[Borgbackup] Separating repos
Eric S. Johansson
eric at in3x.io
Mon Feb 4 18:11:07 EST 2019
what I did when faced with similar problem was to start new repository
from scratch and leave the old repository untouched except for scheduled
purges.
On 2/4/2019 3:29 PM, Ed Blackman wrote:
> I have a set of systems backing up to a single repository on an internal
> borg server. Initially all the archives came from the same system, and
> there was a good chance that as files moved around in that system that
> they'd be backed up in one set of archives, then show up in another. So
> I used a single repository to maximize deduplication.
>
> Over time, I've separated the functions of that single system into
> multiple systems, and also improved procedures so that a given file
> should show up in at most one type of archive. But since they're going
> into a shared repo, the backups have to spend time syncing the cache.
>
> I'd like to separate retain the archives but separate them into
> different repos, but it doesn't look like borg has a native way to copy
> archives from one repo to another.
>
> Is the only way to do it to make a copy of the repo directory outside of
> borg, and then selectively remove archives from one copy or the other?
> Would the repos shrink automatically as the archives are removed, such
> that they would approximately sum to the original repo size, less some
> for chunks that are now duplicated in two repos?
>
--
Eric S. Johansson
eric at in3x.io
http://www.in3x.io
978-512-0272
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