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It's not currently possible to convert an Amazon EC2 on-demand instance to a spot instance.
1
You can save your instance as an AMI and then use the AMI as the source for an instance launched as spot instance.
answered 2 years ago
0
Hi,
The following tool will automate the process of converting an EC2 on-demand instance to Spot billing model:
https://github.com/jcjorel/ec2-spot-converter
Best.
“This tool converts existing AWS EC2 instances back and forth between On-Demand and 'persistent' Spot billing models while preserving instance attributes (Launch configuration, Tags..), network attributes (existing Private IP addresses, Elastic IP), storage (Volumes), Elastic Inference accelerators, Elastic GPUs.
Others features:
- Can also perform Spot-to-Spot and OnDemand-to-OnDemand conversions:
- Allow replacement of existing Spot instances with new "identical" ones to update the instance type and CPU options,
- Help to fix some Spot instance conditions (Ex: 'IncorrectSpotRequestState Exception'),
- Allow Root Disk encryption during conversion. Can preserve ELB Target Group instance registrations (disabled by default),
- Can update existing CloudWatch alarms referring the converted Instance Id (disabled by default)”
answered 2 years ago
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