On Wed, 2006-12-20 at 03:21 -0800, james hughes wrote:
> This would be mostly a "vanity erase" not really a serious "security
> erase" since it will not over write the remnants of remapped sectors.
Yup. As usual, your milage will vary depending on your threat model.
My gut feel is that there's a cost-benefit sweet spot near a mechanism
which provides for the prompt overwrite of recently deallocated blocks
with either zeros or newly allocated data, with more intensive bleaching
reserved for when disks are taken out of service.
- Bill
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