Question 18583 in Amazon Web Sevices Question posted in
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AWS EC2 – Get EBS Volume information – Amazon Web Sevices

Is there a way/method in the EC2/AWS API such that I can get the EBS volume that is attached to a particular EC2 instance?

IE:
I just want something that allows me to do something along the lines of:
method(instance_id) – returns the EBS volume that this particular instance_id is attached to.

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2

Answers


  1. 0

    Yes, you can use the describe-instances command from the AWS CLI.

    An example:

    aws ec2 describe-instances --query 'Reservations[*].Instances[?InstanceId==`i-058aba2af1c14e93e`].BlockDeviceMappings[*]'
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  2. 0

    If you know your instance ID, you can use CLI command:

    aws ec2 describe-volumes 
    --region us-east-1 
    --filters Name=attachment.instance-id,Values=i-08e0325f9e7218a02

    where Values is my instance ID.

    The answer looks like:

    {
    "Volumes": [
        {
            "Attachments": [
                {
                    "AttachTime": "2023-02-28T23:44:46+00:00",
                    "Device": "/dev/xvda",
                    "InstanceId": "i-08e0325f9e7218a02",
                    "State": "attached",
                    "VolumeId": "vol-087d2d787f60de5d8",
                    "DeleteOnTermination": true
                }
            ],
            "AvailabilityZone": "us-east-1b",
            "CreateTime": "2023-02-28T23:44:46.880000+00:00",
            "Encrypted": false,
            "Size": 8,
            "SnapshotId": "snap-0d521a3c01cf13eee",
            "State": "in-use",
            "VolumeId": "vol-087d2d787f60de5d8",
            "Iops": 100,
            "VolumeType": "gp2",
            "MultiAttachEnabled": false
        }
    ]
}
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