The scheduled maintenance affecting B300 GPU workloads in the uk-south1-a IB fabric has been completed successfully.
Thank you for your patience and understanding.
If you have any questions or need assistance, please open a support request. Our Support team is available 24/7 to assist with any questions or workload planning.
Posted Jul 30, 2026 - 08:22 UTC
In progress
Scheduled maintenance is currently in progress. We will provide updates as necessary.
Posted Jul 27, 2026 - 08:00 UTC
Update
This is a reminder about the scheduled maintenance in uk-south1 affecting B300 GPU workloads in IB fabric uk-south1-a.
Start: Monday, July 27 at 08:00 UTC Duration: up to 72 hours Region: uk-south1 IB fabric: uk-south1-a
When maintenance starts, instances consuming B300 GPUs in the affected fabric will be stopped. CPU-only workloads are not affected and should continue running normally. Starting GPU VMs in the region will not be possible until the maintenance is complete.
No action is required from your side, but we recommend checkpointing GPU jobs before the start time to avoid losing progress.
You can follow updates on this page.
Posted Jul 24, 2026 - 14:25 UTC
Update
This is another follow-up to our earlier notice of planned maintenance in uk-south1 affecting GPU workloads. The maintenance has been rescheduled to a new date.
Start: Monday, July 27 at 08:00 UTC Duration: up to 72 hours Region: uk-south1 IB fabric: uk-south1-a
We apologize for any inconvenience this change may cause and appreciate your understanding and patience.
We will notify you as soon as the maintenance is complete and your GPU workloads are ready to resume. Thank you for your patience, and please reach out if you have any questions.
Posted Jun 18, 2026 - 20:41 UTC
Update
This is a follow-up to our earlier notice of planned maintenance in uk-south1 affecting GPU workloads. The maintenance has been rescheduled to a new date.
Start: Monday, June 22 at 08:00 UTC Duration: up to 72 hours Region: uk-south1 IB fabric: uk-south1-a
We apologize for any inconvenience this change may cause and appreciate your understanding and patience.
We will notify you as soon as the maintenance is complete and your GPU workloads are ready to resume. Thank you for your patience, and please reach out if you have any questions.
Posted Jun 09, 2026 - 18:11 UTC
Scheduled
Nebius will be performing scheduled firmware upgrade during the above window.
Region: uk-south1 IB fabric: uk-south1-a
- B300-based workloads: will be automatically stopped by Nebius as part of this maintenance. No action is required from your side. - All other workloads: no interruption is expected. If you encounter any issues during this period, please open a support request.
This maintenance is aiming to upgrade the GPU & InfiniBand firmware and roll out a new DOCA version across all nodes, improving GPU node stability and the quality of the InfiniBand interconnect.
There is no action required from your side, however we recommend checkpointing or pausing your GPU jobs before the start time to avoid any progress loss.
We understand the importance of predictability and apologize for any inconvenience this may cause. Our Support team is available 24/7 to assist with any questions or workload planning.
If you have any questions or need assistance, please open a support request. We will continue to provide updates on the maintenance status through this page.
Posted Jun 05, 2026 - 09:55 UTC
This scheduled maintenance affected: UK-SOUTH1 (Compute Cloud, Managed Service for Kubernetes®, Token Factory, Managed Service for MLflow, Managed Service for PostgreSQL®, Standalone Applications).