Oracle Cloud Infrastructure Volume Attachments API

The Volume Attachments API from Oracle Cloud Infrastructure — 2 operation(s) for volume attachments.

Documentation GitHub OpenAPI

Operations 3

Each operation below carries the questions people ask an LLM about it and the instructions they give an agent to run it. Generated by API Evangelist overlay

GET /volumeAttachments List block volume attachments in a compartment · Oracle Cloud List Volume Attachments #

Ask an LLM

“Which block volumes are attached to instances in my compartment?”

“Can I see just the volumes attached to one particular instance?”

Tell an agent

List the volume attachments in compartment {compartmentId}.

Show volumes attached to instance {instanceId} in compartment {compartmentId}.

POST /volumeAttachments Attach a block volume to an instance · Oracle Cloud Attach Volume #

Ask an LLM

“How do I attach a block storage volume to a compute instance in Oracle Cloud?”

“Can a volume be attached as read-only?”

Tell an agent

Attach volume {volumeId} to instance {instanceId} using attachment type {type}.

Attach {volumeId} to {instanceId} as a {type} attachment, read-only set to {isReadOnly}.

DELETE /volumeAttachments/{volumeAttachmentId} Detach a block volume from an instance · Oracle Cloud Detach Volume #

Ask an LLM

“How do I disconnect a block volume from its instance?”

“What do I need to detach a storage volume?”

Tell an agent destructive · confirm first

Detach volume attachment {volumeAttachmentId}.

Disconnect the block volume behind attachment {volumeAttachmentId} from its instance.

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OpenAPI Specification

openapi: 3.2.0
info:
  title: Oracle Cloud Compute Volume Attachments API
  description: Manage compute instances, images, shapes, and related resources in Oracle Cloud Infrastructure.
  version: '20160918'
  x-generated-from: documentation
  x-last-validated: '2026-04-18'
  contact:
    name: Oracle Cloud Infrastructure
    url: https://docs.oracle.com/en-us/iaas/Content/Compute/home.htm
servers:
- url: https://iaas.{region}.oraclecloud.com/20160918
  description: OCI Compute API server
  variables:
    region:
      default: us-ashburn-1
      description: OCI region identifier
security:
- ociSignature: []
tags:
- name: Volume Attachments
paths:
  /volumeAttachments:
    get:
      operationId: listVolumeAttachments
      summary: Oracle Cloud List Volume Attachments
      description: Lists the volume attachments in the specified compartment.
      tags:
      - Volume Attachments
      parameters:
      - name: compartmentId
        in: query
        required: true
        description: The OCID of the compartment.
        schema:
          type: string
        example: ocid1.resource.oc1.iad.abcdefg123456
      - name: instanceId
        in: query
        required: false
        description: The OCID of the instance.
        schema:
          type: string
        example: ocid1.resource.oc1.iad.abcdefg123456
      - name: limit
        in: query
        required: false
        description: Maximum number of items to return.
        schema:
          type: integer
        example: 1
      responses:
        '200':
          description: Successfully retrieved volume attachments.
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/VolumeAttachment'
              examples:
                ListVolumeAttachments200Example:
                  summary: Default listVolumeAttachments 200 response
                  x-microcks-default: true
                  value:
                  - id: ocid1.resource.oc1.iad.abcdefg123456
                    instanceId: ocid1.resource.oc1.iad.abcdefg123456
                    volumeId: ocid1.resource.oc1.iad.abcdefg123456
                    displayName: my-resource
                    lifecycleState: ATTACHING
                    timeCreated: '2026-04-18T10:30:00Z'
                    attachmentType: iscsi
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
    post:
      operationId: attachVolume
      summary: Oracle Cloud Attach Volume
      description: Attaches the specified storage volume to the specified instance.
      tags:
      - Volume Attachments
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/AttachVolumeDetails'
            examples:
              AttachVolumeRequestExample:
                summary: Default attachVolume request
                x-microcks-default: true
                value:
                  instanceId: ocid1.resource.oc1.iad.abcdefg123456
                  volumeId: ocid1.resource.oc1.iad.abcdefg123456
                  type: iscsi
                  displayName: my-resource
                  isReadOnly: false
      responses:
        '200':
          description: Successfully attached volume.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/VolumeAttachment'
              examples:
                AttachVolume200Example:
                  summary: Default attachVolume 200 response
                  x-microcks-default: true
                  value:
                    id: ocid1.resource.oc1.iad.abcdefg123456
                    instanceId: ocid1.resource.oc1.iad.abcdefg123456
                    volumeId: ocid1.resource.oc1.iad.abcdefg123456
                    displayName: my-resource
                    lifecycleState: ATTACHING
                    timeCreated: '2026-04-18T10:30:00Z'
                    attachmentType: iscsi
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
  /volumeAttachments/{volumeAttachmentId}:
    delete:
      operationId: detachVolume
      summary: Oracle Cloud Detach Volume
      description: Detaches a storage volume from an instance.
      tags:
      - Volume Attachments
      parameters:
      - name: volumeAttachmentId
        in: path
        required: true
        description: The OCID of the volume attachment.
        schema:
          type: string
        example: ocid1.resource.oc1.iad.abcdefg123456
      responses:
        '204':
          description: Successfully detached volume.
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
components:
  schemas:
    VolumeAttachment:
      type: object
      description: A volume attached to a compute instance.
      properties:
        id:
          type: string
          description: The OCID of the volume attachment.
          example: ocid1.resource.oc1.iad.abcdefg123456
        instanceId:
          type: string
          description: The OCID of the instance.
          example: ocid1.resource.oc1.iad.abcdefg123456
        volumeId:
          type: string
          description: The OCID of the volume.
          example: ocid1.resource.oc1.iad.abcdefg123456
        displayName:
          type: string
          description: A user-friendly name.
          example: my-resource
        lifecycleState:
          type: string
          enum:
          - ATTACHING
          - ATTACHED
          - DETACHING
          - DETACHED
          example: ATTACHING
        timeCreated:
          type: string
          format: date-time
          example: '2026-04-18T10:30:00Z'
        attachmentType:
          type: string
          description: The type of volume attachment.
          enum:
          - iscsi
          - paravirtualized
          example: iscsi
    AttachVolumeDetails:
      type: object
      description: Details for attaching a volume.
      required:
      - instanceId
      - volumeId
      - type
      properties:
        instanceId:
          type: string
          description: The OCID of the instance.
          example: ocid1.resource.oc1.iad.abcdefg123456
        volumeId:
          type: string
          description: The OCID of the volume.
          example: ocid1.resource.oc1.iad.abcdefg123456
        type:
          type: string
          description: The type of volume attachment.
          enum:
          - iscsi
          - paravirtualized
          example: iscsi
        displayName:
          type: string
          description: A user-friendly name.
          example: my-resource
        isReadOnly:
          type: boolean
          description: Whether the attachment is read-only.
          default: false
          example: false
  securitySchemes:
    ociSignature:
      type: http
      scheme: bearer
      description: OCI request signature authentication using API signing keys.

Oracle Cloud Infrastructure Volume Attachments API

Operations 3

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