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Date: Tue, 2 Feb 2010 12:43:56 -0500 (EST)
From: "Stuart D. Gathman" <stuart@bmsi.com>
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To: LVM general discussion and development <linux-lvm@redhat.com>

On Tue, 2 Feb 2010, Simon Waters wrote:

> On Tuesday 02 February 2010 10:21:30 Simon Waters wrote:
> > Is this due to old metadata on the disk, or is there something going wrong
> > in the installation process.
> 
> dd if=/dev/zero of=/dev/sda
> dd if=/dev/zero of=/dev/sdb
> 
> >From the Debian install CD, and then a reboot (otherwise the Debian installer 
> remembers the old LVM information it read from disk when it booted, and 
> complains things aren't like the use to be.

Above wipes entire disk - which is good for a fresh install.  But
just making sure.  Not so good if you wanted to keep some partitions...

A faster way to wipe the entire disk is to use the security erase
feature of SMART disks available via /sbin/hdparm.

-- 
	      Stuart D. Gathman <stuart@bmsi.com>
    Business Management Systems Inc.  Phone: 703 591-0911 Fax: 703 591-6154
"Confutatis maledictis, flammis acribus addictis" - background song for
a Microsoft sponsored "Where do you want to go from here?" commercial.