Re: Wiping object content on removal

[Igor Fedotov <ifedotov@mirantis.com>]

Gregory,

the idea is to wipe object content optionally - when user requests for that.
Thus not every delete operation will suffer from that.

Igor.

On 11/23/2015 8:11 PM, Gregory Farnum wrote:
> On Mon, Nov 23, 2015 at 10:44 AM, Igor Fedotov <ifedotov@mirantis.com> wrote:
>> Hi Gregory,
>>
>> On 23.11.2015 18:52, Gregory Farnum wrote:
>>> On Wed, Nov 18, 2015 at 8:42 AM, Igor Fedotov <ifedotov@mirantis.com>
>>> 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