@Saha Welcome to Microsoft Q&A forum and thanks for reaching out here.
As per below document Microsoft recommends/supports using ZRS in the primary region for Azure Data Lake Storage Gen2 workloads. Whereas Customer-managed account failover is not yet supported in accounts that have a hierarchical namespace (Azure Data Lake Storage Gen2).
Related MS Documents:
I hope this info helps. If you have further questions, or if your ask/requirement is different than my understanding, please let me know with additional clarification about the use case scenario.
Thank you
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