[SATLUG] Hard drive partitioning

R P Herrold herrold at owlriver.com
Tue Nov 20 20:55:23 CST 2007


On Tue, 20 Nov 2007, Justin Burdette wrote:

> Is there a way to just remove all of the partitions and start over?

*warning* -- all partition table, and thus all content will be 
lost.

As root, do this:
    dd if=/dev/zero of=/dev/hda count=1 bs=512

And the drive is 'like new' as it no longer has any partition 
information, nor the 'magic numbers' which indicate a 
partition table exists at the locations a BIOS, and fdisk or 
parted look.   Sadly no such command exists to roll back the 
_hours_ on a drive.

-- Russ Herrold


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