I have m3.medium server on amazon and i want to change it to t2.medium but it's on PV virtualization. So can't just change instance type. But i have an idea to solve this. Here is the step:

  1. Creating new hvm t2.medium instance
  2. Stop m3.medium server and detach volume
  3. Attach volume to newly created hvm
  4. Terminate m3.medium

But there is some question before i did it.

  • There is plenty of alarms assigned pv server. How to keep that?
  • Is there a way to do it by keep everything?
  • Is there anything i forget? What i mean is do i lose something else or are there anything else i have to configure again?

1 Answer 1


You'll also lose everything on the m3.medium's instance-store volume, unless you copy it to an EBS volume first.

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