>From the sounds of it it's fake raid. M$ doesn't leave any signatures on their raid system that linux will detect. dm/md raid can see fakeraid signatures in newer versions so the installer may be picking up on that. -- Drew On 07/21/2011, Robert Heller <heller at deepsoft.com> wrote: > At Thu, 21 Jul 2011 07:24:19 -0400 CentOS mailing list <centos at centos.org> > 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? > > Is this pure WinXP_64 software RAID or BIOS-assisted 'fakeraid'? If the > latter, go into the BIOS and change its settings from 'RAID' to 'AHCI' > or other 'native' SATA mode. > > The only other thought would be to use a Live CD to clobber the disks > (eg using fdisk or 'dd if=/dev/zero of=/dev/sda' or something). It might > also be possible to get to a shell process with Alt-F2 in the installer > and using fdisk, etc. to clobber the disks -- do this *before* screen > where it asks about partitioning, etc. > >> >> Dave M >> >> >> _______________________________________________ >> CentOS mailing list >> CentOS at centos.org >> http://lists.centos.org/mailman/listinfo/centos >> >> > > -- > Robert Heller -- 978-544-6933 / heller at deepsoft.com > Deepwoods Software -- http://www.deepsoft.com/ > () ascii ribbon campaign -- against html e-mail > /\ www.asciiribbon.org -- against proprietary attachments > > > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos > -- Sent from my mobile device Drew "Nothing in life is to be feared. It is only to be understood." --Marie Curie "This started out as a hobby and spun horribly out of control." -Unknown MGen Dorlan Kwase UFPSFMC Deputy Judge Advocate General 9th MARDIV Commander, Ret. Obsidian Fleet