(Closed) Emergency Maintenance of SQUID and OCTOPUS (from April 30 to May 1)

Update at 1:00 p.m. on May 1
The scheduled maintenance has been completed. The systems are now available for normal use.
We apologize for any inconvenience caused.

----
A serious vulnerability has been confirmed in SQUID and OCTOPUS. Accordingly, emergency maintenance will be conducted on SQUID and OCTOPUS.

Please refer to the information below for details and the maintenance schedule.

 

Updates on the response status and completion of the work will be posted on this page as they become available.
We apologize for the short notice and any inconvenience this may cause. Thank you for your understanding and cooperation.

April 30, 2026
(To be carried out sequentially as soon as preparations are complete)
Update at 6:00 p.m. on April 30: Maintenance on the frontend nodes has been completed.
Maintenance will be performed on the frontend nodes of SQUID and OCTOPUS.
[Impact]
- Users who are logged in when maintenance begins will be forcibly logged out. If you are currently logged in, please save any necessary work and log out promptly.
- Any processes running on the frontend nodes when maintenance begins will be forcibly terminated.
May 1, 2026
8:00 a.m. – 12:00 p.m.
Update at 1:00 p.m. on May 1: Maintenance on the SQUID compute nodes has been completed.
Update at 10:20 a.m. on May 1: Maintenance on the OCTOPUS compute nodes has been completed.

Maintenance will be performed on the compute nodes of SQUID and OCTOPUS.
[Impact]
Jobs running when maintenance begins will be rerun.

 

As a provisional measure against the vulnerability, some encryption-related functions have been restricted as part of this emergency response. As a result, applications or other software that use certain encryption processes may be affected.

We have confirmed that basic operations related to normal use, such as SSH login, file transfer, and job submission, are not affected. However, if you experience any problems, please contact us through the inquiry page below.

Contact Form

Once an official patch is released, we will conduct additional maintenance. Thank you for your understanding.




Posted : April 30,2026