How do I increase Disk Space?

To dynamically increase disk space on a production server without changing the server, you have a few options depending on your specific setup:

1. For EC2 instances with EBS volumes that support Elastic Volumes: You can increase the volume size, change the volume type, or adjust performance without detaching the volume or restarting the instance. This allows you to continue using your application while the changes take effect.

2. For Windows Server: You can modify the volume to add more space through the AWS Management Console or CLI. After increasing the EBS volume size, you'll need to extend the partition and file system using the Disk Management utility or PowerShell.

3. For Linux instances: After increasing the EBS volume size in AWS, you'll need to extend the partition and resize the file system. This typically involves using commands like 'growpart' to extend the partition and 'resize2fs' (for ext3/ext4) or 'xfs_growfs' (for XFS) to resize the file system.

4. For Amazon FSx for Windows File Server: You can set up automatic storage capacity increases using an AWS CloudFormation template. This solution deploys components that monitor free storage capacity and automatically increase storage when it falls below a defined threshold.

5. For Amazon FSx for NetApp ONTAP: You can modify volume storage capacity using the ONTAP CLI by connecting via SSH and using the 'volume modify' command.

Remember to always back up your data before making changes to your storage configuration. Also, note that while these methods allow for increasing storage without changing the server, they may still require some downtime or performance impact during the resizing process, especially for the file system expansion step.

Sources
Extend or modify disk volume - AWS Prescriptive Guidance
Windows Server increase the disk space | AWS re:Post
Increase storage rocky linux 7 ec2 | AWS re:Post
Increasing the storage capacity of an FSx for Windows File Server file system dynamically - Amazon FSx for Windows File Server
Updating storage capacity - FSx for ONTAP