Re: [Duplicity-talk] Fwd: Re: Restoring from/to a USB stick

[edgar . soldin]

On 13.05.2020 15:30, Andrew Wood via Duplicity-talk wrote:
> Dear Edgar (Nate/ everyone)
>
> SOLVED! The command which you suggested below worked. Thank-you so much - I 
> was really at my wits end.

good to hear

> Now I'm wondering if there is anyway to reduce the likelihood of this 
> happening again, or to suggest improvements/enhancement requests to Duplicity 
> or Deja Vu.

well. how about not backing up empty mount points? not sure if deja-dup 
supports conditions, but running duplicity using a condition via cron would 
look roughly like

grep -q '/mount/srcpath' && duplicity '/mount/srcpath' scheme://targethost/path

most important thing is that it'd be a separate backup set that'll only be 
backed up if the source is mounted!

>On the plus side: I've learned something and this email would be searchable to 
>others which is helpful to others. I guess there is - if nothing else - a 
>use-case here for the developers.
>
> It's slightly confusing that duplicity takes the parameter --file-to-restore 
> when it actually restores a directory or indeed a whole volume.

yeah well that's legacy. maybe some kind soul at some point implements 
'--in/exclude' support for restores.

> Once again - thank-you so much for all your assistance,

de nada.. ede/duply.net

> Andrew, Oxford, UK
>
> On 13/05/2020 10:31, edgar.soldin--- via Duplicity-talk wrote:
>> On 13.05.2020 09:59, Andrew Wood via Duplicity-talk wrote:
>>> Hello Edgar/ Nate/ everyone
>>>
>>> Thanks for you help and assistance. Here's the output of the two commands 
>>> as requested:
>>>
>>> 1)
>>>
>>> [awood@localhost ~]$ duplicity collection-status 
>>> file:///run/media/awood/MyPassport/Deja-Vu-Back-up
>>> Last full backup date: Thu Mar 26 09:21:33 2020
>>> Collection Status
>>> -----------------
>>> Connecting with backend: BackendWrapper
>>> Archive directory: 
>>> /home/awood/.cache/duplicity/d8a1ed559e366bb0ccdf1d4f1d1954b1
>>>
>>> Found 4 secondary backup chains.
>>> Secondary chain 1 of 4:
>>> -------------------------
>>> Chain start time: Tue Mar 19 08:49:48 2019
>>> Chain end time: Thu Jun 13 08:29:32 2019
>>> Number of contained backup sets: 13
>>> Total number of contained volumes: 857
>>>   Type of backup set:                            Time:   Number of volumes:
>>>                  Full         Tue Mar 19 08:49:48 2019               692
>>>           Incremental         Thu Mar 21 08:45:13 2019                 2
>> SNIP
>>
>> looks healthy so far
>>
>>> Found primary backup chain with matching signature chain:
>>> -------------------------
>>> Chain start time: Thu Mar 26 09:21:33 2020
>>> Chain end time: Thu Apr 30 09:36:18 2020
>>> Number of contained backup sets: 7
>>> Total number of contained volumes: 1187
>>>   Type of backup set:                            Time:   Number of volumes:
>>>                  Full         Thu Mar 26 09:21:33 2020               884
>>>           Incremental         Thu Apr  2 09:23:45 2020                 1
>>>           Incremental         Thu Apr  9 09:49:48 2020                 1
>>>           Incremental         Thu Apr 16 11:53:39 2020                 1
>>>           Incremental         Mon Apr 20 13:37:06 2020               292
>> the above looks like suddenly there was a lot more to backup. maybe the 
>> stick was reattached? it actually seems to be the date we are listing files 
>> from. note 2020/04/21 is between the backup's date and the next one's.
>>
>>>           Incremental         Thu Apr 23 09:20:53 2020                 1
>>>           Incremental         Thu Apr 30 09:36:18 2020                 7
>>> -------------------------
>>> No orphaned or incomplete backup sets found.
>>>
>>> 2)
>>>
>>> duplicity list-current-files --time 2020/04/21 
>>> file:///run/media/awood/MyPassport/Deja-Vu-Back-up
>>>
>>> The output of this is huge 64,725 lines (using wc -l)!... shall I attach 
>>> the output file? But I note that it includes references to both 
>>> run/media/awood/7160-75C1 files and also home/awood which is a good sign I 
>>> guess.
>> nope, not needed. it's important if it lists the files you are missing! if 
>> so try
>>
>>    duplicity --time 2020/04/21 --file-to-restore run/media/awood/7160-75C1 
>> file:///run/media/awood/MyPassport/Deja-Vu-Back-up 
>> /run/media/awood/MyPassport/USB-Restore/7160-75C1-restored
>>
>> ..ede/duply.net
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