Open Stack

On 18/11, Young Yang wrote:
> There are some sensitive data in my volume.
> I hope openstack can completely erase all the data (e.g. overwrite the
> whole volume will 0 bits) when deleting a cinder volume.
> 
> I plan to write some code to make Openstack to mount that volume and
> rewrite the whole volume with 0 bits.
> 
> But I'm wondering if there is any better way to accomplish that.
> 
> Thanks in advance! :)

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Hi,

Cinder already does that by default.

Clearing of deleted volumes is controlled by "volume_clear"
configuration option which has a default of "zero".

Available values are "none", "zero" and "shred".

Cheers,
Gorka.