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Last active August 4, 2019 17:17
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AWS RIs Types
Standard Amazon Reserved Instances
> Switching between Regional and an Availability Zone scope (more on that below).
> Switch between Availability Zones to a specific zone within the same region (for AZ scoped RIs only).
> Switching between Classic EC2 Reserved Instances and Virtual Private Cloud.
> Altering the instance size within the same family (For example, splitting an m4.xlarge Reservation into 2 m4.large Reservations, or the reverse: merging 2 m4.large Reservations into 1 m4.xlarge reservation.)
Convertible RIs
> Exchange for a new Instance type (across families)
> Exchange for a new operating system
> Exchange for a different tenancy
> Exchange for a different Instance size
Ref: https://www.cloudhealthtech.com/blog/3-frequently-asked-questions-about-aws-reserved-instances
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