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:UpdateEnterpriseSnapshotPolicy

Last Updated:Jul 08, 2026

Modifies the configuration of an enterprise-level snapshot policy.

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RAM authorization

The table below describes the authorization required to call this API. You can define it in a Resource Access Management (RAM) policy. The table's columns are detailed below:

  • Action: The actions can be used in the Action element of RAM permission policy statements to grant permissions to perform the operation.

  • API: The API that you can call to perform the action.

  • Access level: The predefined level of access granted for each API. Valid values: create, list, get, update, and delete.

  • Resource type: The type of the resource that supports authorization to perform the action. It indicates if the action supports resource-level permission. The specified resource must be compatible with the action. Otherwise, the policy will be ineffective.

    • For APIs with resource-level permissions, required resource types are marked with an asterisk (*). Specify the corresponding Alibaba Cloud Resource Name (ARN) in the Resource element of the policy.

    • For APIs without resource-level permissions, it is shown as All Resources. Use an asterisk (*) in the Resource element of the policy.

  • Condition key: The condition keys defined by the service. The key allows for granular control, applying to either actions alone or actions associated with specific resources. In addition to service-specific condition keys, Alibaba Cloud provides a set of common condition keys applicable across all RAM-supported services.

  • Dependent action: The dependent actions required to run the action. To complete the action, the RAM user or the RAM role must have the permissions to perform all dependent actions.

Action

Access level

Resource type

Condition key

Dependent action

ebs:UpdateEnterpriseSnapshotPolicy

update

*EnterpriseSnapshotPolicy

acs:ebs:{#regionId}:{#accountId}:enterprisesnapshotpolicy/{#EnterpriseSnapshotPolicyId}

None None

Request parameters

Parameter

Type

Required

Description

Example

RegionId

string

Yes

The region ID. You can call DescribeRegions to query the most recent region list.

cn-hangzhou

PolicyId

string

Yes

The snapshot policy ID.

esp-xxx

Name

string

No

The ID of the policy to modify.

xxx

State

string

No

The status of the snapshot policy. Valid values:

  • ENABLED

  • DISABLED

Valid values:

  • DISABLED :

    DISABLED

  • ENABLED :

    ENABLED

ENABLED

Desc

string

No

The description of the snapshot policy.

xxx

Schedule

object

No

The schedule rule.

CronExpression

string

Yes

The execution cycle and time of the policy. A cron expression is used.

For example, 0 0 4 1/1 * ? specifies that the snapshot operation is performed at 04:00 every day, starting from the first day of each month.

0 0 */24 * * *

RetainRule

object

No

The retention rule.

Number

integer

No

The number of snapshots to retain. Valid values: 1 to 256.

10

TimeInterval

integer

No

The time interval of the retention rule. The unit is specified by the TimeUnit parameter. The value must be greater than 1.

14

TimeUnit

string

No

The unit of the retention time. Valid values:

  • DAYS

  • WEEKS

Valid values:

  • WEEKS :

    WEEKS

  • DAYS :

    DAYS

DAYS

SpecialRetainRules

object

No

The special retention rules.

Enabled

boolean

No

Specifies whether to enable special retention. Valid values:

  • true

  • false

Valid values:

  • true :

    true

  • false :

    false

false

Rules

array<object>

No

The list of special retention rules. Multiple rules are supported.

object

No

The special retention rules.

SpecialPeriodUnit

string

No

The period unit for special retention snapshots. For example, if this parameter is set to WEEKS, the first snapshot of each week is given special retention. The retention duration is determined by the TimeUnit and TimeInterval parameters. Valid values:

  • WEEKS

  • MONTHS

  • YEARS

Valid values:

  • MONTHS :

    MONTHS

  • YEARS :

    YEARS

  • WEEKS :

    WEEKS

WEEKS

TimeInterval

integer

No

The time interval of the retention rule. The unit is specified by the TimeUnit parameter. The value must be greater than 1.

30

TimeUnit

string

No

The unit of the retention time for special snapshots. Valid values:

  • DAYS

  • WEEKS

Valid values:

  • WEEKS :

    WEEKS

  • DAYS :

    DAYS

DAYS

CrossRegionCopyInfo

object

No

The cross-region copy destination information.

Enabled

boolean

No

Specifies whether to enable cross-region replication. Valid values:

  • true

  • false

Valid values:

  • true :

    true

  • false :

    false

false

Regions

array<object>

No

The destination region information.

object

No

The copy destination region information.

RegionId

string

No

The destination region ID for snapshot replication. You can call DescribeDiskReplicaPairs to query the region information of existing asynchronous replication relationships.

cn-hangzhou

RetainDays

integer

No

The number of days to retain snapshots in the destination region. The value must be greater than 1.

7

ClientToken

string

No

Ensures the idempotence of the request. Generate a parameter value from your client to ensure that the value is unique across different requests. The ClientToken value supports only ASCII characters and cannot exceed 64 characters in length. For more information, see How to ensure idempotence.

123e4567-e89b-12d3-a456-42665544****

StorageRule

object

No

The advanced snapshot feature.

EnableImmediateAccess

boolean

No

Specifies whether to enable instant access for snapshots. Valid values:

  • true

  • false

Valid values:

  • true :

    true

  • false :

    false

false

Response elements

Element

Type

Description

Example

object

The response.

RequestId

string

The request ID.

FED145A8-7D5F-5C60-B054-4EB2899A5996

Examples

Success response

JSON format

{
  "RequestId": "FED145A8-7D5F-5C60-B054-4EB2899A5996"
}

Error codes

HTTP status code

Error code

Error message

Description

400 InvalidParameter The parameter %s is invalid. The specified parameter value is invalid.
400 InvalidParameter.Conflict The specified parameter %s and %s are not blank at the same time.
400 InvalidParameter.Format Specified parameter format is not valid. english description
400 MissingParameter The input parameter %s that is mandatory for processing this request is not supplied. The parameter must be specified.
500 InternalError The request processing has failed due to some unknown error, exception or failure. An internal error has occurred.
403 Forbidden User is not authorized to operate. You are not authorized to manage the resource. Check the account permissions or contact the Alibaba Cloud account.
403 Forbidden.Action User is not authorized to operate this action. You are not authorized to perform this operation. Check the account permissions or contact the Alibaba Cloud account.
403 InvalidAccountStatus.NotEnoughBalance Your account does not have enough balance.
403 LastTokenProcessing The last token request is processing. The value of clientToken is used in another request that is being processed. Try again later.
403 NoPermission.SLR The RAM user does not have the permission to create service linked role: AliyunServiceLinkedRoleForEBS. You are not authorized to create service-linked roles.
403 OperationDenied The operation is not allowed. The operation is not supported.
404 InvalidApi.NotFound Specified api is not found, please check your url and method.
404 NoSuchResource The specified resource does not exist. The specified resource does not exist.
504 RequestTimeout The request is timeout, please try again later. The request has timed out. Try again later.

See Error Codes for a complete list.

Release notes

See Release Notes for a complete list.