Re: How to completely erase a hard disk

I know that there must be a less extreme solution but , since there
is nothing installed on that server the zero all data seems to be the
fastest one to get on my way again. THANKS A LOT FOR YOUR ANSWER!


El 30/09/2007, a las 14:32, Rashkae escribió:

Juan Pablo Mazzini wrote:
I`ve made a mistake instaling an Ubuntu 7 server with RAID disk 1.
Now when i try to install again de instaler is unable to make a new
raid cause the old one is still configured somewhere, anyone knows a
metod taht i can use to put both hard disk in like new and erase all
the information stored in them including the booth sector in order to
install again.

This might be a bit extreme to your particular situation (which
could be
worked around with a bit of finesse and finer grained understanding of
Raid and it's relative command line tools)

But to simply answer your question and get you on your way, boot
from a
Live CD (I suggest Knoppix for stuff like this, though there is no
reason you can't use Ubuntu install CD), identify the hard drive
device
you want to erase (Like /dev/hda or /dev/sda)... If there are
multiple
hard drives, I suggest eliminating any chance of error by
disconnecting
the ones you do not want to erase.

Then dd if=/dev/zero of=/dev/hda (or dd if=/dev/zero of=/dev/sda)



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