


 Resolution
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Modifying an EBS volume requires two steps. First, increase the size of the EBS volume using the [Amazon Elastic Compute Cloud (Amazon EC2) console](https://docs.aws.amazon.com/AWSEC2/latest/WindowsGuide/requesting-ebs-volume-modifications.html#console-modify-size) or the [AWS Command Line Interface (AWS CLI)](https://docs.aws.amazon.com/AWSEC2/latest/WindowsGuide/requesting-ebs-volume-modifications.html#aws-cli). Then, extend the volume’s file system to use the new storage capacity. For instructions, see:


* [Extend a Windows file system after resizing a volume](https://docs.aws.amazon.com/AWSEC2/latest/WindowsGuide/recognize-expanded-volume-windows.html)
* [Extend a Linux file system after resizing a volume](https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/recognize-expanded-volume-linux.html)


**Note:** If you receive errors when running AWS CLI commands, [make sure that you’re using the most recent version of the AWS CLI](https://docs.aws.amazon.com/cli/latest/userguide/cli-chap-troubleshooting.html).





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 Related information
--------------------



[Requirements when modifying volumes](https://docs.amazonaws.cn/en_us/AWSEC2/latest/WindowsGuide/modify-volume-requirements.html)


[Monitor the progress of volume modifications](https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/monitoring-volume-modifications.html)


[Map disks to volumes on your Windows instance](https://docs.aws.amazon.com/AWSEC2/latest/WindowsGuide/ec2-windows-volumes.html)


[Initialize Amazon EBS volumes on Linux](https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ebs-initialize.html#ebs-initialize-linux)


[Initialize Amazon EBS volumes on Windows](https://docs.aws.amazon.com/AWSEC2/latest/WindowsGuide/ebs-initialize.html#ebs-initialize-windows)







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