When we deploy a new “machine” on AWS, we tend to assign it minimal resources to minimize costs. Sometimes, our zeal for cost savings may lead us to create disks that become outgrown in a few months.

When this happens on Windows 2008 or Windows 2012 systems, we can resize the disk following the steps described below:

*Note: You can click on the images to see them in full size.

Steps to follow

1. Have the instance identifier clear.

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2. Have the resizing volume identifier clear.

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3. Stop the instance

4. Create a snapshot of the volume to resize.

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5. Create a new volume from the snapshot.
Attention! The availability zone must be the same one as the original volume.

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6. Unpair the original volume from the instance.

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7. Pair the new volume to the instance.
Attention! The device must be /dev/sda1

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8. Run the instance and resize the disk from the Windows disk manager.

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9. Finally, delete the created instance and the original volume.

TAGS: amazon web services, amazon web services, aws, aws, Windows

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