Disk wiping: Difference between revisions

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Created page with "To wipe an hdd by writing zeros to it: <code>sudo dd if=/dev/zero of=/dev/sdX iflag=nocache oflag=direct bs=4M</code> The average speed is about 86 MB/s, so 1 TB disk takes..."
 
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The average speed is about 86 MB/s, so 1 TB disk takes about 3h 15m.
The average speed is about 86 MB/s, so 1 TB disk takes about 3h 15m.
To print transfer statistics (to stderr):
<code>sudo killall -USR1 dd</code>


[[Category: Debian GNU/Linux]]
[[Category: Debian GNU/Linux]]

Revision as of 21:58, 30 August 2014

To wipe an hdd by writing zeros to it:

sudo dd if=/dev/zero of=/dev/sdX iflag=nocache oflag=direct bs=4M

The average speed is about 86 MB/s, so 1 TB disk takes about 3h 15m.

To print transfer statistics (to stderr):

sudo killall -USR1 dd