@Ben Eady Thanks for reaching out. We do not currently offer Disaster Recovery for Azure Health Data Service. We could not carry the feature over from Azure API for FHIR as that uses a CosmosDB backend and Azure Health Data Service uses a SQL backend. There is additional work that has not yet been prioritized to bring Disaster Recovery to Azure Health Data Service.
you can leave your feedback at Azure API for FHIR and let me know incase of further queries.
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