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# Unmap volumes

A storage volume is an identifiable unit of data storage. Storage groups are sets of volumes.

## About this task

This procedure explains how to unmap volumes.

## Steps

1. Select the storage system.
2. Select STORAGE > Volumes.
3. Select the volume, click , and click Configuration > Unmap.
4. Select one or more ports.
5. To reserve the volumes, select Reserve Volumes. In addition, you can also type reserve Comments and select an Expiration. The default values for Reserve Volumes and Comments are set in Set general preferences for volumes reservations. If the volumes are not automatically reserved, you can optionally reserve them here.
6. Click Next.
7. Verify your selections in the Summary page. To change any of your selections, click Back. Some changes may require you to make additional changes to your configuration.
8. Do one of the following:
   - Click Run Now to perform the operation now.
   - Expand Run Now and click Add to Job List to add this task to the job list, from which you can schedule or run the task at your convenience. For more information, see Schedule jobs and Preview jobs.