Changing DB Instance Volume¶
Function¶
This API is used to change the DB instance volume.
URI¶
URI format
PATH: /v1.0/{project_id}/instances/{instanceId}/action
Method: POST
Parameter description
Table 1 Parameter description¶ Name
Mandatory
Description
project_id
Yes
Specifies the project ID of a tenant in a region.
instanceId
Yes
Specifies the DB instance ID.
Restrictions
The adjusted volume size must be greater than the original one and the desired volume size must be a multiple of 10.
The sizes of the primary and standby DB instances are the same. When you scale the primary DB instance, its standby DB instance is also scaled.
The DB instances can be scaled when they are in the Available state.
Currently, only the DB engines MySQL and PostgreSQL are supported by the API.
Request¶
Parameter description
Table 2 Parameter description¶ Name
Type
Description
resize
Dictionary data structure. For details, see Table 3.
Specifies the information about the returned parameter volume.
Table 3 resize field data structure description¶ Name
Type
Description
volume
Dictionary data structure. For details, see Table 4.
Specifies the information about the returned parameter size.
Table 4 volume field data structure description¶ Name
Type
Description
size
Int
Specifies the volume size after scaling up. The value must a multiple of 10.
Its value range is from 50 GB to 4000 GB.
Request example
{ "resize": { "volume": { "size": 400 } } }
Normal Response¶
None
Abnormal Response¶
For details, see Abnormal Request Results.