Merge pull request #123693 from sanpil/patch-2

Update service-overview.md

Author: Court72

articles/storage-mover/service-overview.md

@@ -60,6 +60,16 @@ The [resource hierarchy article](resource-hierarchy.md) has more information abo
 
 [!INCLUDE [hybrid-service-explanation](includes/hybrid-service-explanation.md)]
 
+## Using Azure Storage Mover and Azure Data Box
+
+When transitioning on-premises workloads to Azure Storage, reducing downtime and ensuring predictable periods of unavailability is crucial for users and business operations. For the initial bulk migration, you can use [Azure Data Box](https://learn.microsoft.com/azure/databox/) and combine it with Azure Storage Mover for online catch-up.
+
+Using Azure Data Box conserves significant network bandwidth. However, active workloads on your source storage might undergo changes while the Data Box is in transit to an Azure Data Center. The "online catch-up" phase involves updating your cloud storage with these changes before fully cutting over the workload to use the cloud data. This typically requires minimal bandwidth since most data already resides in Azure, and only the delta needs to be transferred. Azure Storage Mover excels in this task.
+
+Azure Storage Mover detects differences between your on-premises storage and cloud storage, transferring updates and new files not captured by the Data Box transfer. Additionally, if only a file's metadata (such as permissions) has changed, Azure Storage Mover uploads just the new metadata instead of the entire file content.
+
+Read more details on how to use Azure Storage Mover with Azure Data Box [here](https://techcommunity.microsoft.com/t5/azure-storage-blog/storage-migration-combine-azure-storage-mover-and-azure-data-box/ba-p/4143354).
+
 ## Next steps
 
 The following articles can help you become more familiar with the Storage Mover service.