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Copy file name to clipboardExpand all lines: articles/storage/blobs/data-lake-storage-known-issues.md
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ms.subservice: data-lake-storage-gen2
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ms.service: storage
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ms.topic: conceptual
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ms.date: 03/20/2020
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ms.date: 05/10/2020
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ms.author: normesta
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ms.reviewer: jamesbak
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---
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## Lifecycle management policies
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*The deletion of blob snapshots is not yet supported.
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The deletion of blob snapshots is not yet supported.
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## Archive Tier
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There is currently a bug that affects the archive access tier.
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## Blobfuse
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Blobfuse is not supported.
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If [anonymous read access](storage-manage-access-to-resources.md) has been granted to a container, then ACLs have no effect on that container or the files in that container.
- Data can't be moved from the premium tier to lower tiers.
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- The **Delete Blob** action is currently not supported.
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### HDInsight support
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When you create a n HDInsight cluster, you can't yet select a block blob storage account that has the hierarchical namespace feature enabled on it. However, you can attach the account to the cluster after you've created it.
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### Dremio support
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Dremio doesn't yet connect to a block blob storage account that has the hierarchical namespace feature enabled on it.
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## Windows Azure Storage Blob (WASB) driver (unsupported with Data Lake Storage Gen2)
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Currently, the WASB driver, which was designed to work with the Blob API only, encounters problems in a few common scenarios. Specifically, when it is a client to a hierarchical namespace-enabled storage account. Multi-protocol access on Data Lake Storage won't mitigate these issues.
Copy file name to clipboardExpand all lines: articles/storage/blobs/data-lake-storage-supported-blob-storage-features.md
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ms.subservice: data-lake-storage-gen2
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ms.service: storage
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ms.topic: conceptual
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ms.date: 04/03/2020
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ms.date: 05/10/2020
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ms.author: normesta
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ms.reviewer: stewu
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Blob Storage features such as [diagnostic logging](../common/storage-analytics-logging.md), [access tiers](storage-blob-storage-tiers.md), and [Blob Storage lifecycle management policies](storage-lifecycle-management-concepts.md) now work with accounts that have a hierarchical namespace. Therefore, you can enable hierarchical namespaces on your Blob storage accounts without losing access to these features.
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This table lists the Blob storage features that you can use with Azure Data Lake Storage Gen2. The items that appear in these tables will change over time as support continues to expand.
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This table lists the Blob storage features that you can use with Azure Data Lake Storage Gen2. The items that appear in these tables will change over time as support continues to expand. To learn more about specific issues associated with the preview status of a feature, see the [Known issues](data-lake-storage-known-issues.md) article.
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## Supported Blob storage features
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> [!NOTE]
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> Support level refers only to how the feature is supported with Data Lake Storage Gen2.
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> Support level refers only to how the feature is supported with Data Lake Storage Gen2.
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>
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> [Premium-performance block blob storage accounts](storage-blob-create-account-block-blob.md) for Data Lake Storage Gen2 are currently in public preview. Support-levels for these types of accounts appear in the **Premium block blob storage accounts** column.
|Metrics in Azure Monitor|Generally available|[Azure Storage metrics in Azure Monitor](../common/storage-metrics-in-azure-monitor.md?toc=%2fazure%2fstorage%2fblobs%2ftoc.json)|
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|Blob storage PowerShell commands|Generally available|[Quickstart: Upload, download, and list blobs with PowerShell](storage-quickstart-blobs-powershell.md)|
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|Blob storage Azure CLI commands|Generally available|[Quickstart: Create, download, and list blobs with Azure CLI](storage-quickstart-blobs-cli.md)|
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|Blob storage APIs|Generally available|[Quickstart: Azure Blob storage client library v12 for .NET](storage-quickstart-blobs-dotnet.md)<br>[Quickstart: Manage blobs with Java v12 SDK](storage-quickstart-blobs-java.md)<br>[Quickstart: Manage blobs with Python v12 SDK](storage-quickstart-blobs-python.md)<br>[Quickstart: Manage blobs with JavaScript v12 SDK in Node.js](storage-quickstart-blobs-nodejs.md)|
|Metrics in Azure Monitor|Generally available|Preview|[Azure Storage metrics in Azure Monitor](../common/storage-metrics-in-azure-monitor.md?toc=%2fazure%2fstorage%2fblobs%2ftoc.json)|
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|Blob storage PowerShell commands|Generally available|Preview|[Quickstart: Upload, download, and list blobs with PowerShell](storage-quickstart-blobs-powershell.md)|
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|Blob storage Azure CLI commands|Generally available|Preview|[Quickstart: Create, download, and list blobs with Azure CLI](storage-quickstart-blobs-cli.md)|
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|Blob storage APIs|Generally available|Preview|[Quickstart: Azure Blob storage client library v12 for .NET](storage-quickstart-blobs-dotnet.md)<br>[Quickstart: Manage blobs with Java v12 SDK](storage-quickstart-blobs-java.md)<br>[Quickstart: Manage blobs with Python v12 SDK](storage-quickstart-blobs-python.md)<br>[Quickstart: Manage blobs with JavaScript v12 SDK in Node.js](storage-quickstart-blobs-nodejs.md)|
|Logging in Azure Monitor|Not yet supported|Not yet supported|Not yet available|
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<divid="diagnostic-logging"><sup>1</sup>For premium block blob storage accounts, diagnostic logs (classic) can't be enabled by using the Azure portal. Enable them by using PowerShell.</div>
Copy file name to clipboardExpand all lines: articles/storage/blobs/storage-blob-create-account-block-blob.md
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ms.service: storage
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ms.topic: conceptual
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ms.date: 03/23/2019
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ms.date: 05/10/2020
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ms.author: tamram
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ms.subservice: blobs
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The BlockBlobStorage account kind lets you create block blobs with premium performance characteristics. This type of storage account is optimized for workloads with high transactions rates or that require very fast access times. This article shows how to create a BlockBlobStorage account by using the Azure portal, the Azure CLI, or Azure PowerShell.
> The hierarchical namespace feature in a block blob storage account is in public preview, and is available in the US East, US East 2, US Central, US South Central, US West 2, UK South, Canada Central and Australia East regions. To review limitations, see [Blob storage features available in Azure Data Lake Storage Gen2](data-lake-storage-supported-blob-storage-features.md) and [Known issues](data-lake-storage-known-issues.md). To enroll in the preview, see [this form](https://aka.ms/adlspremiumonboard).
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For more information about BlockBlobStorage accounts, see [Azure storage account overview](https://docs.microsoft.com/azure/storage/common/storage-account-overview).
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1. In the Azure portal, select **All services** > the **Storage** category > **Storage accounts**.
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1. Under **Storage accounts**, select **Add**.
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2. Under **Storage accounts**, select **Add**.
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1. In the **Subscription** field, select the subscription in which to create the storage account.
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3. In the **Subscription** field, select the subscription in which to create the storage account.
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1. In the **Resource group** field, select an existing resource group or select **Create new**, and enter a name for the new resource group.
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4. In the **Resource group** field, select an existing resource group or select **Create new**, and enter a name for the new resource group.
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1. In the **Storage account name** field, enter a name for the account. Note the following guidelines:
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5. In the **Storage account name** field, enter a name for the account. Note the following guidelines:
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- The name must be unique across Azure.
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- The name must be between three and 24 characters long.
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- The name can include only numbers and lowercase letters.
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1. In the **Location** field, select a location for the storage account, or use the default location.
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6. In the **Location** field, select a location for the storage account, or use the default location.
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1. For the rest of the settings, configure the following:
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7. For the rest of the settings, configure the following:
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|Field |Value |
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|---------|---------|
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1. Select **Review + create**to review the storage account settings.
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8. Choose the **Advanced**tab.
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1. Select **Create**.
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9. If you want to optimize your storage account for data analytics, then set **Hierarchical namespace** to **Enabled**. Otherwise, leave this option set to it's default value.
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## [Azure Powershell](#tab/azure-powershell)
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To learn more, see [Introduction to Azure Data Lake Storage Gen2](data-lake-storage-introduction.md).
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> [!NOTE]
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> The hierarchical namespace feature in a block blob storage account is in public preview, and is available in the US East, US East 2, US Central, US South Central, US West 2, UK South, Canada Central and Australia East regions. To review limitations, see [Blob storage features available in Azure Data Lake Storage Gen2](data-lake-storage-supported-blob-storage-features.md) and [Known issues](data-lake-storage-known-issues.md). To enroll in the preview, see [this form](https://aka.ms/adlspremiumonboard).
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8. Select **Review + create** to review the storage account settings.
If you want to optimize your storage account for data analytics, then add `-EnableHierarchicalNamespace $True` to the command. To learn more, see [Introduction to Azure Data Lake Storage Gen2](data-lake-storage-introduction.md).
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> [!NOTE]
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> The hierarchical namespace feature in a block blob storage account is in public preview, and is available in the US East, US East 2, US Central, US South Central, US West 2, UK South, Canada Central and Australia East regions. To review limitations, see [Blob storage features available in Azure Data Lake Storage Gen2](data-lake-storage-supported-blob-storage-features.md) and [Known issues](data-lake-storage-known-issues.md). To enroll in the preview, see [this form](https://aka.ms/adlspremiumonboard).
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## [Azure CLI](#tab/azure-cli)
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az login
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```
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1. If needed, create a new resource group. Replace the values in brackets (including the brackets), and run the following command.
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2. If needed, create a new resource group. Replace the values in brackets (including the brackets), and run the following command.
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```azurecli
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az group create \
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--name "<new_resource_group_name>" \
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--location "<location>"
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```
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1. Create the BlockBlobStorage account. Replace the values in brackets (including the brackets), and run the following command.
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3. Create the BlockBlobStorage account. Replace the values in brackets (including the brackets), and run the following command.
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```azurecli
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az storage account create \
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--sku "Premium_LRS"
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```
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If you want to optimize your storage account for data analytics, then add `--hierarchical-namespace true` to the command. To learn more, see [Introduction to Azure Data Lake Storage Gen2](data-lake-storage-introduction.md).
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> [!NOTE]
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> The hierarchical namespace feature in a block blob storage account is in public preview, and is available in the US East, US East 2, US Central, US South Central, US West 2, UK South, Canada Central and Australia East regions. To review limitations, see [Blob storage features available in Azure Data Lake Storage Gen2](data-lake-storage-supported-blob-storage-features.md) and [Known issues](data-lake-storage-known-issues.md). To enroll in the preview, see [this form](https://aka.ms/adlspremiumonboard).
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