Amazon EC2 Auto Scaling now supports root volume replacement through instance refresh
News
This article announces the new ReplaceRootVolume strategy for Amazon EC2 Auto Scaling instance refresh, enabling root volume updates without instance downtime.
- Replace root volumes on running instances without stopping or terminating them
- Preserves instance resources including network interfaces and elastic IPs
- Simplifies OS-level updates and security patching
- Ideal for specialized instances like Mac and GPU instances
- Maintains data and metadata for stateful applications
- Available in US East, US West, Europe Ireland, and Asia Pacific Singapore
- No additional cost beyond standard EC2 and EBS usage
ReplaceRootVolume streamlines instance lifecycle management and software updates for Auto Scaling groups with minimal operational complexity.
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