275 lines
8.6 KiB
ReStructuredText
275 lines
8.6 KiB
ReStructuredText
.. -*- rst -*-
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===================================================================
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Servers with volume attachments (servers, os-volume\_attachments)
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===================================================================
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Attaches volumes that are created through the volume API to server
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instances. Also, lists volume attachments for a server, shows
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details for a volume attachment, and detaches a volume.
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List volume attachments for an instance
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=======================================
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.. rest_method:: GET /servers/{server_id}/os-volume_attachments
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List volume attachments for an instance.
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Normal response codes: 200
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Error response codes: unauthorized(401), forbidden(403), itemNotFound(404)
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Request
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-------
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.. rest_parameters:: parameters.yaml
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- server_id: server_id_path
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- limit: limit_simple
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- offset: offset_simple
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Response
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--------
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.. rest_parameters:: parameters.yaml
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- volumeAttachments: volumeAttachments
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- id: volume_attachment_id_resp
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- serverId: server_id
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- volumeId: volumeId_resp
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- device: attachment_device_resp
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- tag: device_tag_bdm_attachment_resp
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- delete_on_termination: delete_on_termination_attachments_resp
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- attachment_id: attachment_volume_id_resp
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- bdm_uuid: attachment_bdm_id_resp
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**Example List volume attachments for an instance: JSON response**
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.. literalinclude:: ../../doc/api_samples/os-volumes/list-volume-attachments-resp.json
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:language: javascript
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**Example List tagged volume attachments for an instance (v2.89): JSON response**
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.. literalinclude:: ../../doc/api_samples/os-volumes/v2.89/list-volume-attachments-resp.json
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:language: javascript
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Attach a volume to an instance
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==============================
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.. rest_method:: POST /servers/{server_id}/os-volume_attachments
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Attach a volume to an instance.
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Normal response codes: 200
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Error response codes: badRequest(400), unauthorized(401), forbidden(403), itemNotFound(404), conflict(409)
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.. note:: From v2.20 attach a volume to an instance in SHELVED or SHELVED_OFFLOADED
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state is allowed.
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.. note:: From v2.60, attaching a multiattach volume to multiple instances is
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supported for instances that are not SHELVED_OFFLOADED. The ability
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to actually support a multiattach volume depends on the volume type
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and compute hosting the instance.
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.. note:: This is an asynchronous API, callers should poll the status and list
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of attachments of the volume within the volume API to determine when
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the attachment has completed successfully.
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Request
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-------
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.. rest_parameters:: parameters.yaml
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- server_id: server_id_path
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- volumeAttachment: volumeAttachment_post
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- volumeId: volumeId
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- device: device
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- tag: device_tag_bdm_attachment
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- delete_on_termination: delete_on_termination_attachments_req
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**Example Attach a volume to an instance: JSON request**
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.. literalinclude:: ../../doc/api_samples/os-volumes/attach-volume-to-server-req.json
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:language: javascript
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**Example Attach a volume to an instance and tag it (v2.49): JSON request**
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.. literalinclude:: ../../doc/api_samples/os-volumes/v2.49/attach-volume-to-server-req.json
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:language: javascript
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**Example Attach a volume to an instance with "delete_on_termination" (v2.79): JSON request**
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.. literalinclude:: ../../doc/api_samples/os-volumes/v2.79/attach-volume-to-server-req.json
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:language: javascript
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Response
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--------
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.. rest_parameters:: parameters.yaml
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- volumeAttachment: volumeAttachment
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- device: device_resp
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- id: attachment_id_resp
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- serverId: server_id
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- volumeId: volumeId_resp
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- tag: device_tag_bdm_attachment_resp
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- delete_on_termination: delete_on_termination_attachments_resp
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**Example Attach a volume to an instance: JSON response**
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.. literalinclude:: ../../doc/api_samples/os-volumes/attach-volume-to-server-resp.json
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:language: javascript
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**Example Attach a tagged volume to an instance (v2.70): JSON response**
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.. literalinclude:: ../../doc/api_samples/os-volumes/v2.70/attach-volume-to-server-resp.json
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:language: javascript
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**Example Attach a volume with "delete_on_termination" (v2.79): JSON response**
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.. literalinclude:: ../../doc/api_samples/os-volumes/v2.79/attach-volume-to-server-resp.json
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:language: javascript
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Show a detail of a volume attachment
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====================================
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.. rest_method:: GET /servers/{server_id}/os-volume_attachments/{volume_id}
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Show a detail of a volume attachment.
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Normal response codes: 200
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Error response codes: unauthorized(401), forbidden(403), itemNotFound(404)
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Request
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-------
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.. rest_parameters:: parameters.yaml
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- server_id: server_id_path
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- volume_id: volume_id_attached_path
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Response
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--------
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.. rest_parameters:: parameters.yaml
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- volumeAttachment: volumeAttachment
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- id: volume_attachment_id_resp
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- serverId: server_id
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- volumeId: volumeId_resp
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- device: attachment_device_resp
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- tag: device_tag_bdm_attachment_resp
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- delete_on_termination: delete_on_termination_attachments_resp
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- attachment_id: attachment_volume_id_resp
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- bdm_uuid: attachment_bdm_id_resp
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**Example Show a detail of a volume attachment: JSON response**
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.. literalinclude:: ../../doc/api_samples/os-volumes/volume-attachment-detail-resp.json
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:language: javascript
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**Example Show a detail of a tagged volume attachment (v2.89): JSON response**
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.. literalinclude:: ../../doc/api_samples/os-volumes/v2.89/volume-attachment-detail-resp.json
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:language: javascript
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Update a volume attachment
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==========================
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.. rest_method:: PUT /servers/{server_id}/os-volume_attachments/{volume_id}
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Update a volume attachment.
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.. note:: This action only valid when the server is in ACTIVE, PAUSED and RESIZED state,
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or a conflict(409) error will be returned.
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.. warning:: When updating volumeId, this API is typically meant to
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only be used as part of a larger orchestrated volume
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migration operation initiated in the block storage
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service via the ``os-retype`` or ``os-migrate_volume``
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volume actions. Direct usage of this API to update
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volumeId is not recommended and may result in needing to
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hard reboot the server to update details within the guest
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such as block storage serial IDs. Furthermore, updating
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volumeId via this API is only implemented by `certain
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compute drivers`_.
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.. _certain compute drivers: https://docs.openstack.org/nova/latest/user/support-matrix.html#operation_swap_volume
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Policy default role is 'rule:system_admin_or_owner', its scope is
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[system, project], which allow project members or system admins to
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change the fields of an attached volume of a server. Policy defaults
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enable only users with the administrative role to change ``volumeId``
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via this operation. Cloud providers can change these permissions
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through the ``policy.json`` file.
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Updating, or what is commonly referred to as "swapping", volume attachments
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with volumes that have more than one read/write attachment, is not supported.
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Normal response codes: 202
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Error response codes: badRequest(400), unauthorized(401), forbidden(403), itemNotFound(404), conflict(409)
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Request
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-------
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.. rest_parameters:: parameters.yaml
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- server_id: server_id_path
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- volume_id: volume_id_swap_src
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- volumeAttachment: volumeAttachment_put
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- volumeId: volumeId_swap
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- delete_on_termination: delete_on_termination_put_req
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- device: attachment_device_put_req
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- serverId: attachment_server_id_put_req
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- tag: device_tag_bdm_attachment_put_req
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- id: attachment_id_put_req
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.. note:: Other than ``volumeId``, as of v2.85 only
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``delete_on_termination`` may be changed from the current
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value.
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**Example Update a volume attachment (v2.85): JSON request**
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.. literalinclude:: ../../doc/api_samples/os-volumes/v2.85/update-volume-attachment-delete-flag-req.json
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:language: javascript
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Response
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--------
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No body is returned on successful request.
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Detach a volume from an instance
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================================
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.. rest_method:: DELETE /servers/{server_id}/os-volume_attachments/{volume_id}
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Detach a volume from an instance.
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Normal response codes: 202
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Error response codes: badRequest(400), unauthorized(401), forbidden(403), itemNotFound(404), conflict(409)
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.. note:: From v2.20 detach a volume from an instance in SHELVED or SHELVED_OFFLOADED
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state is allowed.
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.. note:: This is an asynchronous API, callers should poll the list
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of volume attachments provided by ``GET
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/servers/{server_id}/os-volume_attachments`` to determine when the
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detachment of the volume has completed successfully.
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Request
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-------
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.. rest_parameters:: parameters.yaml
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- server_id: server_id_path
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- volume_id: volume_id_to_detach_path
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Response
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--------
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No body is returned on successful request.
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