DataSync Validate Existing Data in S3 then Copy Changes
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A customer manually copied over data via Snowball to S3 from an on-prem NFS mount. They are looking to copy changes since that transfer as well as verify all the files that are already in S3. Can DataSync compare hashes for existing files in S3 and then copy changes?
preguntada hace 5 años359 visualizaciones
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The short answer is yes ... but in addition to copying over the new / changed files, DataSync will GET every existing object to checksum it and then MultiPartCopyPUT every object to put the source file systems POSIX metadata into the object user metadata. As a result the the customer will see a lot of S3 request charges.
respondido hace 5 años
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