AWS EC2 - Why Reserved Instances are not applied on Running On-Demand instances

0 votes

I need your help with one of the EC2 configuration changes I made recently.

I have 14 EC2 On-Demand running instances and sometime back I came to know that, I can actually reduce the cost to half by purchasing reserved instances.

To begin with, I purchased 1 Reserved instance that matches the On-Demand instance type and the billing discount applied immediately (I can confirm this based on this video: https://www.youtube.com/watch?v=rvdnJrLlWJs).

Then I went ahead and purchased 4 more Reserved Instances as shown below:

enter image description here

enter image description here

After purchase I was expecting to see the billing discount applied but instead I saw RIs under No Region (show below). The configuration that I chose were exactly the same as I had for the single instance, the only difference here is the quantity of instances are 4.

enter image description here

I can confirm that all of my 14 EC2 Running On-Demand instances are of the t2.medium family.

Kindly help and suggest. Thanks

Does not support vpc yet, please be careful when trusting these results
Does not support vpc yet, please be careful when trusting these results
Does not support vpc yet, please be careful when trusting these results
Does not support vpc yet, please be careful when trusting these results
Does not support vpc yet, please be careful when trusting these results
Does not support vpc yet, please be careful when trusting these results
Does not support vpc yet, please be careful when trusting these results
Does not support vpc yet, please be careful when trusting these results
Does not support vpc yet, please be careful when trusting these results
Does not support vpc yet, please be careful when trusting these results
Does not support vpc yet, please be careful when trusting these results
Does not support vpc yet, please be careful when trusting these results
Does not support vpc yet, please be careful when trusting these results
Does not support vpc yet, please be careful when trusting these results
Congratulations, you have no unused reservations
Congratulations, you have no unreserved instances Traceback (most recent call last): File "./ec2-check-reserved-instances.py", line 84, in <module> qty_running_instances = reduce( lambda x, y: x+y, running_instances.values() ) TypeError: reduce() of empty sequence with no initial value
Apr 21 in AWS by Soham
• 9,330 points
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