently unavailable. Additionally, access to directories under /sqfs/s3 is also not possible.
 
We are currently working to identify the scope of the issue and are actively engaged in recovery efforts.
We will provide an update as soon as the service has been restored.
 
For more information about the S3 Data Service, please refer to the manual
here.
 
Please note that other services, including compute services and file access outside the affected areas, are operating normally.
ONION-object is also available without issues. We sincerely apologize for the inconvenience this may cause and appreciate your understanding and cooperation.