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Copy file name to clipboardExpand all lines: articles/azure-functions/storage-considerations.md
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@@ -26,7 +26,7 @@ Azure Functions requires an Azure Storage account when you create a function app
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You must strongly consider the following facts regarding the storage accounts used by your function apps:
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- When your function app is hosted on the Consumption plan or Premium plan, your function code and configuration files are stored in Azure Files in the linked storage account. When you delete this storage account, the content is deleted and can't be recovered. For more information, see [Storage account was deleted](functions-recover-storage-account.md#storage-account-was-deleted)
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- When your function app is hosted on the Consumption plan or Premium plan, your function code and configuration files are stored in Azure Files in the linked storage account. When you delete this storage account, the content is deleted and can't be recovered. For more information, see [Storage account was deleted](functions-recover-storage-account.md#storage-account-was-deleted).
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- Important data, such as function code, [access keys](function-keys-how-to.md), and other important service-related data, can be persisted in the storage account. You must carefully manage access to the storage accounts used by function apps in the following ways:
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@@ -46,15 +46,15 @@ Storage accounts created as part of the function app create flow in the Azure po
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- When you create your function app on a plan with [availability zone support](../reliability/reliability-functions.md#availability-zone-support) enabled, only [zone-redundant storage accounts](../storage/common/storage-redundancy.md#zone-redundant-storage) are supported.
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When using deployment automation to create your function app with a network-secured storage account, you must include specific networking configurations in your ARM template or Bicep file. When you don't include these settings and resources, your automated deployment might fail in validation. For ARM and Bicep guidance, see [Secured deployments](functions-infrastructure-as-code.md#secured-deployments). For an overview on configuring storage accounts with networking, see [How to use a secured storage account with Azure Functions](configure-networking-how-to.md).
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When you use deployment automation to create your function app with a network-secured storage account, you must include specific networking configurations in your ARM template or Bicep file. When you don't include these settings and resources, your automated deployment might fail in validation. For ARM and Bicep guidance, see [Secured deployments](functions-infrastructure-as-code.md#secured-deployments). For an overview on configuring storage accounts with networking, see [How to use a secured storage account with Azure Functions](configure-networking-how-to.md).
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## Storage account guidance
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Every function app requires a storage account to operate. When that account is deleted, your function app no longer runs. To troubleshoot storage-related issues, see [How to troubleshoot storage-related issues](functions-recover-storage-account.md). The following other considerations apply to the Storage account used by function apps.
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### Storage account location
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For best performance, your function app should use a storage account in the same region, which reduces latency. The Azure portal enforces this best practice. If for some reason you need to use a storage account in a region different than your function app, you must create your function app outside of the portal.
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For best performance, your function app should use a storage account in the same region, which reduces latency. The Azure portal enforces this best practice. If for some reason you need to use a storage account in a region different than your function app, you must create your function app outside of the Azure portal.
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The storage account must be accessible to the function app. If you need to use a secured storage account, consider [restricting your storage account to a virtual network](./functions-networking-options.md#restrict-your-storage-account-to-a-virtual-network).
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