diskless boot, nfs server behind router
Daniel Braniss
danny at cs.huji.ac.il
Wed Jun 30 06:14:41 UTC 2010
>
>
> On Mon, 28 Jun 2010, Daniel Braniss wrote:
>
> >>
> >>
> >> On Mon, 28 Jun 2010, alexs at ulgsm.ru wrote:
> >>
> >>>
> >>>
> >>> kernel built with:
> >>> options BOOTP # Use BOOTP to obtain IP address/hostname
> >>> options BOOTP_NFSROOT # NFS mount root file system using BOOTP info
> >>> options BOOTP_NFSV3
> >>>
> >> Try building a kernel without the above options, but with
> >> options NFS_ROOT
> >> specified. I think that's what most pxeboot users do and it was what
> >> I had assumed when I looked at the code.
> >>
> >> If that doesn't fix the problem...I haven't got a solution for you, rick
> >
> > I use:
> > options BOOTP_NFSV3 # Use NFS v3 to NFS mount root
> >
>
> Here's the critical snippet of code:
> #if defined(BOOTP_NFSROOT) && defined(BOOTP)
> bootpc_init(); /* use bootp to get nfs_diskless filled in */
> #elif defined(NFS_ROOT)
> nfs_setup_diskless();
> #endif
>
> Just fyi, as you can see, unless you have BOOTP_NFSROOT and BOOTP options,
> it does things the NFS_ROOT way and basically ignores BOOTP_NFSV3.
> (At least thats the way it looks to me. I've been tricked by convoluted
> code before:-)
you are correct, I missed the NFS_ROOT which is defined in GENERIC, and yes,
convoluted is an understatement :-)
danny
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