Date: Mon, 21 Jun 1999 14:00:35 +0200 From: Juergen Leising <a0037@stud.uni-bayreuth.de> To: freebsd-questions@FreeBSD.ORG Subject: Re: change root device with /boot/loader Message-ID: <19990621140035.B5229@jl2.hnet.de> In-Reply-To: <19990620223923.C9116@apogee.whack.org>; from Andrew Perkins on Sun, Jun 20, 1999 at 10:39:23PM -0700 References: <19990620223923.C9116@apogee.whack.org>
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On Sun, Jun 20, 1999 at 10:39:23PM -0700, Andrew Perkins wrote: > Hello everyone, > > After searching for the answer to this question, I have noticed > that other folks are having the same sort of problem, and no answer > has been posted. > > 1. Intro > FreeBSD 3.x (3.2-RELEASE in my case) uses a new 'third stage' boot > loader to augment the limited feature set of the 'second stage' > boot loader that many 2.2.x users are familiar with. > > 2. Problem > When FreeBSD is installed on the secondary IDE master drive, it > becomes necessary to explicitly specify an alternate root device. > This can be accomplished by telling the 'second stage' boot loader > where to boot from: (i.e. 0:wd(x,a)kernel in /boot.config, where > 'x' is the drive number). However, if one wishes to use some > features of the 'third stage' boot loader, setting rootdev may > not give the desired result as 'lsdev' in '/boot/loader' prints > something like: > > A: disk0 > C: disk1 > ... freebsd partitions here ... > D: disk2 > > when in reality, the BIOS boot order is set to 'D,A' and the > FreeBSD partitions should be located under disk2 (where they > really do exist, and where the kernel will look for them once > loaded.) > > 3. Question > How does one set the secondary IDE master drive as the root > device using /boot/loader.conf or related files? > I myself have put the following into /boot/loader.rc: set root_disk_unit=2 in order to have the kernel searching for / on the third disk: i. e. the first disk on the second controller. Bye, bye, Juergen. -- ***************************************************************** * Juergen Leising, E-Mail: juergen.leising@stud.uni-bayreuth.de * * http://www.stud.uni-bayreuth.de/~a0037/ * ***************************************************************** To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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