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DescribeFileCaches - Amazon FSx
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DescribeFileCaches

Returns the description of a specific Amazon File Cache resource, if a FileCacheIds value is provided for that cache. Otherwise, it returns descriptions of all caches owned by your AWS account in the AWS Region of the endpoint that you're calling.

When retrieving all cache descriptions, you can optionally specify the MaxResults parameter to limit the number of descriptions in a response. If more cache descriptions remain, the operation returns a NextToken value in the response. In this case, send a later request with the NextToken request parameter set to the value of NextToken from the last response.

This operation is used in an iterative process to retrieve a list of your cache descriptions. DescribeFileCaches is called first without a NextTokenvalue. Then the operation continues to be called with the NextToken parameter set to the value of the last NextToken value until a response has no NextToken.

When using this operation, keep the following in mind:

  • The implementation might return fewer than MaxResults cache descriptions while still including a NextToken value.

  • The order of caches returned in the response of one DescribeFileCaches call and the order of caches returned across the responses of a multicall iteration is unspecified.

Request Syntax

{ "FileCacheIds": [ "string" ], "MaxResults": number, "NextToken": "string" }

Request Parameters

For information about the parameters that are common to all actions, see Common Parameters.

The request accepts the following data in JSON format.

FileCacheIds

IDs of the caches whose descriptions you want to retrieve (String).

Type: Array of strings

Array Members: Maximum number of 50 items.

Length Constraints: Minimum length of 11. Maximum length of 21.

Pattern: ^(fc-[0-9a-f]{8,})$

Required: No

MaxResults

The maximum number of resources to return in the response. This value must be an integer greater than zero.

Type: Integer

Valid Range: Minimum value of 1. Maximum value of 2147483647.

Required: No

NextToken

(Optional) Opaque pagination token returned from a previous operation (String). If present, this token indicates from what point you can continue processing the request, where the previous NextToken value left off.

Type: String

Length Constraints: Minimum length of 1. Maximum length of 255.

Pattern: ^(?:[A-Za-z0-9+\/]{4})*(?:[A-Za-z0-9+\/]{2}==|[A-Za-z0-9+\/]{3}=)?$

Required: No

Response Syntax

{ "FileCaches": [ { "CreationTime": number, "DataRepositoryAssociationIds": [ "string" ], "DNSName": "string", "FailureDetails": { "Message": "string" }, "FileCacheId": "string", "FileCacheType": "string", "FileCacheTypeVersion": "string", "KmsKeyId": "string", "Lifecycle": "string", "LustreConfiguration": { "DeploymentType": "string", "LogConfiguration": { "Destination": "string", "Level": "string" }, "MetadataConfiguration": { "StorageCapacity": number }, "MountName": "string", "PerUnitStorageThroughput": number, "WeeklyMaintenanceStartTime": "string" }, "NetworkInterfaceIds": [ "string" ], "OwnerId": "string", "ResourceARN": "string", "StorageCapacity": number, "SubnetIds": [ "string" ], "VpcId": "string" } ], "NextToken": "string" }

Response Elements

If the action is successful, the service sends back an HTTP 200 response.

The following data is returned in JSON format by the service.

FileCaches

The response object for the DescribeFileCaches operation.

Type: Array of FileCache objects

Array Members: Maximum number of 50 items.

NextToken

(Optional) Opaque pagination token returned from a previous operation (String). If present, this token indicates from what point you can continue processing the request, where the previous NextToken value left off.

Type: String

Length Constraints: Minimum length of 1. Maximum length of 255.

Pattern: ^(?:[A-Za-z0-9+\/]{4})*(?:[A-Za-z0-9+\/]{2}==|[A-Za-z0-9+\/]{3}=)?$

Errors

For information about the errors that are common to all actions, see Common Errors.

BadRequest

A generic error indicating a failure with a client request.

HTTP Status Code: 400

FileCacheNotFound

No caches were found based upon supplied parameters.

HTTP Status Code: 400

InternalServerError

A generic error indicating a server-side failure.

HTTP Status Code: 500

See Also

For more information about using this API in one of the language-specific AWS SDKs, see the following:

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