| Verb | URI | Description |
|---|---|---|
| POST | /instances/{instanceId}/action | Resizes the volume attached to the Instance. |
Normal Response Code(s): 202
Error Response Code(s): badRequest (400), unauthorized (401), forbidden (403), badMethod (405), overLimit (413), unprocessableEntity (422), instanceFault (500), notImplemented (501), serviceUnavailable (503), itemNotFound (404), badMediaType (415)
This operation supports resizing the attached volume for an instance. It supports only increasing the volume size and does not support decreasing the size. The volume size is in gigabytes (GB) and must be an integer.
![]() | Note |
|---|---|
You cannot increase the volume to a size larger than the API volume size limit specifies. |
This operation returns a 202 Accepted response.
| Name | Style | Type | Description |
|---|---|---|---|
accountId | Template | String | The account ID of the owner of the specified instance. |
instanceId | Template | String | The instance ID for the specified database instance. |
The following examples show the Resize Instance Volume requests:
Example 4.41. Resize the Instance Volume Request: XML
POST /v1.0/1234/instances/9cccb45e-e15d-4bcc-aedc-61a4bf3e4ad9/action HTTP/1.1 User-Agent: python-reddwarfclient Host: ord.databases.api.rackspacecloud.com X-Auth-Token: 87c6033c-9ff6-405f-943e-2deb73f278b7 Accept: application/xml Content-Type: application/xml <resize xmlns="http://docs.openstack.org/database/api/v1.0"> <volume size="4"/> </resize>
Example 4.42. Resize the Instance Volume Request: JSON
POST /v1.0/1234/instances/dcc5c518-73c7-4471-83e1-15fae67a98eb/action HTTP/1.1
User-Agent: python-reddwarfclient
Host: ord.databases.api.rackspacecloud.com
X-Auth-Token: 87c6033c-9ff6-405f-943e-2deb73f278b7
Accept: application/json
Content-Type: application/json
{
"resize": {
"volume": {
"size": 4
}
}
}
The following examples show the Resize Instance Volume responses:
Example 4.43. Resize the Instance Volume Response: XML
HTTP/1.1 202 Accepted Content-Type: application/xml Via: 1.1 Repose (Repose/2.6.7) Content-Length: 0 Date: Wed, 08 May 2013 22:43:36 GMT Server: Jetty(8.0.y.z-SNAPSHOT)
Example 4.44. Resize the Instance Volume Response: JSON
HTTP/1.1 202 Accepted Content-Type: application/json Via: 1.1 Repose (Repose/2.6.7) Content-Length: 0 Date: Wed, 08 May 2013 22:43:36 GMT Server: Jetty(8.0.y.z-SNAPSHOT)

![[Note]](/cdb-v1.0-cdb-devguide/common/images/admon/note.png)
