Version 2015-02-21

• 6/13/2018
• 2 minutes to read
• Contributors
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Version 2015-02-21 included these changes:

• A new blob type, the append blob, is now available. All writes to an append blob are added sequentially to the end of the blob, making it optimal for logging scenarios.

  Append blobs support an Append Block operation for adding blocks to the blob. Once a block is added with Append Block, it is immediately available to be read; no further commits are necessary. The block cannot be modified once it has been added.

• A number of new features are available for the Azure File service, including:

  • New operations on the File service, including Get File Service Properties, Set File Service Properties, and Preflight File Request. The Preflight File Request operation enables CORS support for Azure files.

  • A maximum size limit for a share, which can be specified when the share is created via Create Share, or which can be added or modified after the share has been created, via Set Share Properties.

  • Usage data for a file share, via the Get Share Stats operation.

  • Support for shared access signatures for shares and files.

  • New Get Share ACL and Set Share ACL operations, for managing shared access policies on a share.

  • New Get Directory Metadata and Set Directory Metadata operations.

  • New Copy File and Abort Copy File operations.

• When constructing the string-to-sign for a shared access signature for the Blob, Table, Queue, and File services, you must include the service name in the canonicalized resource portion of the string. See Constructing a Service SAS for more information.

• When constructing the string-to-sign, omit the value of the Content-Length header from the string-to-sign when that value is zero. See Authentication for the Azure Storage Services for more information.