Date: Wed, 01 Aug 2007 16:29:33 -0500 From: Reid Linnemann <lreid@cs.okstate.edu> To: Ross Penner <ross.penner@gmail.com> Cc: freebsd-questions@freebsd.org Subject: Re: Installing from USB Flash Drive Message-ID: <46B0FB3D.20707@cs.okstate.edu> In-Reply-To: <f80199c40708011421l9600e6tf16cf14fc17efcaa@mail.gmail.com> References: <op.twd8jds0q910fd@localhost> <46B0D50F.8050402@cs.okstate.edu> <f80199c40708011421l9600e6tf16cf14fc17efcaa@mail.gmail.com>
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Written by Ross Penner on 08/01/07 16:21>> > On 8/1/07, *Reid Linnemann* < lreid@cs.okstate.edu > <mailto:lreid@cs.okstate.edu> > wrote: > > Written by Ross Penner on 08/01/07 13:34>> > > Hi everybody, > > > > I'm trying to install a system on a machine that doesn't have an > optical > > drive. I plan on using a USB flash drive to do the job and found a > > messages from hackers@freebsd.org <mailto:hackers@freebsd.org> > > ( > http://www.mail-archive.com/freebsd-hackers@freebsd.org/msg55434.html > <http://www.mail-archive.com/freebsd-hackers@freebsd.org/msg55434.html>) > > about just such a thing. The script provided converts the CD > image into > > one suitable for a flashmemory stick. I used and coverted it > without > > issue. The instructions say to use dd to prepare the flash drive so > > executed > > #dd if=flashbsd.iso of=/dev/da0 > > I'm not entirely confident that that was the correct procedure, > as I'm > > quite unfamilar with dd. Unfortunetly, I can't seem to get the > drive to > > boot. I can mount the filesystem so it seems that prepareing the > drive > > was succesful. I'm using a via chipset and yes, the bios is set > to boot > > from USB-FDD. I used the 6.2 boot only image. > > > > Thanks for any insight you can provide me. > > > > Ross > > > > That seems correct to me. You may want to 'bsdlabel -B /dev/da0' after > writing the ufs image to it. The script you referenced does this to the > image before you write it to the flash drive, so the boot code should > already be there... but it appears to have gotten lost. > > > Perhaps it never worked in the first place? > > rosbot# bsdlabel -B /dev/da0 > bsdlabel: partition c doesn't cover the whole unit! > bsdlabel: An incorrect partition c may cause problems for standard > system utilities > > I didn't do anything to the drive before dd'ing to it. Should have it > been prepared somehow? I assumed dd would > take care of partitions. There is a da0a and a da0c in /dev/ . > No, that's just a warning message and does not prevent the bootcode from being installed. Have you ever booted any other system from this flash disk on this machine?
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