NFS hangs 2023-01-30 16:00-18:00

ESS NFS clients experienced NFS hangs on 2023-01-30 between 16:00 and 18:00. Clients were forced to remount NFS. 

For some non-ess-migrated projects NFS hangs persisted until 2023-01-31 09:30. 

We apologize for the inconvenience.

Update 2023-01-31 1200: Several hosts are still experiencing hangs. These hosts will be rebooted asap.