From owner-freebsd-hackers  Sat Nov  4  9:59:52 2000
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From: John Hay <jhay@icomtek.csir.co.za>
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Subject: Re: dhcp boot was: Re: diskless workstation
In-Reply-To: <200011041721.JAA61486@whistle.com> from Doug Ambrisko at "Nov 4, 2000 09:21:58 am"
To: ambrisko@whistle.com (Doug Ambrisko)
Date: Sat, 4 Nov 2000 19:59:32 +0200 (SAT)
Cc: jhay@icomtek.csir.co.za (John Hay),
	msmith@FreeBSD.ORG (Mike Smith), danny@cs.huji.ac.il (Danny Braniss),
	freebsd-hackers@FreeBSD.ORG
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> John Hay writes:
> | > > the dhcp.xxx stuff is easy, the problem is that the DHCP options are not
> | > > enough, so im trying to look into defining a FBSDclass ala PXEClient, and
> | > > supplying stuff like usr-ip/usr-path swap-ip/swap-path or whatever.
> | > 
> | > You don't need those; you can get them out of /etc/fstab.  In particular, 
> | > the whole idea of passing the NFS swap details in at this stage is just 
> | > *totally* bogus.
> | 
> | How do you specify nfs swap in the fstab file? I have been trying the
> 
> You don't, it is done via the bootp or dhcp record option 128 for example
>           option option-128 "192.168.2.254:/usr/work/netboot";
> You then have to make the swap file in that directory of format
> 	swap.<IP of client>
> Use dd to create the file by copying /dev/zero for the size you want.
> 
> Note during boot up the kernel will tell you what it is using for 
> swap via this request.

The option-128 confuse the pxeboot program. If I put

option root-path "/export/diskless";
option option-128 "10.1.2.3:/export/shark";

in the dhcpd.conf file, pxeboot tries to mount /export/sharkM-^[^B-iÿ
as the root filesystem. Removing the option-128 line at least get me to
boot albeit without swap.

John
-- 
John Hay -- John.Hay@icomtek.csir.co.za


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