Re: Bulk erase methods

In article <0rvcd1turrc57e41r5g60bpbv2s6u4crin@xxxxxxx>,
thegreatone@xxxxxxxxxxx says...
> On 14 Jul 2005 08:03:47 -0700, larwe@xxxxxxxxx wrote:
>
> >> very well. A shredder is a far better method. If the floppys are to
> >> be reused, formatting them will deter all but the black-hats.
> >
> >You'd be surprised how easy it is to recover data from a floppy that
> >has only been formatted. All you need is a scope and patience. The
> >azimuth variations between any two drives make the "lost" data readable
> >easily on another drive.
>
> I've been lurking at this thread for awhile...
>
> If the OP meant that bulk erase was needed to render the floppies
> disposable with security, then mechanical destruction is certainly the
> only reliable way.

Yep. Riaisng the temperature above the curie point works too, but that
likely amounts to the same thing.

> If the OP only wanted to re-use the floppies himself, what's wrong
> with simply "delete *.*" ??

That simply clears the directory. The files are still there.

> If he meant to distribute erased floppies for others to re-use, but
> with security, there exists software which will write randomized data
> over the existing data.

The new data won't cover the old data completely, unless it was written
by the same drive (and it hasn't changed calibration). If any security
is required, go back to solution #1.

--
Keith
.

Relevant Pages

  • Re: Bulk erase methods
    ... If the floppys are to ... formatting them will deter all but the black-hats. ... If the OP only wanted to re-use the floppies himself, ...
    (sci.electronics.design)
  • Re: Bulk erase methods
    ... If the floppys are to ... >>You'd be surprised how easy it is to recover data from a floppy that ... >If the OP only wanted to re-use the floppies himself, ...
    (sci.electronics.design)
  • Re: Bulk erase methods
    ... >>disposable with security, then mechanical destruction is certainly the ... >>If the OP only wanted to re-use the floppies himself, ... reformatted disk. ...
    (sci.electronics.design)
  • Re: Bulk erase methods
    ... > Jim Thompson wrote: ... >> disposable with security, then mechanical destruction is certainly the ... >> If the OP only wanted to re-use the floppies himself, ... > them one by one is not worth it, I want fast bulk erase and no cost. ...
    (sci.electronics.design)
  • Re: Bulk erase methods
    ... >> Jim Thompson wrote: ... >>> disposable with security, then mechanical destruction is certainly the ... Theyre for reuse by other people, floppies are not obsolete ... >> them one by one is not worth it, I want fast bulk erase and no cost. ...
    (sci.electronics.design)