On Friday 2017-03-31 09:57:11 Waqar Khan wrote:
> Hi,
> 
> The new GDPR laws coming into effect - it is being debated whether the
> "data erasure" section applies to backs up but from a technical point
> of view how are you guys deleting a person's data from every backup
> e.g. for the last 60 days. Does anyone have an opinion on whether this
> law effects backups of personal data as well?
> 
> I take rsync's and mysqldumps, it seems highly impractical to go through
> each volume and find records and files pertaining to a particular user
> and remove this data from the backups somehow.
> 
> I'm just at a loss of how to comply with this using bacula...If someone
> comes to me and says I want all my personal data deleted, what would I
> do to get rid of it from every backup.
> 
> Any help appreciated!

Theoretically it would be a PITA to do it but it is possible.
You would need to determine jobs containing your target files.
Then, using bacula database and its tables you would be able to
determine actual location of the target files on the media and
manually zero these blocks on the media.

However, such mangling with the backup volumes should be considered
very dangerous and the whole thing about the right to be forgotten
law is a bit funny.

I don't know if a commercial version of Bacula could make this
procedure easier and more safe.

-- 
Josip Deanovic

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