@Bachar Bader Thank you for reaching out to Microsoft Q&A. I understand that you are having questions regarding Azure Premium file shares high availability.
The current options are:
Option #1: Configure the storage account to use LRS replication and use a script to sync between storage accounts in different regions.
Option #2: Use Azure File Sync to sync the data to a secondary region as covered in the following blog post: https://azure.microsoft.com/en-us/blog/azure-files-enhances-data-protection-capabilities/
Option #3: Configure the storage account to use ZRS replication (if available in the region).
Since ZRS is not available for US Central, you can utilize the first 2 options. Hope that helps.
Please let us know if you have any more questions and we will be glad to assist you further. Thank you!
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