---
layout: "openstack"
page_title: "OpenStack: openstack_blockstorage_volume_v1"
sidebar_current: "docs-openstack-resource-blockstorage-volume-v1"
description: |-
  Manages a V1 volume resource within OpenStack.
---

# openstack\_blockstorage\_volume_v1

Manages a V1 volume resource within OpenStack.

## Example Usage

```
resource "openstack_blockstorage_volume_v1" "volume_1" {
  region = "RegionOne"
  name = "tf-test-volume"
  description = "first test volume"
  size = 3
}
```

## Argument Reference

The following arguments are supported:

* `region` - (Required) The region in which to create the volume. If
    omitted, the `OS_REGION_NAME` environment variable is used. Changing this
    creates a new volume.

* `size` - (Required) The size of the volume to create (in gigabytes). Changing
    this creates a new volume.

* `name` - (Optional) A unique name for the volume. Changing this updates the
    volume's name.

* `description` - (Optional) A description of the volume. Changing this updates
    the volume's description.

* `availability_zone` - (Optional) The availability zone for the volume.
    Changing this creates a new volume.

* `image_id` - (Optional) The image ID from which to create the volume.
    Changing this creates a new volume.

* `snapshot_id` - (Optional) The snapshot ID from which to create the volume.
    Changing this creates a new volume.

* `source_vol_id` - (Optional) The volume ID from which to create the volume.
    Changing this creates a new volume.

* `metadata` - (Optional) Metadata key/value pairs to associate with the volume.
    Changing this updates the existing volume metadata.

* `volume_type` - (Optional) The type of volume to create.
    Changing this creates a new volume.

## Attributes Reference

The following attributes are exported:

* `region` - See Argument Reference above.
* `size` - See Argument Reference above.
* `name` - See Argument Reference above.
* `description` - See Argument Reference above.
* `availability_zone` - See Argument Reference above.
* `image_id` - See Argument Reference above.
* `source_vol_id` - See Argument Reference above.
* `snapshot_id` - See Argument Reference above.
* `metadata` - See Argument Reference above.
* `volume_type` - See Argument Reference above.
* `attachment` - If a volume is attached to an instance, this attribute will
    display the Attachment ID, Instance ID, and the Device as the Instance
    sees it.