Am 14. Dez, 2014 schwätzte Stephen M so:
moin moin,
There is a problem using dban. When I started it up it never gave me
options on what to scan. Now my two SATA drives along with my USB drive
are not working. I need help to understand what is going on please.
dban wipes every drive it can find.
The website says, "It automatically deletes the contents of any hard disk
that it can detect."
http://www.dban.org/
Sounds like something to avoid unless you need to set up a disassembly
line and just rip through whatever gets connected.
ciao,
der.hans
On Sun, Dec 14, 2014 at 11:32 AM, Stephen Partington <[email protected]>
wrote:
Todd thanks. I am filing this away for my own use later.
On Sun, Dec 14, 2014 at 11:26 AM, Todd Millecam <[email protected]> wrote:
Oh, if it's SSD drives, don't do it this way, this is solely for
plattered drives. If you are using an SSD, then you just need to issue a
secure command to the drive and tell it to wipe itself--which you can do
through hdparm:
$~ hdparm --user-master u --security-set-pass PasSWorD /dev/sda #sets up
security on the drive
$~ hdparm --user-master u --security-erase PasSWorD /dev/sda # the point of no
return delete everything on your SSD drive command
On Sun, Dec 14, 2014 at 11:00 AM, Todd Millecam <[email protected]> wrote:
There's a lot of ways to do it, but they all do the same thing.
In bash:
$~ shred -zn10 /dev/sda
That'll securely erase everything on block device /dev/sda--give it a
while to run as it's writing random numbers across the entire drive and
then finishing by writing nothing but 0s on it. This makes all data on the
device non-recoverable.
You need to overwrite the data anywhere from 4 - 15 times before it's
clean and nothing can be recovered from it.
That's essentially all dban/wipe is doing. If you want to get even more
primitive, then you can use dd (garunteed to be on all *nix systems)
$~ dd if=/dev/random of=/dev/sda && dd if=/dev/zero of=/dev/sda
That's the same as doing one pass, but if shred is there (and it usually
is) then it'll do all 10 passes for you. I guess you could just throw that
dd command in a simple loop:
$~ for i in `seq 10` ; do dd if=/dev/random of=/dev/sda && dd
if=/dev/zero of=/dev/sda ; done
Dban or wipe will do all this for you, but you can do it yourself.
(Note, don't do it on the currently-running OS drive, because it'll
eventually erase glibc.so being used to do the overwrite. If you want to
do it on multiple drives, just plug them all into the same computer, and
run shred on all of them from a live-cd of your chosing)
On Sun, Dec 14, 2014 at 10:27 AM, Stephen M <[email protected]>
wrote:
HI,
I have a couple drives that I want to wipe and give them to the Loco
group. I have never done a wipe on my own computer. I want to see whats
the best method. I know there is dban, wipe, and many other solutions. I
will be using a SATA to USB adapter so I don't have to open my computers
What I need to know is there a way to use that device and still work on
my computer. Or do I have to let my computer run dban or whatever to wipe
the drive.
Thanks all.
--
Stephen Melheim
602-400-7707
[email protected]
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Todd Millecam
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Stephen
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