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Copy file name to clipboardExpand all lines: articles/storage/files/files-redundancy.md
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@@ -4,7 +4,7 @@ description: Understand the data redundancy options available in Azure file shar
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author: khdownie
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ms.service: azure-file-storage
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ms.topic: concept-article
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ms.date: 03/27/2025
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ms.date: 05/20/2025
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ms.author: kendownie
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ms.custom: references_regions
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---
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The following items might impact your ability to fail over to the secondary region:
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- Storage account failover is blocked if a system snapshot doesn't exist in the secondary region.
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- Storage account failover is blocked if the storage account contains more than 100,000 file shares. To failover the storage account, open a support request.
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- Storage account failover is blocked if the storage account contains more than 100,000 file shares. To fail over the storage account, open a support request.
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- File handles and leases aren't retained on failover, and clients must unmount and remount the file shares.
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- File share quota might change after failover. The file share quota in the secondary region will be based on the quota that was configured when the system snapshot was taken in the primary region.
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- Copy operations in progress are aborted when a failover occurs. When the failover to the secondary region completes, retry the copy operation.
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To failover a storage account, see [initiate an account failover](../common/storage-initiate-account-failover.md).
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To fail over a storage account, see [initiate an account failover](../common/storage-initiate-account-failover.md).
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### Geo-redundancy for SSD file shares
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For pricing information for each redundancy option, see [Azure Files pricing](https://azure.microsoft.com/pricing/details/storage/files/).
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## Region supportability based on different billing models
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You can verify region supportability for various billing models using the following commands.
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# [Portal](#tab/azure-portal)
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To view region supportability based on different billing models, use Azure PowerShell or Azure CLI.
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# [PowerShell](#tab/azure-powershell)
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```powershell
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# Login to Azure account
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Connect-AzAccount
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# Track down the subscription ID in GUID format
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$subscriptionID = "your-subscription-id-number"
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# Get Token
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$token = Get-AzAccessToken
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# Invoke SRP list SKU API, and get the returned SKU list
To view the settings and service usage for the Provisiond V2 storage account, use the following command.
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To view the settings and service usage for the Provisioned V2 storage account, use the following command.
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```bash
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az storage account file-service-usage --account-name $storageAccountName -g $resourceGroupName
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```
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# [Azure CLI](#tab/azure-cli)
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You can create an Provisioned v2 Azure file share with [`az storage share-rm create`](/cli/azure/storage/share-rm#az-storage-share-rm-create) command. The following PowerShell commands assume you set the variables `resourceGroupName` and `storageAccountName` as defined in the creating a storage account with Azure CLI section.
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You can create a Provisioned v2 Azure file share with [`az storage share-rm create`](/cli/azure/storage/share-rm#az-storage-share-rm-create) command. The following PowerShell commands assume you set the variables `resourceGroupName` and `storageAccountName` as defined in the creating a storage account with Azure CLI section.
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To create a provisioned v2 file share, use the following command. Remember to replace the values for the variables `shareName`, `provisionedStorageGib` with the desired selections for your file share deployment.
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## Region supportability base on different billing models
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You can verify region supportability for various billing models using the following commands.
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# [Portal](#tab/azure-portal)
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To view region supportability based on different billing models, use Azure PowerShell or Azure CLI.
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# [PowerShell](#tab/azure-powershell)
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```powershell
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# Login to Azure account
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Connect-AzAccount
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# Track down the subscription ID in GUID format
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$subscriptionID = "your-subscription-id-number"
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# Get Token
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$token = Get-AzAccessToken
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# Invoke SRP list SKU API, and get the returned SKU list
-[Planning for an Azure Files deployment](storage-files-planning.md) or [Planning for an Azure File Sync deployment](../file-sync/file-sync-planning.md).
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