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