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[edso <question289074@xxxxxxxxxxxxxxxxxxxxx>]

Question #289074 on Duplicity changed:
https://answers.launchpad.net/duplicity/+question/289074

    Status: Open => Answered

edso proposed the following answer:
On 22.03.2016 06:02, Jon Beyer wrote:
> New question #289074 on Duplicity:
> https://answers.launchpad.net/duplicity/+question/289074
> 
> I am trying to recover a sizable backup that is stored in S3.  There are 1,200 volumes, and the restore process has failed at various points in the restoration process with an SHA1 hash mismatch (i.e. one time it fails on volume 512, the next time on volume 692).  If I manually download the problematic volume, the SHA1 hash is what it should be.  That implies to me that the download from S3 is terminating prematurely and causing the invalid SHA1 hash.
> 
> I have --num-retries set at 10, although I am working through duply, so I'm not 100% certain that that parameter is actually getting passed through to duplicity.
> 
> Any suggestions as to how to overcome this issue?
> 
> Thanks in advance!
> 

hmmm, you can check if the parameter is propagated properly to duplicity
w/ the --preview option for duply.

but my guess would be that the backend fails to recognize that the
download failed (that's the part that would be retried) and simply
returns the broken file to duplicity to work with. once it is there,
there is no logic to say hey, maybe the download was faulty let's retry
it currently (afaik).

what's your duplicity version?

..ede/duply.net

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