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        "title": "Choose a File Sync share-migration branch from the actual cloud-tiering state",
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        "content_html": "<h2>Source facts</h2>\n<p>Microsoft separates File Sync share migration into procedures for cloud tiering being off or on. With tiering on, the guide copies data inside Azure to avoid unnecessary recalls through the source and says cutover requires downtime. For the tiering-enabled procedure, a cross-region move requires a new File Sync server connected to the target share because the registered server belongs to one Storage Sync Service and that service must share the share’s region. <a href=\"https://learn.microsoft.com/en-us/azure/storage/file-sync/file-sync-share-to-share-migration\" target=\"_blank\" rel=\"noopener noreferrer\">Microsoft Learn</a></p>\n<h2>Applicability</h2>\n<p>This review applies to a planned migration between SMB Azure file shares that already participate in Azure File Sync, including moves between regions.</p>\n<h2>DSE recommendation</h2>\n<p>DSE recommends recording the observed tiering state, source region, target region, and registered-server relationships before choosing the migration procedure. Ask the workload owner to approve the cutover window and identify who controls source writes. Build the plan from the branch that matches those observations, with explicit source, staging, and target roles. For the tiering-enabled cross-region branch, include the replacement server before copying data.</p>\n<h2>Verification</h2>\n<p>Recheck tiering state and regional relationships before the migration window. Compare the selected procedure with the recorded topology, and validate representative destination files and synchronization health during the approved test. Keep data-copy progress separate from cutover completion and document any unresolved server-registration or target-share issue.</p>\n<h2>Official references</h2>\n<ul>\n<li><a href=\"https://learn.microsoft.com/en-us/azure/storage/file-sync/file-sync-share-to-share-migration\" target=\"_blank\" rel=\"noopener noreferrer\">Microsoft: Migrate files between file shares when using Azure File Sync | Microsoft Learn</a></li>\n</ul>",
        "content_text": "Source facts\nMicrosoft separates File Sync share migration into procedures for cloud tiering being off or on. With tiering on, the guide copies data inside Azure to avoid unnecessary recalls through the source and says cutover requires downtime. For the tiering-enabled procedure, a cross-region move requires a new File Sync server connected to the target share because the registered server belongs to one Storage Sync Service and that service must share the share’s region. Microsoft Learn\nApplicability\nThis review applies to a planned migration between SMB Azure file shares that already participate in Azure File Sync, including moves between regions.\nDSE recommendation\nDSE recommends recording the observed tiering state, source region, target region, and registered-server relationships before choosing the migration procedure. Ask the workload owner to approve the cutover window and identify who controls source writes. Build the plan from the branch that matches those observations, with explicit source, staging, and target roles. For the tiering-enabled cross-region branch, include the replacement server before copying data.\nVerification\nRecheck tiering state and regional relationships before the migration window. Compare the selected procedure with the recorded topology, and validate representative destination files and synchronization health during the approved test. Keep data-copy progress separate from cutover completion and document any unresolved server-registration or target-share issue.\nOfficial references\n\nMicrosoft: Migrate files between file shares when using Azure File Sync | Microsoft Learn",
        "content_markdown": "## Source facts\n\nMicrosoft separates File Sync share migration into procedures for cloud tiering being off or on. With tiering on, the guide copies data inside Azure to avoid unnecessary recalls through the source and says cutover requires downtime. For the tiering-enabled procedure, a cross-region move requires a new File Sync server connected to the target share because the registered server belongs to one Storage Sync Service and that service must share the share’s region. [Microsoft Learn](https://learn.microsoft.com/en-us/azure/storage/file-sync/file-sync-share-to-share-migration)\n\n## Applicability\n\nThis review applies to a planned migration between SMB Azure file shares that already participate in Azure File Sync, including moves between regions.\n\n## DSE recommendation\n\nDSE recommends recording the observed tiering state, source region, target region, and registered-server relationships before choosing the migration procedure. Ask the workload owner to approve the cutover window and identify who controls source writes. Build the plan from the branch that matches those observations, with explicit source, staging, and target roles. For the tiering-enabled cross-region branch, include the replacement server before copying data.\n\n## Verification\n\nRecheck tiering state and regional relationships before the migration window. Compare the selected procedure with the recorded topology, and validate representative destination files and synchronization health during the approved test. Keep data-copy progress separate from cutover completion and document any unresolved server-registration or target-share issue.\n\n## Official references\n\n- [Microsoft: Migrate files between file shares when using Azure File Sync | Microsoft Learn](https://learn.microsoft.com/en-us/azure/storage/file-sync/file-sync-share-to-share-migration)"
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