Re: DVD + oder - RW sicher löschen möglich?

Werner P. Schulz wrote:


Be aware that harddisks are quite intelligent beasts those days.
They transparently remap defective blocks. This
means that the disk can keep an albeit corrupted (maybe slightly) but inaccessible and unerasable copy of some of your
data. Modern disks are said to have about 100% transparent remapping
capacity. You can have a look at recent discussions on Slashdot.

Bei SCSI gibt's Befehle, mit denen man die Mappings auslesen sowie die ungemappten Sektoren direkt ansprechen kann.

Ausserdem gilt in allen Faellen der klassische Rat, dass man einfach verschluessele. Dann kann man den Schluessel loeschen, und schon sind die Daten nach dem aktuellen Stand der Wissenschaft unwiederbringbar verloren.
.

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