Terraform aws instance: root block device

https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/instance#root_block_device

root_block_device - (Optional) Configuration block to customize details about the root block device of the instance. See Block Devices below for details. When accessing this as an attribute reference, it is a list containing one object

iops - (Optional) Amount of provisioned IOPS. Only valid for volume_type of io1, io2 or gp3.

root_block_device

root_block_device {
   ~ iops             = 3000 -> 0
     [[tags]              = {}
}

Related

volume_size, volume_type 

• terraform plan
• Terraform resource: aws_instance
• IOPS
• user_data

ebs_block_device

See also

• Terraform AWS: aws_instance: ami, availability_zone, instance_type, key_name, aws_key_pair, monitoring, associate_public_ip_address, tenancy, subnet_id, user_data, iam_instance_profile, vpc_security_group_ids, root_block_device, ebs_block_device