“Do applications need to backup data in Windows Azure Storage if Windows Azure Storage already stores multiple replicas of the data?” For business continuity, it can be important to protect the data against errors in the application, which may erroneously...

The issue is resolved in the Windows Azure SDK 1.3 release which can be downloaded here . We recently found that there is a bug in our SaveChangesWithRetries method that takes in the SaveChangesOptions in our Storage Client Library. public DataServiceResponse...

This post refers to the Storage Client Library shipped in SDK 1.2. Windows Azure SDK 1.3 provides additional Page Blob functionality via the CloudPageBlob class. The current release can be downloaded here . We introduced Page Blobs at PDC 2009 as a...

The issue is resolved in the Windows Azure SDK 1.3 release which can be downloaded here . We recently came across a bug in the StorageClient library i n which WritePages fails on retries because the stream is not reset to the beginning before a retry...

Update 3/09/011: The bug is fixed in the Windows Azure SDK March 2011 release . Summary There is an issue in the Windows Azure Storage Client Library that can lead to unexpected behavior when utilizing the CloudBlob.DownloadToFile() methods . ...

We recently released an update to the Storage Client library in SDK 1.3 . We wanted to take this opportunity to go over some breaking changes that we have introduced and also list some of the bugs we have fixed (compatible changes) in this release. ...

Update: You can now configure your logging and metrics via the portal as described here . Windows Azure Storage Analytics offers you the ability to track, analyze, and debug your usage of storage(Blobs, Tables and Queues). You can use this data...

The release of Guest OS 1.4 contains an update to .NET 3.5 SP1 which contains some bug fixes to WCF Data Services. We have received some feedback on backward compatibility issues in Windows Azure Tables with respect to the WCF Data Services update. The...

The issues are resolved in the Windows Azure SDK 1.3 release which can be downloaded here . 1. Application crashes with unhandled NullReferenceException that is raised on a callback thread Storage Client uses a timer object to keep track of timeouts...

We are very excited to release multiple improvements to Windows Azure Storage. These include price reductions, new manageability features, and new service features for Windows Azure Blobs, Tables, and Queues. Jai Haridas will be presenting these features...

We recently published a paper describing the internal details of Windows Azure Storage at the 23 rd ACM Symposium on Operating Systems Principles (SOSP) . The paper can be found here . The conference also posted a video of the talk here , and the slides...

This blog post serves as an overview to the recently released Windows Azure Storage Client for Java which includes support for the Azure Table Service . Azure Tables is a NoSQL datastore. For detailed information on the Azure Tables data model, see the...

We released the Storage Client for Java with support for Windows Azure Blobs, Queues, and Tables. Our goal is to continue to improve the development experience when writing cloud applications using Windows Azure Storage. This release is a Community Technology...

One of the blob types supported by Windows Azure Storage is the Page Blob. Page Blobs provide efficient storage of sparse data by physically storing only pages that have been written and not cleared. Each page is 512 bytes in size. The Get Page Ranges...

Windows Azure Drive is in Preview, and we have identified an issue with the CloudDrive::Mount() API where it will take 5 to 20 minutes to mount a drive that contains millions of files.  In these cases, the majority of time used by CloudDrive::Mount...

Windows Azure Drive is in Preview, and we recently identified a timing bug in the CloudDrive Client Library (SDK 1.6 and earlier) which can cause your CloudDrive to be accidentally deleted when you call ‘Create()’ or ‘CreateIfNotExist()’ on an existing...

Description and Symptoms We have identified an issue that would affect services using Windows Azure Tables whenever the percent character ‘%’ appears as part of the PartitionKey or RowKey. The affected APIs are GET entity, Merge Entity, Update Entity...

This blog applies to the 2011-08-18 storage version or earlier of the Copy Blob API and the Windows Azure Storage Client Library version 1.6. Two separate problems are discussed in this blog: Over REST, the service expects the ‘+’ character appearing...

We heard you loud and clear that you want cheaper transaction costs for Windows Azure Blobs, Tables, Queues, and Drives. We are therefore very pleased today to slash transaction prices 10 fold for Windows Azure Storage and CDN. This means that it now...

We are excited to announce several new storage features available on the Windows Azure Portal. With the updated Portal you have the ability to choose the level of redundancy for your storage, enable/disable and configure both Metrics and Logging, and...

We are excited to offer two types of redundant storage for Windows Azure: Locally Redundant Storage and Geo Redundant Storage. Locally Redundant Storage (LRS) provides highly durable and available storage within a single location (sub region). We maintain...

We are excited to introduce some new features with the Lease Blob API with the 2012-02-12 version of Windows Azure Blob Storage service. The 2012-02-12 version also includes some versioned changes. This blog post covers the new features and changes as...

We have released the Storage Client for Java with support for Windows Azure Blobs, Queues, and Tables. Our goal is to continue to improve the development experience when writing cloud applications using Windows Azure Storage. As such, we have incorporated...

We are excited to release geo-replication and a new version of the REST API to enable functionality improvements for Windows Azure Blobs, Tables, and Queues. At this time we are now geo-replicating all Windows Azure Blob and Table data, at no additional...

Update: We have now released a fix for this issue.  The download blob methods in this version throw an IOException if the connection is closed while downloading the blob, which is the same behavior seen in versions 1.4 and earlier of the StorageClient...