Re: Wiping object content on removal

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On Mon, Nov 23, 2015 at 10:44 AM, Igor Fedotov <ifedotov@xxxxxxxxxxxx> wrote:
> Hi Gregory,
>
> On 23.11.2015 18:52, Gregory Farnum wrote:
>>
>> On Wed, Nov 18, 2015 at 8:42 AM, Igor Fedotov <ifedotov@xxxxxxxxxxxx>
>> wrote:
>>>
>>> Hi Cephers.
>>>
>>> Does Ceph have an ability to wipe object content during one's removal?
>>> Surely one can do that manually from the client but I think that's
>>> ineffective and not 100% secure.
>>>
>>> If no - what's about adding such feature to Ceph?
>>>   I can start working on that.
>>
>> Wipe object content during removal of what? The OSD? Or are you
>> talking about secure erase of object data instead of unlinking files?
>
> I meant secure object removal.
>

Yeah, I just don't see this happening. There aren't even exposed
primitives to do a secure erase on SSDs, are there? Plus turning a
delete operation into a full data overwrite....yuck.
-Greg
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