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Re: [Duplicity-talk] Recovering to a different system


From: asterslash
Subject: Re: [Duplicity-talk] Recovering to a different system
Date: Wed, 17 Oct 2018 00:25:34 +0100

First of all thank you for your help!

I was able to do it on a linux virtual machine with root access. While the 
chowning didn’t block the recovery process, the OSError I mentioned did so I 
couldn’t just ignore it (duplicity didn’t crash though, it just seemed “stuck”).

In VM, the chowning problems were gone then because I was root, the mkfifo 
worked because it was linux and the errors I mentioned last were resolved too — 
sorry for the lack of details but I really forgot to save the logs from that 
recovery; I would deal with them later, when I had a proper log.

I did however found another problem creating symlinks because I was recovering 
to a SMB share. I ended up recovering locally and then running rsync to the NAS.

I hope this can help others with similar issues.

Once again, thank you for your help!

> On 16 Oct 2018, at 10:02, address@hidden wrote:
> 
> On 16.10.2018 00:15, asterslash via Duplicity-talk wrote:
>> Hello!
> 
> hi Asterslash,
> 
>> I made backups with duplicity from a Fedora laptop onto a USB hard drive 
>> that I would now like to recover to another system (to a NAS4Free NAS with 
>> duplicity running on a macOS system).
>> 
>> However, from what I could tell, duplicity is not really prepared for a 
>> recovery like this, on another system 
> 
> it has been done in the past and should work flawlessly
> 
>> and I was hoping you could give me some suggestions in order for me to 
>> recover the files’ content. Some problems I’ve had were:
>> 
>> * Duplicity not being able to chowning file to root or another user that 
>> does not exist in this system (it seems there’s no flag to ignore ownership) 
>> -- from what I could tell wouldn’t actually affect me because I’m only 
>> interested in the files content, but I’m not sure;
> 
> chowning is only possible if duplicity is run as root. if not it is tried and 
> log that it couldn't be done but should go on restoring.
> 
>> * An OSError exception on `os.mkfifo` because the “Operation [is] not 
>> supported” — this I imagine may be related to duplicity not being able to 
>> create some type of file on my NAS that existed in the source;
> 
> probably because your trying to restore on a macOS . if you do not need that 
> file the error could probably be ignored. 
> 
>> * Some FileNotFound exceptions, I believe, that I didn’t quite understand, 
>> but at the time I wasn’t paying attention so I can’t really reason why this 
>> could happen; I’ll probably deal with this later, since it’s not the problem 
>> blocking the recovery.
> 
> now that's very vague. how about you provide a proper full console log output 
> (via pastebin,dropbox ...) of your restore run and we work from there?
> 
> ..ede/duply.net
> 
> 




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