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        "summary": "Can an existing standard general-purpose v2 storage account be converted directly into premium block blob storage?",
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        "potentially_affected": "Use this decision for a proposed move from a standard general-purpose v2 account to premium block blob storage. Review the current feature-support matrix for the actual workload; this article does not reproduce the source's historical pricing or performance examples.",
        "dse_recommendation": "Treat the proposal as a data migration, not an account-setting change.",
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        "content_html": "<h2>Source facts</h2>\n<p>Microsoft says an existing standard general-purpose v2 account cannot be converted into a premium block blob account. The documented route is to create a premium block blob account and migrate the data. Microsoft also requires checking feature compatibility before choosing premium because some Blob Storage features have absent or partial support in that account type. <a href=\"https://learn.microsoft.com/en-us/azure/storage/blobs/storage-blob-block-blob-premium\" target=\"_blank\" rel=\"noopener noreferrer\">Microsoft Learn</a>.</p>\n<h2>Applicability</h2>\n<p>Use this decision for a proposed move from a standard general-purpose v2 account to premium block blob storage. Review the current feature-support matrix for the actual workload; this article does not reproduce the source&#8217;s historical pricing or performance examples.</p>\n<h2>DSE recommendation</h2>\n<p>Treat the proposal as a data migration, not an account-setting change. Identify the destination account, required storage features and every caller that must use the new location. Have the data owner approve the copy, cutover and verification plan before creating a production dependency on premium. Preserve the existing authoritative data and access arrangement until the destination has been accepted. Keep performance expectations separate from the supported migration route and measure them with the real workload.</p>\n<h2>Verification</h2>\n<p>In an approved pilot, verify the destination account type and each required feature against current documentation. Reconcile copied content and the intended application access at the new location. Test the agreed cutover and recovery decision without deleting the source as part of the initial check. A successful account creation should not be recorded as proof that the data and its consumers have migrated.</p>\n<h2>Official references</h2>\n<p><a href=\"https://learn.microsoft.com/en-us/azure/storage/blobs/storage-blob-block-blob-premium\" target=\"_blank\" rel=\"noopener noreferrer\">Microsoft Learn: Premium block blob storage accounts</a>.</p>",
        "content_text": "Source facts\nMicrosoft says an existing standard general-purpose v2 account cannot be converted into a premium block blob account. The documented route is to create a premium block blob account and migrate the data. Microsoft also requires checking feature compatibility before choosing premium because some Blob Storage features have absent or partial support in that account type. Microsoft Learn.\nApplicability\nUse this decision for a proposed move from a standard general-purpose v2 account to premium block blob storage. Review the current feature-support matrix for the actual workload; this article does not reproduce the source’s historical pricing or performance examples.\nDSE recommendation\nTreat the proposal as a data migration, not an account-setting change. Identify the destination account, required storage features and every caller that must use the new location. Have the data owner approve the copy, cutover and verification plan before creating a production dependency on premium. Preserve the existing authoritative data and access arrangement until the destination has been accepted. Keep performance expectations separate from the supported migration route and measure them with the real workload.\nVerification\nIn an approved pilot, verify the destination account type and each required feature against current documentation. Reconcile copied content and the intended application access at the new location. Test the agreed cutover and recovery decision without deleting the source as part of the initial check. A successful account creation should not be recorded as proof that the data and its consumers have migrated.\nOfficial references\nMicrosoft Learn: Premium block blob storage accounts.",
        "content_markdown": "## Source facts\n\nMicrosoft says an existing standard general-purpose v2 account cannot be converted into a premium block blob account. The documented route is to create a premium block blob account and migrate the data. Microsoft also requires checking feature compatibility before choosing premium because some Blob Storage features have absent or partial support in that account type. [Microsoft Learn](https://learn.microsoft.com/en-us/azure/storage/blobs/storage-blob-block-blob-premium).\n\n## Applicability\n\nUse this decision for a proposed move from a standard general-purpose v2 account to premium block blob storage. Review the current feature-support matrix for the actual workload; this article does not reproduce the source’s historical pricing or performance examples.\n\n## DSE recommendation\n\nTreat the proposal as a data migration, not an account-setting change. Identify the destination account, required storage features and every caller that must use the new location. Have the data owner approve the copy, cutover and verification plan before creating a production dependency on premium. Preserve the existing authoritative data and access arrangement until the destination has been accepted. Keep performance expectations separate from the supported migration route and measure them with the real workload.\n\n## Verification\n\nIn an approved pilot, verify the destination account type and each required feature against current documentation. Reconcile copied content and the intended application access at the new location. Test the agreed cutover and recovery decision without deleting the source as part of the initial check. A successful account creation should not be recorded as proof that the data and its consumers have migrated.\n\n## Official references\n\n[Microsoft Learn: Premium block blob storage accounts](https://learn.microsoft.com/en-us/azure/storage/blobs/storage-blob-block-blob-premium)."
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