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Update storage-blob-rehydration.md
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articles/storage/blobs/storage-blob-rehydration.md

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@@ -29,10 +29,16 @@ While a blob is in the archive access tier, it's considered offline and can't be
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If you don't want to rehydrate your archive blob, you can choose to do a [Copy Blob](https://docs.microsoft.com/rest/api/storageservices/copy-blob) operation. Your original blob will remain unmodified in archive while a new blob is created in the online hot or cool tier for you to work on. In the Copy Blob operation, you may also set the optional *x-ms-rehydrate-priority* property to Standard or High to specify the priority at which you want your blob copy created.
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Archive blobs can only be copied to online destination tiers within the same storage account. Copying an archive blob to another archive blob is not supported.
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Copying a blob from archive can take hours to complete depending on the rehydrate priority selected. Behind the scenes, the **Copy Blob** operation reads your archive source blob to create a new online blob in the selected destination tier. The new blob may be visible when you list blobs but the data is not available until the read from the source archive blob is complete and data is written to the new online destination blob. The new blob is as an independent copy and any modification or deletion to it does not affect the source archive blob.
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Archive blobs can only be copied to online destination tiers within the same storage account. Copying an archive blob to another archive blob is not supported. The following table indicates CopyBlob's capabilities.
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| | **Hot tier source** | **Cool tier source** | **Archive tier source** |
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| ----------------------------------------- | --------------------- | -------------------- | ------------------- |
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| **Hot tier destination** | Supported | Supported | Supported within the same account; pending rehydrate |
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| **Cool tier destination** | Supported | Supported | Supported within the same account; pending rehydrate |
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| **Archive tier destination** | Supported | Supported | Unsupported |
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## Pricing and billing
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Rehydrating blobs out of archive into hot or cool tiers are charged as read operations and data retrieval. Using High priority has higher operation and data retrieval costs compared to standard priority. High priority rehydration shows up as a separate line item on your bill. If a high priority request to return an archive blob of a few gigabytes takes over 5 hours, you won't be charged the high priority retrieval rate. However, standard retrieval rates still apply as the rehydration was prioritized over other requests.

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