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Reboot on login-hive1 on Tuesday, December 21, at 10:00 AM

This entry was posted by on Wednesday, 15 December, 2021 at

Summary: Reboot on login-hive1 on Tuesday, December 21, at 10:00 AM

What’s happening and what are we doing: As part of our preparations for the RHEL7.9 testflight environment that will be available in January, PACE will reboot the login-hive1 headnode on Tuesday, December 21, at 10:00 AM. Hive has two headnodes, and the login-hive2 headnode will not be impacted. The load balancer that automatically routes new user login-hive connections to either login-hive1 or login-hive2 has been adjusted to send all new connections to login-hive2 beginning the afternoon of December 15.

How does this impact me: If you are connected to login-hive1 at the time of the reboot, you will lose your connection to Hive, and any processes running on login-hive1 will be terminated. Running interactive jobs submitted from login-hive1 will also be disrupted. Batch jobs will not be affected. Users connected to login-hive2 will not be impacted. Users who connected to Hive prior to Wednesday afternoon may be on login-hive1 and should complete their current work or log out and back in to Hive before Tuesday. Users who ssh to login-hive.pace.gatech.edu beginning this afternoon will all be assigned to login-hive2 and will not be impacted. If you specifically ssh to login-hive1.pace.gatech.edu, then you will still reach the node that is scheduled to be rebooted and should complete your session before next Tuesday.

What we will continue to do: PACE will monitor the Hive headnodes and ensure that login-hive1 is fully functional after reboot before re-initiating the load balancer that distributes user logins between the two headnodes.
Please accept our sincere apology for any inconvenience that this temporary limitation may cause you. If you have any questions or concerns, please direct them to pace-support@oit.gatech.edu.

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