[Borgbackup] Is it possible to encrypt and existing unencrypted borg repository?

[Advrk Aplmrkt]

Thank you for clarifying. I will give this solution a try. In the
meantime if there are other solutions please chime in!

@Gerrit: Oh yeah could `mc` be Midnight Commander? But why?

On 03/04/2020, Bzzzz <lazyvirus at gmx.com> wrote:
> On Fri, 3 Apr 2020 20:15:01 +0100
> Advrk Aplmrkt <avkaplmkt at gmail.com> wrote:
>
> [I put it back in the loop, as "reply to ML" only took your own e-mail
> address in account :(]
>
>> Thank you!
>>
>> Can you clarify the step " use mc to copy from unencrypted mount to
>> new repo"?
>>
>> I can't find the `mc` command in my terminal (would `cp` work?).
>
> ! I made a mistake, you don't copy, you have to use the BB client to
> read the mounted old backup in order to make a new backup, encrypted
> this time !
>
>> Also,
>> did you mean I mount the old backup somewhere, and ask borg to back up
>> the mounted files into the new, encrypted repo?
>
> Yep
>
>
>> If so, this will probably work to achieve most of my goals, but doing
>> it this way means the *history* of all of my backups will not be
>> migrated unless I manually mount each backup in the old repository and
>> back it up into the new one? Sounds tedious considering I have a lot
>> of backups in the old repo!
>
> Actually, I don't see any other way to do that other than the one I told
> you about (erratum included !) - if there is/are really other ways, may
> be some others will kick in !?
>
> On the other hand, as you can list old backups, it is trivial to build a
> script that'll automatize the whole process, write it, check it, fire it
> and do something else (drinking a beer while eating a pizza on top of
> your keyboard is a must for somebody working in IT or you can scratch you
> legs to get red stockings 😋)
>
> Oh, and may be you do not need to keep so many backups, I mean if you
> have more than one old backup per machine, may be keeping only the last
> one would do, think twice !
>
> Jean-Yves
>
>> On 02/04/2020, Bzzzz <lazyvirus at gmx.com> wrote:
>> > On Thu, 2 Apr 2020 20:03:18 +0100
>> > Advrk Aplmrkt <avkaplmkt at gmail.com> wrote:
>> >
>> >> Hello,
>> >
>> > Hi
>> >
>> >> I have an old borg repository (last used with version 1.1.10) that
>> >> doesn't have encryption. I would like to keep the archives in this
>> >> repository, but I'd prefer to "upgrade" the repository so that is
>> >> uses encryption. Can this be done? If so, how? If not, is there
>> >> anyway to migrate the data in this repository to a new one that has
>> >> encryption?
>> >>
>> >> From what I can tell, encryption is applied at the very beginning
>> >> when using the `borg init` command. But is there a way around this?
>> >> Sorry if I missed something obvious in the documentation, if so
>> >> please correct me. Thank you very much.
>> >
>> > I'd say the fastest would be:
>> >
>> > * create a new & encrypted repo
>> >
>> > * borg mount old_backup::backup#1 /somewhere
>> >
>> > * use mc to copy from unencrypted mount to new repo
>> >
>> > * borg mount new_backup::backup#1 /other_place
>> >
>> > * randomly test if everything's right
>> > 	cmp /somewhere/path/file1 /other_place/path/file1
>> >
>> > * iterate N times where N=Nb_backups
>> >
>> > All operations one the server machine, of course.
>> >
>> > Jean-Yves