----- Original Message -----
From: "ToddAndMargo" <[email protected]>
To: "Scientific Linux Users" <[email protected]>
Sent: Saturday, May 17, 2014 12:11:29 AM
Subject: /dev/zero and flash drives
Hi All,
On a flash drive, does the following not only ease the drive,
but does it also turn off all the charges?
dd bs=4096 if=/dev/zero of=/dev/sdc1
Many thanks,
-T
On 05/16/2014 09:40 PM, John Lauro wrote:
That would only wipe one partition, not the entire drive. If you
want to erase the entire drive use /dev/sdc (or whatever device).
Ah poop. A typo. And I do know that.
Also, be aware that unlike hard drives, for flash drives it
> likely does not "erase" the drive. Internally the drive might
> just mark the sectors as all clear and flag the previous contents
> as erasable without actually clearing the flash. With a highly
> over provisioned enterprise drive it may wait to actually clear
> the flash chips. Not that the original data would be easily
> accessible (probably have to take the drive apart), but it is
> something to keep in mind if there is sensitive data...
So "zero" does not clear the charge?
I always "smack" my old drives with a hammer before tossing them.
