---
AWSTemplateFormatVersion: "2010-09-09"
Description: A sample template
Parameters:
  myIops:
    Type: Number
    Default: 1000
Resources:
  ## Missing Properties
  MyEC2Instance:
    Type: "AWS::EC2::Instance"
    Properties:
      ImageId: "ami-2f726546"
      InstanceType: t1.micro
      KeyName: 1
      BlockDeviceMappings:
        - DeviceName: /dev/sdm
          Ebs:
            VolumeType: io1
            Iops: 1000
            DeleteOnTermination: false
            VolumeSize: 20
      NetworkInterfaces:
        - DeviceIndex: "1"
  MyEC2Instance3:
    Type: "AWS::EC2::Instance"
    Properties:
      ImageId: "ami-2f726546"
      BlockDeviceMappings:
        - DeviceName: /dev/sdm
          VirtualName: ephemeral0
        - DeviceName: /dev/sdn
          VirtualName: ephemeral23
        - DeviceName: /dev/sdo
          VirtualName: ephemeral19
  MyLaunchConfig:
    Type: AWS::AutoScaling::LaunchConfiguration
    Properties:
      ImageId: "ami-2f726546"
      InstanceType: t2.micro
      BlockDeviceMappings:
        - DeviceName: /dev/sdm
          Ebs:
            VolumeType: io1
            Iops: !Ref myIops
            DeleteOnTermination: false
            VolumeSize: 20
        - DeviceName: /dev/sdn
          Ebs:
            VolumeType: io2
            Iops: !Ref myIops
            DeleteOnTermination: false
            VolumeSize: 20
        - DeviceName: /dev/sdo
          Ebs:
            VolumeType: standard
            DeleteOnTermination: false
            VolumeSize: 20