Re: s3 downloaded file verification

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On Thu, Jan 30, 2014 at 5:58 AM, Dominik Mostowiec
<dominikmostowiec@xxxxxxxxx> wrote:
> Hi,
> I'm looking for solution how to verify file downloaded from s3 where
> ETag is multiparted ( with '-' ) and don't know how is part size.
>
> When part size is known, it is possible eg do it with scrip:
> https://github.com/Teachnova/s3md5/blob/master/s3md5
>
> In aws doc i found that there is only lower limit of part size:
> "Each part must be at least 5 MB in size, except the last part. There
> is no size limit on the last part of your multipart upload."
>
> It is possible for example to list parts after multipart upload is commited?

Not really. The parts separation information is not retained. It can
might be deduced by the rados object names, but I don't think that's
the way to go. This info could be optionally added, and retrieved with
an appropriate new api, but not something that we were planning to do
at the moment. Could be a relatively easy project for someone who
wants to start playing with the gateway code.

Yehuda
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