Re: kern/54383: NFS root configuration without dynamic protocols: dhcp, bootp, etc ...

From: Steve Shorter (steve_at_nomad.lets.net)
Date: 11/29/03

  • Next message: Crist J. Clark: "Re: dhcp on one of 2 nics" 
    Date: Fri, 28 Nov 2003 19:54:31 -0500
To: omestre <omestre@freeshell.org>

    On Fri, Nov 28, 2003 at 04:35:25PM +0000, omestre wrote:
    > On Tue, 25 Nov 2003, Steve Shorter wrote:
    >
    > Hello!
    > Well, when i did and post that patch, i have mentioned about "It's not a
    > good/normal diskless solution"... but "it's still a solution! :))
    > alternative solution...
    > I have 6 (six) production diskless servers (4.7) and some ones (5.0) in
    > "tests". And
    > are working fine!
    > But now, my diskless servers are booting from CDROM/RW (5MB) images. When
    > i want change the kernels, well... in 30 minutes this task is done.
    > Thanks. (Just the fact of the freebsd hackers are "looking" my patch...
    > it is just great).
    > Think, maybe other crazy guy want my solution. To many "Options", this is
    > what OpenSource is all about. At least to me. With six or seven lines in
    > the loader.conf file and a kernel+mypatch, you have a diskless server.
    > Thanks again.
    >

            I used to boot from 16 meg solid state M-SYS IDE Pro
    devices. But abandoned that when I discovered how good
    PXE support was in STABLE and how simple and reliable it was.
    Your solution is OK for what you are doing.

            -steve

    > Leal.
    >
    > > Date: Tue, 25 Nov 2003 13:09:36 -0500
    > > From: Steve Shorter <steve@nomad.tor.lets.net>
    > > To: freebsd-net@freebsd.org
    > > Subject: kern/54383: NFS root configuration without dynamic protocols:
    > > dhcp, bootp, etc ...
    > >
    > > Howdy!
    > >
    > >
    > > I only boot from Intel cards that support PXE.
    > >
    > > This greatly simplifies the administration
    > > of large numbers of diskless machines. It makes kernel
    > > changes trivial. If your going to go diskless you may
    > > as well go all the way for the base/root system and kernel.
    > >
    > > If you need RAID disks for data then you can
    > > throw some swap on them, but otherwise with memory
    > > cheap you can usually get away without swap.
    > >
    > > The problem with hardrives isn't cost. Its a
    > > source of failure and administrative overhead.
    > > Avoid them. If you can't, then use RAID for data and
    > > still PXE boot over the network.
    > >
    > > Upgrading kernel on each machine is a major drag
    > > if there are lots of machines.
    > >
    > > In general a solution that is not scalable
    > > is not a good one.
    > >
    > >
    > > -steve
    > > _______________________________________________
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    > > http://lists.freebsd.org/mailman/listinfo/freebsd-net
    > > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org"
    > >
    >
    > omestre@sdf.lonestar.org
    > SDF Public Access UNIX System - http://sdf.lonestar.org
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