create, terminate, start, stop or restart instances. In the Policy Information section, enter a unique name and an optional description for the policy. You can stop an Amazon EBS-backed instance. According to AWS Support, it is normal behavior to Terminate an instance when you tell it to Stop if it is part of an Auto Scaling group. The size appears after the full stop. Note: Amazon EBS doesn't charge you when you detach a volume from an EC2 instance. An instance cannot be hibernated for more than 60 days. That will shutdown (and stop, not terminate) the EC2. You need to use describe_instances api and then using if-else condition, request_id is empty its a spot instance, if not then its not a spot instance. Step 3: Terminate the Instance. This has the benefit of not needing to give the instance access to terminate ec2 via the AWS API. Step 2: Create a Role: Navigate to Roles. Per suggestion below, did stop-instance test. I have a bot that runs almost 24/7 on a Linux EC2 instance, and a webpage front end that allows for parameter input and shows the current status of the bot. )Hold on to your data. Follow answered Jul 10, 2019 at 14:19. As mentioned in the comments, I suggest working with AWS Powershell Module. You can schedule starts and stops via CloudWatch Events, set up an API Gateway endpoint to call at will. When enabled, the Stop Protection feature blocks attempts to stop or terminate the instance via the EC2 console, API, or CLI. You can also use the. (This does not prevent Amazon EC2 Auto Scaling from terminating instances. The Auto Scaling group responds to a scale-out event and begins launching an instance. Enter a name for the Auto Scaling group. You can add the stop, terminate, or reboot, actions to any alarm that is set on an Amazon EC2 per-instance metric, including basic and detailed monitoring metrics provided by Amazon CloudWatch (in the AWS/EC2 namespace), in addition to any custom metrics that include the "InstanceId=" dimension, as long as the InstanceId value refers to a valid. It stops only one instance, because your list comprehension iterates only over one instance. I would like to trap the EC2 stop/terminate event. Feel free to use your own name or enter the example name provided. By default, Amazon EC2 deletes all EBS volumes that were attached when the instance launched. ふと、AWSで不要なインスタンスができたのでstopしました。. It allows defining units of work (a job) and submitting work requests to. When scaling-out, new instances are launched into the Auto Scaling group. What happens to an instance differs if you stop it or terminate it. Warning: “Stopping” an instance is completely different from “terminating” an instance! When you terminate an EC2 instance, by default it deletes the EBS boot volume and other volumes that were created at run time. create, terminate, start, stop or restart instances. Global Log OutMeanwhile, EC2 Auto Scaling relies on predictive scaling, which uses machine learning to determine the right amount of resource capacity necessary to maintain a target utilization for EC2 instances. The terminate function is performed on a collection of instances you have already retrieved. When the script is run, the user can specify which option they want to use and provide additional. Amazon EC2 Auto Scaling now lets you control which instances to terminate during a scale-in event by allowing you to provide a custom function that selects which instances to terminate. To continue on and stop (then terminate) this instance, of the EC2 server we just created! The key difference (outside of the call to object, which takes an array of to stop. The front end sends a POST request to a lambda function, which writes the parameters to my S3 bucket. When I terminate an EC2 instance, does EBS do something like disconnection without being detached?EC2: Start or stop instances based on tags; EC2: Start or stop for matching tags; EC2: Full access within a Region (includes console) EC2: Start or stop an instance, modify security group (includes console) EC2: Requires MFA (GetSessionToken) for operations; EC2: Limit terminating instances to IP range; IAM: Access the policy. To disable termination protection using the AWS CLI, use the following command. I saw somewhere that I would only get. Terminated instances remain visible after termination (for approximately one hour). You can stop, start, and terminate EBS-backed instances. If EC2 terminates spot instance after 50 minutes, you pay ZERO; If you terminate spot instance after 50 minutes, you pay for 50 minutes; If either EC2 or you yourselves terminate spot instance after 70 minutes, you pay for 70 minutes; EC2 Spot Instances - Remember. After logging into my AWS account, I navigated to the “ Lambda” dashboard. Stop an Amazon EC2 instance using an AWS SDK. You can stop, start, and terminate EBS-backed instances. import boto3 ec2 = boto3. This task goes to the success state in Universal Controller until the EC2 instance is completely spun up or terminated. One way to address this could be using customized termination policy (but I never tried this in ECS setup). You can only terminate instance store-backed. Use this script to retrieve instance ID as well as availability zone and region, etc. It restarts these instances after two minutes. 2. After the instance is put into hibernation the instance is stopped. One note though, if your customized termination policy never terminates the instances and you continue. disable_api_stop - (Optional) If true, enables EC2 Instance Stop Protection. The only thing you will need to stop an instance which is in running state is the instance id. Today, Amazon EC2 announced the Stop Protection feature that enables customers to protect their instances from accidental stop actions. Resolution. Expand the Elastic Compute Cloud line item in the Bills page to see your EC2 usage by resource. 06 On the Change termination protection configuration. Share. User data is an instance attribute. When you store data, you prevent unnecessary losses in the event of AWS Spot Instance termination, and you can simply provision new ones and continue where. g. It's free to sign up and bid on jobs. The default is Stop, which means the instance will be turned off, but can turn on again afterwards. At this stage, the instance is preparing to enter the running state. Amazon EC2 can now hibernate EBS-backed Amazon EC2 T2 instances. To verify the root device type of an instance, you can use the Amazon EC2 console or the AWS CLI. You can stop, start, and terminate EBS-backed instances. John Rotenstein. You need to make the application deployed in your EC2 instance to be stateless. Navigate to the Lambda console and click Create function. By default, Amazon EC2 deletes all EBS volumes that were attached when the instance launched. Those are START, STOP, REBOOT, Terminate. Each Weekly Must-Reads View All aws ec2 stop-instances --instance-ids i-0123ab456c789d01e--force. It then deletes the source files. Amazon EC2 automatically forces it to terminate within a few. EC2インスタンスの削除保護を有効化してもShutdown behaviorによるterminateを防げないのは何故か #AWS - Qiita. Amazon supports the ability to terminate or stop a running instance. Inside the Compute Environment Parameters documentation for AWS Batch, there is a definition of State. if you're using AWS Console, go to EC2 -> Instances -> Select the instances you want to terminate and use the Instance state button to terminate the selected instances. There is also a flag that can be set on the instance as to how instance initiated shutdown is handled. I'd like to terminate both of them, but whenever I terminate them, the re-appear in my list of running instances a couple of minutes later. This would send the signal SIGTERM to the application running inside the Docker container. Then create a cron job to terminate ec2 spot instance. All of its Amazon EBS volumes remain attached, and you can start the instance again at a later time. The instance exceeded its specified keep-alive parameters. Start/Stop instances and auto-scale don't really fit together. So you are done for the day and stop your EC2 Instance. If you want to prevent your instance from being acc. We use an Application Load Balancer behind which we have an nginx server. Note that to use dedicated tenancy you MUST specify a vpc_subnet_id as well. When state=running, state=stopped or state=restarted then either instance_ids or. Launch—Adds instances to the Auto Scaling group when the group scales out, or when Amazon EC2 Auto Scaling chooses to launch instances for other reasons, such as when it adds instances to a warm pool. May 21, 2021. The managed node group handles Spot interruptions for you in the following way: the underlying EC2 Auto Scaling group is opted-in to Capacity Rebalancing, which means that when one of the Spot. The instance was stopped, rebooted, or terminated through AWS. amazon. difference between stop and hibernate for ec2 instancesodni cyber threat frameworkodni cyber threat framework1. For us, our graceful shutdown must wait for builds to finish before it can terminate an instance, a process which can take half an hour or more. You can specify that Amazon EC2 hibernates your Spot Instances when they are interrupted. I cannot run this script directly as a Lambda function because the script does some parallel processing which requires more RAM, so choosing a bigger AWS instance rather than writing it as a lambda function. Here's a sample CLI command that I used to test it: aws ec2 run-instances --image-id ami-abcd1234 --security-group-id sg-abcd1234 --instance-type t2. I want to know if I get charged for stopped EC2 instances. 3. Do you need to permanently delete your EC2 instance? Or just temporarily stop it to save some money while you’re not using it? When you go to change the in. 1 Answer. Stopping : You can stop an EC2 instance and stopping an instance means shutting down the instance. To check whether you have active EC2 instances in other Regions, do the following: 1. This can occur for several reasons, including continued system or user activity on the volume. 1. Its corresponding EBS volume is still attached to an EC2 instance, so you can restart the instance as well. “Stop”ping an EC2 instance: “Stop”ping an ec2 instance differs from “Terminate”ing an EC2 instance since you cannot restart a terminated instance. In step 5, paste the following code into the editor pane of the code editor on the lambda_function tab: import boto3 region = 'us-west-1' instances. filter(Filters=[{'Name':. Choose AWS Service and Lambda. Follow. It can be enabled or disabled on a per instance basis at anytime. Then, select the EC2 instance in the Management Console and choose the Create Image action. Instances backed by an instance store volume do not support the Stop action. It's easy to set Amazon CloudWatch alarms that detect and shut down idle Amazon EC2 instances. Start the hibernation agent. May 21, 2021. For example, you may remove a production environment from service, or manage short-lived. It consists of two parts: a number and letters. On the 'Terminate Instances' window, confirm by choosing 'Yes, Terminate'. Auto Scaling does not start/start instances. The instance will remain in a "running" state. When you terminate an instance, the root device and any other devices attached during the instance launch are automatically deleted. Hot. EC2 Invoke WeDoIT. While these terms may sound similar, they have distinct implications. If the EC2 instance is not using an Amazon EBS volume, then your only option is to terminate the instance. 2. For more information, see Suspending and Resuming Scaling Processes in the Amazon EC2 Auto Scaling User Guide. You can stop, start, and terminate EBS-backed instances. Feb 4, 2021 at 15:19. 2. Related. ServiceResource' object has no attribute 'terminate_instances' by Srini. Without Auto-Scaling: You can run a separate process / scheduled script which can run either on-premises or inside EC2 which fires the script. If you try terminating a spot instance in the EC2 console when it's set as 'persistent', a new spot instance will spin up in its place in a few minutes. The way I set this up, in short, is: Create a role that allows auto scaling to post a message to an SQS queue. AWS OpsWorks Stacks automatically starts and stops. Then search for stopInstances API. Terminate instances accepts multiple. 2. Termination protection and Amazon EC2. resource ('ec2') # iterate through instance IDs and terminate them. You pay when the instance is in RUNNING state. Here’re the four stages of a Virtual Machine-status. --update--. If other arguments are provided on the command line, those values will. Go to IAM on your AWS and click “Policies” on the left side. You can use the following tools to stop, reboot, or terminate your instance through AWS: AWS Management ConsoleFirstly, we have to open the Amazon EC2 console. 1k 29 29 gold badges 230 230 silver badges 325 325 bronze badges. 0. Yes - but that doesn't terminate the instance automatically when the script completes. You can stop, start, and terminate EBS-backed instances. 要检查您在其他区域是否有活动的 EC2 实例，请执行以下操作：. You can configure it to change one of three variables: The Minimum number of instances. Spot instances are up to 90% cheaper than On-Demand instances, which can significantly reduce your EC2 costs. This email contains the details of the terminated instance, such as the instance ID and the reason that the instance was. . The following code examples show how to stop an Amazon EC2 instance. Additional volumes that were attached when the instance launched and any volumes that. This will create a new Amazon Machine. 3. or invoke the function using any other supported method (or directly via the Lambda API) providing it's possible to configure a. Use EC2 Auto Scaling groups or EC2 Fleet to manage your aggregate capacity. An AWS EC2 Spot Instance is an unused EC2 instance which is available for less than the On-Demand price. When you stop or hibernate an instance, we shut it down. Create, terminate, start, stop or restart instances. May 21, 2021. For example, if you configure your EC2 Auto Scaling group to use the autoscaling: EC2_INSTANCE_TERMINATE notification type, and your EC2 Auto Scaling group terminates an instance, it sends an email notification. The terminate_instances function is performed from the client, and requires you to specify the filter of which instances you need to terminate. Khác với "stop", ch. If you shutdown a machine, it default's to stop. You can stop, start, and terminate EBS-backed instances. Click “Yes” to confirm. There are some scenarios, in which we cannot make the Instance as managed, this may be due to any reason, for example, let's say you do not have access to ssm endpoints, then the Instance will not come up as managed. Any data that was stored locally. When your instance is in stopped/terminate state, you will NOT be billed for “data transfer” and “compute”, but you will be charged for storage (if any). 3. Amazon EC2 Auto. Terminate Instance. AutoScaling Group is able to take care of this process for you. Amazon Elastic Compute Cloud (Amazon EC2) provides on-demand, scalable computing capacity in the Amazon Web Services (AWS) Cloud. On the dropdown labeled ‘Use Cases for other AWS. However, the AMI was never created. Under Cluster termination, select the Terminate cluster after last. Amazon EC2 now offers the same hibernation experience for Spot Instances as is currently available for On-Demand Instances. It does some process and it writes the result to the console and also to a log file. I want to change the config of EC2 instance that created by Elastic BeanStalk, but when I stop instance ( from EC2 --> Running instance --> Action) instead of stopping, the instance state change to terminated and after that go to pending and running, so I can't change instance type. An instance can’t be started from the. Terminated instances remain visible after termination (approximately one hour). However you need the instance ID, being a spot instance I do not know the ID. Amazon EC2 Auto Scaling might terminate instances in an Auto Scaling group for the following reasons: The instance is marked as unhealthy. The EMR cluster uses instance-store volumes and the EC2 start/stop feature relies on the use of EBS volumes which are not appropriate for high-performance, low-latency HDFS utilization. micro EC2 instance on AWS. filter (InstanceIds = ids). When 'absent', instance_ids is required. 04 Select the idle Amazon EC2 instance that you want to stop or terminate. Then, select your instance's group. Stopping instances will definitely save money. This can be stop or terminate. On Reboot, it remains on the same AWS-managed host. To disable termination protection using the Amazon EC2 console, select the instance and then choose Actions, Instance Settings, Change Termination Protection. When enabled, Amazon EC2 does not shut down the instance before creating the image. After 60 days, the instance is automatically moved to the. One of the key decisions you need to make is whether to stop or terminate your EC2 instances. The resulting output will look something like the. Stop Instance. Removing this configuration on existing instances will only stop managing it. This indicates that the primary node of the cluster. I would like to automate the workflow. So, just use Ctrl+C to stop the process. Improve this answer. The script below will require instance ids. Action examples are code excerpts from larger programs and must be run in context. We would like to show you a description here but the site won’t allow us. Below are the interview questions asked in major IT companies on EC2. Hibernation provides you the convenience of pausing and resuming your workloads. Customize termination policy. Volumes attached after instance launch continue running. Select Manual or Automatic to execute the policy manually or automatically. Amazon EC2 Auto Scaling might terminate instances in an Auto Scaling group for the following reasons: The instance is marked as unhealthy. 8,692 8 8 gold. The lifecycle hook puts the instance into a wait state ( Pending:Wait) and then performs a custom action. When you stop an EC2 instance, it performs a normal shutdown on the instance and moves to a stopped state . How do I fully terminate them? Termination protection is not enabled. ec2 = boto3. When scaling-in, instances are terminated. I used following policy statement for this: {. One of the key decisions you need to make is whether to stop or terminate your EC2 instances. In this section, we are going to see how to terminate multiple EC2 instances at the same time using the AWS CLI command. You can stop, start, and terminate EBS-backed instances. aws ec2 terminate-instances --region us-east-2 --instance-. The lifecycle ends when you terminate the instance, or the Auto Scaling group takes the instance out of service and terminates it. So let's start with what is AutoScaling group. A deeper link to Cloudwatch EC2 Events would probably be helpful, here. Just to state the obvious for junior folks who might come across this: sudo shutdown now requires access to the operating system (via SSH keys, inbound security groups, etc), while aws ec2 stop-instances is an AWS CLI command which simply requires API authentication (via IAM credentials or STS tokens). I want the cronserver to stop by itself after the execution of the last script. In this blog article, we will dive into the differences between stopping and terminating EC2 instances, and discuss the scenarios in which each. The ability to stop a running instance is only supported by instances that were launched with an EBS-based AMI. I configured a ubuntu server(AWS ec2 instance) system as a cronserver, 9 cronjobs run between 4:15-7:15 & 21:00-23:00. However, I can think of two reasons why other people wouldn't want to use shutdown. Volumes attached after instance launch continue running. This will cause your instance to terminate instead of stop when the OS halts. --auto-scaling-group-name My_AutoScalingGroup. For more information, see Hibernate your On-Demand Instance or Spot Instance. First, find the description and cause for the instance's termination: Open the Amazon EC2 console. My Termination Protection was set to Stop but apparently it overrides this setting. 05 Based on the chosen decommissioning strategy, perform one of the following sets of instructions: To stop an idle Amazon EC2 instance: Click on the Instance state dropdown button from the console top menu and select Stop instance. To specify which instances Amazon EC2 Auto Scaling should terminate first, choose a termination policy. To terminate a cluster with termination protection on with the old console. Next I tried to stop the ec2 instance. Use the price and capacity optimized allocation strategy. I am trying to run a script to start, stop, or restart a bot from my front end webpage. To enable, navigate to Actions > Instance Settings > Change. , batch jobs with the same processing time. 2. Amazon EMR is terminated if termination protection is turned off. {"tags":. An Amazon EMR cluster with termination protection enabled has the disableAPITermination attribute set for all Amazon EC2 instances in the cluster. nanoTerminated instances remain visible after termination (for approximately one hour). Reboot the instance from Windows "Start Menu" (or shutdown -r command in Linux) This will safely restart your EC2 instance. You should see the name of the region as it is deleted and a final done message when all the instances have been terminated. The AWS CLI stop instance command for multiple (three) instances is the same, but you need to specify multiple IDs of AWS EC2 instances separated by spaces:. You can see this action in context in the following code example: Get started with instances. To terminate (delete) all your active resources, do the following in the respective Regions: Note: Deleted, terminated, or released resources can't be recovered. Terminate EC2 instances, based on tags, using Ansible. Choose the refresh button in the box and select the template created in Step 2. To add your step and exit the dialog, choose Add step. Click Create Role. Lambda code (set with IAM role AmazonEC2FullAccess): import boto3 def put_cpu_alarm (instance_id): cloudWatch = boto3. aws ec2 stop-instances --instance-ids i-xxx. Sorted by: 119. can’t hibernate an instance that is in an Auto Scaling group or used by ECS. Stop an instance. * - Effect: Allow Action: - ec2:StartInstances - ec2:StopInstances Resource: "*" Typically, the easiest way to create a policy is to copy an existing policy and make. I tried to create an AMI from this running instance. After you successfully stop the instance, you can terminate it. You can also terminate an EC2 Instance using a command line or. Select Manual or Automatic to execute the policy manually or automatically. If there is a load balancer target group or Classic Load Balancer attached to your Auto Scaling group, the instance is. 2 Answers. You can stop an Amazon EBS-backed instance, but not an Amazon S3-backed instance. AWS AWS Cost Optimization Best practices Cloud Computing. . C:\> aws ec2 modify-instance-attribute --instance-id instance_id --no-disable-api-termination. This AWS control checks that security groups are attached to Amazon Elastic Compute Cloud (Amazon EC2) instances or to an elastic network interface. If, after 10 minutes, the instance has not stopped, post a request for help on AWS re:Post. Once you no longer need infrastructure, you may want to destroy it to reduce your security exposure and costs. Hint: type "g" and then "r" to quickly open this menu. All of its Amazon EBS volumes remain attached, and you can start the instance again at a later time. response = ec2. Stop or Terminate an Amazon EC2 Instance | Which to Choose AWS for BeginnersTo stop or terminate an Amazon EC2 instance, you can follow these steps:Go to th. Share. An EC2 Windows instance can be stopped or rebooted either through AWS or the Windows operating system (OS). You can also get parameter values for AWS instances that are already running using the AWS command line interface: $ aws ec2 describe. We’re selecting AWS Service for Entity Type and ‘Lambda’ for Use Case. EC2 Instance Stop Start. Via Terminate from the running state, the instance will enter the shutting-down state, and finally the terminated state. Via Terminate from the running state, the instance will enter the shutting-down state, and finally the terminated state. Note however that before this will work, you need to manually create at least one stop, terminate, or reboot alarm using the Amazon EC2 or CloudWatch console to create the EC2ActionsAccess IAM role. You can restart your instance at any time. stop -instances. Default termination policy. You can stop an Amazon EBS-backed instance. Get an email notification when an instance changes state. I want to create IAM policy which will restrict group or users to stop/terminate two used EC2 instances but they can create their own EC2 instances. If we start the EC2 instance, the data is restored on the EC2 instance. An EC2 Windows instance can be terminated only through AWS. Here’re the differences between ec2 start, stop , and terminate. This feature helps you stop and start the instances or reboot them without worrying about Amazon EC2 Auto Scaling terminating the instances as part of its health checks or during scale-in events. When you start a stopped instance the EBS volume is simply attached to the newly provisioned instance. Managing your EC2 instances on Amazon Web Services (AWS) requires careful consideration of various factors. This will output a lot of information from the creation of this instance. For the purpose, I came to know about Amazon EC2 plugin. Check the latest instance-controller logs and instance state logs when the instance-controller service is down. What Happens When EC2 Instances Are Discontinued? We’ll start with “stopped” to look at stop vs. If you are retrieving instance metadata for EC2 instances over the IPv6 address, ensure that you enable and use the IPv6 address instead: fd00:ec2::254. An instance can’t be started from the terminated state. Options differ depending on the step type. You can optionally set Timezone, Start date, End date. When you stop an EBS boot instance you are giving up the physical hardware (or slice of it) that the server was running on and EC2 is free to start somebody else's instance there. Note: Amazon EBS doesn't charge you when you detach a volume from an EC2 instance. There was an Elastic IP related to this configuration and had to remove by. A Spot Price is the hourly rate for a Spot instance. But I have a big list of instances that I need to terminate so I'm searching for a solution to. The choice will come down to which features and. Author: Rajesh Kesaraju, Sr. To allow users to work with Elastic IP addresses, you can add the following actions to your policy. Open the Amazon EC2 console: Go to the AWS Management Console and navigate to the EC2 service by clicking on "EC2" in the services list. The instance exceeded its specified keep-alive parameters. The (windows) operating system on the EC2 runs a script on startup. Stop Instance. terminate() terminate_instances. However I am not able to stop the instance - it has been stuck in the stopping state for hours. Yes, can able to terminate an EC2 instance by executing the below command. What is the difference between these two methods and which one should I use for deleting the instance? Using terminate_instances() throws the following error: AttributeError: 'ec2. To stop the instance click Stop. If you specify scaling policies, then Amazon EC2 Auto Scaling can launch or terminate instances as demand on your application increases or decreases. Instance C and Instance D fail to terminate because at least one of the specified instances in us-east-1b (Instance C) is enabled for termination protection. By using EC2 Spot Instances, customers can access additional compute capacity between 70%-90% off of On-Demand Instance pricing. When an instance is stopped, the instance performs a normal shutdown and then transitions to a stopped state. Specialist Solution Architect, EC2 Spot Instances In this blog post, I go over using Amazon EC2 Spot Instances on continuous integration and continuous deployment (CI/CD) workloads, via the popular open-source automation server Jenkins. Expected behavior: my instance would get terminated after my job is. You can now stop your Amazon EC2 Spot Instances backed by Amazon EBS and start them at will, instead of relying on the “Stop” interruption behavior to stop your Spot Instances when interrupted. If an instance in an Auto Scaling group fails a health check, it will be. An instance with a tenancy of "dedicated" runs on single-tenant hardware and can only be launched into a VPC. terminate_instances (instance_ids = ids) # Boto3 ec2. 0. Ask Question Asked 3 years, 9 months ago. For more information, see Create a Spot Instance request. Part of AWS Collective. If you cancel a Spot Instance request, an EC2 Fleet, or a Spot Fleet, Amazon EC2 terminates any associated Spot Instances that are stopped. By default, you can terminate your instance using the Amazon EC2 console, command line interface, or API. New – Hibernate Your EC2 Instances. Note that to use dedicated tenancy you MUST specify a vpc_subnet_id as well. browser tab. --auto-scaling-group-name My_AutoScalingGroup. (Not a rules page. You can't use the Stop action to hibernate Spot Instances, but you can specify that Amazon EC2 should hibernate Spot Instances when they are interrupted. Each item in the Metrics array either retrieves a metric or performs a math expression. After the instance is put into hibernation the instance is stopped. 20. If you selected multiple clusters, then choose Turn off all to turn off termination. resource('ec2', region_name='ap-southeast-2')Delete Key Pair. Using Amazon EC2 reduces hardware costs so you can develop and deploy applications faster. Schedule type: Periodic. You can only terminate instance store-backed instances. The IPv6 address of. Create a Schedule. Use boto3 package to get the instance id and create the CloudWatch alarm and attach it to the instance. To add the Terminate, start, or stop an instance in EC2 action to a policy. Check if you have active EC2 instances in other Regions. On-Demand Instances. aws ec2 stop-instances: aws ec2 terminate-instances: 概要: インスタンスを停止する。同じ IDS で再度起動は可能。 インスタンスを削除する。再起動はできない。 その他: インスタンスストアの場合は停止できない。（停止するとディスクの内容が削除されてしまうため）1 Answer. Stop Instance. However I would really recommend scaling your ASG down to 0 and terminating the instances and relaunching them next day. My Use case: I have a vm root image for every one hour few vms are created using the root disk and scheduled todo some task. 246k 25 390 481.