Windows Azure Storage Architecture Overview

  Update 1-2-2012:  See the new post on Windows Azure Storage: A Highly Available Cloud Storage Service with Strong Consistency , which gives a much more detailed and up to date description of the Windows Azure Storage Architecture.   In this posting we provide an overview of the Windows Azure Storage architecture to give some…

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ERROR_UNSUPPORTED_OS seen with Windows Azure Drives

When running in the cloud, a few customers have reported that CloudDrive.InitializeCache() and CloudDrive.Mount() occasionally fail with ERROR_UNSUPPORTED_OS when running with SDK 1.3.   This error can occur when your service calls a CloudDrive API before the Azure CloudDrive service has been started by the operating system. In older versions of the SDK, your application was…

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Page Blob Writes in Windows Azure Storage Client Library does not support Streams with non-zero Position

Update 3/09/011:  The bug is fixed in the Windows Azure SDK March 2011 release. The current Windows Azure Storage Client Library does not support passing in a stream to CloudPageBlob.[Begin]WritePages where the stream position is a non-zero value. In such a scenario the Storage Client Library will incorrectly calculate the size of the data range…

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