⚠️Google Cloud Outage Hits Europe Due to Cooling Failure
Your cloud's resilience just got a reality check
TL;DR
A cooling failure in Google's europe-west4-a zone caused an 15-hour outage impacting VMware Engine, NetApp Volumes, and Bare Metal Solutions. This highlights the need for transparency on single-datacenter dependencies within zones.
Google Cloud experienced a significant outage due to a cooling failure in its europe-west4-a zone, affecting VMware Engine, NetApp Volumes, and Bare Metal Solutions for over 15 hours. The incident underscores the importance of understanding hidden dependencies in cloud services, as some managed services may rely on hardware or infrastructure tied to a single datacenter within a zone. This means that even if you're using multiple zones and regions for resilience, critical services could still be at risk during localized failures. Google's Spanner tool, designed for cross-zone replication, didn't function properly once one building became unavailable, highlighting the need for more robust failover mechanisms.

Key Points
Outage hit Google's europe-west4-a zone for 15 hours due to cooling failure
VMware Engine, NetApp Volumes, and Bare Metal Solutions were impacted by the outage
Electrical fault on utility grid upstream of data center caused power disruption
Google proactively turned down workloads to protect customer data from high temps
Spanner's cross-zone replication didn't work once one building became unavailable
Why It Matters
If you're running mission-critical services in Google Cloud, this outage highlights the need for redundancy beyond just multiple zones. VMware Engine and NetApp Volumes users should review their disaster recovery plans to ensure they have backups outside of single-datacenter dependencies.
Frequently Asked Questions
Why does this matter?
If you're running mission-critical services in Google Cloud, this outage highlights the need for redundancy beyond just multiple zones. VMware Engine and NetApp Volumes users should review their disaster recovery plans to ensure they have backups outside of single-datacenter dependencies.
What happened?
A cooling failure in Google's europe-west4-a zone caused an 15-hour outage impacting VMware Engine, NetApp Volumes, and Bare Metal Solutions. This highlights the need for transparency on single-datacenter dependencies within zones.
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