**Example 1: To view information about a specific root volume replacement task** The following ``describe-replace-root-volume-tasks`` example describes root volume replacement task replacevol-0111122223333abcd. :: aws ec2 describe-replace-root-volume-tasks \ --replace-root-volume-task-ids replacevol-0111122223333abcd Output:: { "ReplaceRootVolumeTasks": [ { "ReplaceRootVolumeTaskId": "replacevol-0111122223333abcd", "Tags": [], "InstanceId": "i-0123456789abcdefa", "TaskState": "succeeded", "StartTime": "2022-03-14T15:16:28Z", "CompleteTime": "2022-03-14T15:16:52Z" } ] } For more information, see `Replace a root volume <https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ebs-restoring-volume.html#replace-root>`__ in the *Amazon Elastic Compute Cloud User Guide*. **Example 2: To view information about all root volume replacement tasks for a specific instance** The following ``describe-replace-root-volume-tasks`` example describes all of the root volume replacement tasks for instance i-0123456789abcdefa. :: aws ec2 describe-replace-root-volume-tasks \ --filters Name=instance-id,Values=i-0123456789abcdefa Output:: { "ReplaceRootVolumeTasks": [ { "ReplaceRootVolumeTaskId": "replacevol-0111122223333abcd", "Tags": [], "InstanceId": "i-0123456789abcdefa", "TaskState": "succeeded", "StartTime": "2022-03-14T15:06:38Z", "CompleteTime": "2022-03-14T15:07:03Z" }, { "ReplaceRootVolumeTaskId": "replacevol-0444455555555abcd", "Tags": [], "InstanceId": "i-0123456789abcdefa", "TaskState": "succeeded", "StartTime": "2022-03-14T15:16:28Z", "CompleteTime": "2022-03-14T15:16:52Z" } ] } For more information, see `Replace a root volume <https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ebs-restoring-volume.html#replace-root>`__ in the *Amazon Elastic Compute Cloud User Guide*.