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# Update a storage volume

To update a storage volume, perform a `PUT` operation to reapply all of the storage volume attributes. View the storage volume attributes by using a `GET` operation, edit the attributes, and then perform a `PUT` operation using all of the attributes.

Only `name`, `description`, `shareable`, and `provisionedCapacity` can be updated. `provisionedCapacity` can only be increased, not decreased.

### Prerequisites

- Minimum required session ID privileges: Infrastructure administrator or Storage administrator

Updating a storage volume using REST APIs
Select a storage volume URI. `GET /rest/storage-volumes` Get the storage volume using the URI from step 1. `GET /rest/storage-volumes/`{id}`` Edit the storage volume. Update the storage volume. `PUT /rest/storage-volumes/`{id}``

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