You can use the RollbackToSnapshot method to make an existing snapshot of the active volume image. This method creates a new snapshot from an existing snapshot.
This method has the following input parameters:
Name | Description | Type | Default value | Required |
---|---|---|---|---|
volumeID | VolumeID for the volume. | integer | None | Yes |
attributes | List of name-value pairs in JSON object format. | JSON attributes | None | No |
name | Name for the snapshot. If no name is given, the name of the snapshot being rolled back to is used with "- copy" appended to the end of the name. | string | None | No |
snapshotID | ID of a previously created snapshot on the given volume. | integer | None | Yes |
saveCurrentState | Specifies whether to save previous active volume image or not. Valid values:
|
boolean | false | No |
This method has the following return values:
Name | Description | Type |
---|---|---|
checksum | A small string representation of the data in the stored snapshot. | string |
snapshotID | If saveCurrentState was set to false, this value is null. If saveCurrentState was set to true, the unique ID of the newly created snapshot. |
integer |
snapshot | If saveCurrentState was set to false, this value is null. If saveCurrentState was set to true, an object containing information about the newly created snapshot. |
snapshot |
Requests for this method are similar to the following example:
{ "method": "RollbackToSnapshot", "params": { "volumeID": 1, "snapshotID": 3114, "saveCurrentState": true }, "id": 1 }
This method returns a response similar to the following example:
{ "id": 1, "result": { "checksum": "0x0", "snapshot": { "attributes": {}, "checksum": "0x0", "createTime": "2016-04-04T17:27:32Z", "enableRemoteReplication": false, "expirationReason": "None", "expirationTime": null, "groupID": 0, "groupSnapshotUUID": "00000000-0000-0000-0000-000000000000", "name": "test1-copy", "snapshotID": 1, "snapshotUUID": "30d7e3fe-0570-4d94-a8d5-3cc8097a6bfb", "status": "done", "totalSize": 5000658944, "virtualVolumeID": null, "volumeID": 1 }, "snapshotID": 1 } }
9.6