On Mon, Apr 10, 2006 at 08:06:11PM -0400, Huy Ton That wrote: > On 4/10/06, Doug Poland <[EMAIL PROTECTED]> wrote: > > > > Hello, > > > > I'm in a bit of a mess here. I've got an Asus P4C800-E Deluxe > > motherboard with two on-board SATA RAID controllers, an Intel MatrixRAID > > (ICH5R) and Promise Fasttrak (PDC20378). My BIOS allows me to boot > > from either the Promise or the Intel controller. > > > > ... > > > > The problem is, now, when I attempt to boot off the Intel controller, I > > get a FreeBSD boot load failure: > > > > Invalid Partition > > Invalid Partition > > > > So it would seem I hosed my MBR. The question is, how did I do it and > > how do I fix it? I would think that when I choose to leave the MBR > > untouched in sysinstall, that it would do just that. > > > > I cannot use the old DOS boot floppy trick of: fdisk /MBR as DOS will > > not recognize my Intel controller. Windows installation media is > > equally clueless. I want to be very careful here so as not to render my > > entire system useless. A thought occurred to me that I might be able to > > get a MBR from another Windows box > > > > freesbie# dd if=/dev/ad0 of=/mnt/nfs/tmp/XP.mbr bs=512 count=79 > > hosedbox# dd if=/mnt/nfs/tmp/XP.mbr of=/dev/ar1 bs=512 count=79 > > > > and write that over my bad MBR. Does that make sense? Is there a > > "better" way? > > > > Boot off the WinXP disc & enter the repair utility (console). > > You can type 'help' for all the commands. > > There's a command called fixmbr; I think this is what you are looking for. > Now this is getting OT, but recovery console doesn't show my drive. How do I know that it will fix the "correct" MBR? Don't I have two MBR's? one on each controller?
-- Regards, Doug _______________________________________________ email@example.com mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"