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Abort Copy Blob

Updated: February 5, 2014

The Abort Copy Blob operation aborts a pending Copy Blob operation, and leaves a destination blob with zero length and full metadata. Version 2012-02-12 and newer.

Construct the Abort Copy Blob as follows. HTTPS is recommended. Replace myaccount with the name of your storage account, mycontainer with the name of your container, myblob with the name of your destination blob, and <id> with the copy identifier provided in the x-ms-copy-id header of the original Copy Blob operation:

 

PUT Method Request URI HTTP Version

https://myaccount.blob.core.windows.net/mycontainer/myblob?comp=copy&copyid=<id>

HTTP/1.1

When making a request against the local storage service, specify the local hostname and Blob service port as 127.0.0.1:10000, followed by the local storage account name:

 

PUT Method Request URI HTTP Version

http://127.0.0.1:10000/devstoreaccount1/mycontainer/myblob?comp=copy&copyid=<id>

HTTP/1.1

For more information, see Using the Azure Storage Emulator for Development and Testing.

The following additional parameters may be specified on the request URI.

 

Parameter Description

timeout

Optional. The timeout parameter is expressed in seconds. For more information, see Setting Timeouts for Blob Service Operations.

The following table describes required and optional request headers.

 

Request Header Description

Authorization

Required. Specifies the authentication scheme, account name, and signature. For more information, see Authentication for the Azure Storage Services.

Date or x-ms-date

Required. Specifies the Coordinated Universal Time (UTC) for the request. For more information, see Authentication for the Azure Storage Services.

x-ms-version

Required for all authenticated requests. For more information, see Versioning for the Azure Storage Services.

x-ms-lease-id:<ID>

Required if the destination blob has an active infinite lease.

x-ms-copy-action: abort

Required.

x-ms-client-request-id

Optional. Provides a client-generated, opaque value with a 1 KB character limit that is recorded in the analytics logs when storage analytics logging is enabled. Using this header is highly recommended for correlating client-side activities with requests received by the server. For more information, see About Storage Analytics Logging and Windows Azure Logging: Using Logs to Track Storage Requests.

The response includes an HTTP status code and a set of response headers.

A successful operation returns status code 204 (No Content).

For information about status codes, see Status and Error Codes.

The response for this operation includes the following headers. The response may also include additional standard HTTP headers. All standard headers conform to the HTTP/1.1 protocol specification.

 

Request Header Description

x-ms-request-id

This header uniquely identifies the request that was made and can be used for troubleshooting the request. For more information, see Troubleshooting API Operations.

x-ms-version

Indicates the version of the Blob service used to execute the request.

Date

A UTC date/time value generated by the service that indicates the time at which the response was initiated.

Only the account owner may call this operation.

When you abort a pending Copy Blob operation, the destination blob’s x-ms-copy-status header is set to aborted. Aborting a copy operation results in a destination blob of zero length for both block blobs and page blobs. However, the metadata for the destination blob will have the new values copied from the source blob or set explicitly in the Copy Blob operation call. To keep the original metadata from before the copy, make a snapshot of the destination blob before calling Copy Blob.

You can only abort a copy operation that is pending. Trying to abort a copy that has completed or failed results in 409 Conflict. Trying to abort a copy operation using an incorrect copy ID also results in 409 Conflict.

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