[CentOS] How to remove Microsoft soft raid?

Brian McKerr bmckerr at gmail.com
Thu Jul 21 11:31:51 UTC 2011

I usually boot from the installer CD and go to a virtual terminal (Alt-F1).
In the shell;

dd if=/dev/zero of=/dev/disk-i-want-to-destroy bs=512 count=1

I'd guess that the partition table has some microsoft funkiness in it that
needs to be wiped.

Take, care with this, it can and does eat data.......


On Thu, Jul 21, 2011 at 9:24 PM, David McGuffey
<davidmcguffey at verizon.net>wrote:

> Have a quad core workstation that was running WinXP_64 that I want to
> blow away and install CentOS 6.  C6 install process finds raid metadata
> associated with sda and sdb, and then excludes them from the rest of the
> installation process.
> There doesn't appear to be an option for disassembling the raid as part
> of the install process.  I think there should be.
> Any tricks to removing/by-passing the soft raid left over from the
> previous OS?
> Dave M
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> CentOS at centos.org
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