[Beowulf] Data Destruction

Paul Edmon pedmon at cfa.harvard.edu
Wed Sep 29 14:15:20 UTC 2021

The former.  We are curious how to selectively delete data from a 
parallel filesystem.  For example we commonly use Lustre, ceph, and 
Isilon in our environment.  That said if other types allow for easier 
destruction of selective data we would be interested in hearing about it.

-Paul Edmon-

On 9/29/2021 10:06 AM, Scott Atchley wrote:
> Are you asking about selectively deleting data from a parallel file 
> system (PFS) or destroying drives after removal from the system either 
> due to failure or system decommissioning?
> For the latter, DOE does not allow us to send any non-volatile media 
> offsite once it has had user data on it. When we are done with drives, 
> we have a very big shredder.
> On Wed, Sep 29, 2021 at 9:59 AM Paul Edmon via Beowulf 
> <beowulf at beowulf.org <mailto:beowulf at beowulf.org>> wrote:
>     Occassionally we get DUA (Data Use Agreement) requests for sensitive
>     data that require data destruction (e.g. NIST 800-88). We've been
>     struggling with how to handle this in an era of distributed
>     filesystems
>     and disks.  We were curious how other people handle requests like
>     this?
>     What types of filesystems to people generally use for this and how do
>     people ensure destruction?  Do these types of DUA's preclude certain
>     storage technologies from consideration or are there creative ways to
>     comply using more common scalable filesystems?
>     Thanks in advance for the info.
>     -Paul Edmon-
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