moving EC2 instances between subnets

hello there, is there any solution to use a Lambda function (with Python) to change the subnet of an ec2 instance? if yes, please provide a sample code. thank you.

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Aref

已提問 3 個月前檢視次數 104 次

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Hi Aref,

it is currently not possible to move your EC2 instance to another subnet (or Availability Zone or VPC). Instead, you can create a new Amazon Machine Image (AMI) from the source instance to manually migrate the instance. You can find a detailed guide here: https://repost.aws/knowledge-center/move-ec2-instance

Regards, Ben

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ben-from-aws

已回答 3 個月前

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Tushar_J

已審閱 2 個月前

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Steve_M

已審閱 3 個月前

Steve_M 專家
3 個月前
Correct. Think about it - the EC2 is provisioned with a private IP which is kept for the lift of the EC2. This IP is allocated according to the subnet into which the EC2 is provisioned. It's not possible to have another subnet with the same range in the same VPC.

Also the EBS volume which the EC2 uses to boot will be provisioned in a specific AZ, so even if the EC2 instance were able to be moved to another AZ it would no longer be able to attach its root disk.

moving EC2 instances between subnets

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