Yeah, that's what we were surmising.  But paranoia and compliance being what it is we were curious what others were doing.

-Paul Edmon-

On 9/29/2021 10:32 AM, Renfro, Michael wrote:

I have to wonder if the intent of the DUA is to keep physical media from winding up in the wrong hands. If so, if the servers hosting the parallel filesystem (or a normal single file server) is physically secured in a data center, and the drives are destroyed on decommissioning, that might satisfy the requirements.

*From: *Beowulf <beowulf-boun...@beowulf.org> on behalf of Paul Edmon via Beowulf <beowulf@beowulf.org>
*Date: *Wednesday, September 29, 2021 at 9:15 AM
*To: *Scott Atchley <e.scott.atch...@gmail.com>
*Cc: *Beowulf Mailing List <beowulf@beowulf.org>
*Subject: *Re: [Beowulf] Data Destruction

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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@beowulf.org <mailto:beowulf@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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