Can one remove a specific file from all snapshots? (accidentally priv'd)

[Large Hadron Collider]

Expire the snapshots faster (5 days instead of 15) so you have 10 days 
to dawdle.


On 05/18/2018 20:17, Alex Aminoff wrote:
>
> The use case here is that we have data sets of sensitive data that we 
> are contractually obligated to delete with no backups at a certain 
> point in time. The datasets are stored on a ZFS filesystem (on a 
> truenas from IxSystems as it happens). The snapshots are kept for 15 
> days, so at the moment we have to rm the files 15 days before the 
> deadline to be compliant. Is there a way to delete a specific file 
> from the live filesystem as well as all the snapshots?
>
> I did find a post to this list from 2014:
>
> https://lists.freebsd.org/pipermail/freebsd-fs/2014-October/020307.html
>
> but I don't think it is relevant, and in any case it does not appear 
> that the feature that post describes was implemented.
>
> Thanks,
>
>  - Alex Aminoff, NBER
>
>
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