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Storage and Compute - Australia East - Applying Mitigation
Impact Statement: Starting at approximately 08:30 UTC on 30 August 2023, a utility power surge in the Australia East region tripped a subset of the cooling units offline in one of the Availability Zones. While working to restore the cooling units, temperatures in the datacenter increased so we have proactively powered down a small subset of selected compute and storage scale units to avoid damage to hardware and reduce cooling system load. All impacted storage and compute scale units are in the same datacenter, within one of the region’s three Availability Zones (AZs). Multiple downstream services have been identified as impacted.
Current Status: We do not have an exact ETA at this time, but temperatures in the impacted datacenter have been stabilized. The Azure service recovery process has commenced and is expected to progress over a number of hours. Due to the nature of this issue our storage scale units are expected to require additional recovery efforts to ensure all resources return in a consistent state. Note that any new allocations for resources will automatically avoid the impacted scale units. If your workloads are protected by Azure Site Recovery or Azure Backup, we recommend to either initiate a failover to the recovery region or recover using Cross Region Restore.
All impacted hardware previously powered off as a preventative measure has now been powered back on. We continue our mitigation efforts to bring all affected services back online, and as this continues, some customers may start experiencing signs of recovery. Further updates will be provided in 60 minutes, or as events warrant.
This message was last updated at 15:55 UTC on 30 August 2023