Azcopy "--put-md5" parameter confusion

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I have a confusion about the --put-md5 parameter. When I use azcopy command to upload a file to my Azure Storage account without --put-md5 parameter, the uploaded blob's Content-MD5 property seem to be created defaultly. However, the AzCopyV10.0.9 Preview Release illustrates that "as of version 10.0.9, MD5 hashes are NOT created by default". Could you please help to check it? See the screenshots: CMD Portal

Thanks.

azure
1 Answers

I tested on my side and got same result.MD5 hash is calculated and stored automatically.

This seems to be an azcopy bug.

Here is an opened issue in Microsoft Github azcopy repository. https://github.com/Azure/azure-storage-azcopy/issues/1315

Reply from Microsoft

For smaller blobs (<256MB IIRC), the service computes it automatically for you.

user_149445680
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