Re: Diskless Ultra 1 possible?
From: DoN. Nichols (dnichols_at_d-and-d.com)
Date: 03/26/05
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Date: 26 Mar 2005 01:28:11 -0500
In article <1111761582.384699.195780@o13g2000cwo.googlegroups.com>,
rodders <john.rodders@gmail.com> wrote:
>> Why* do you want it to be diskless?
>
>Mostly because i don't have a hard drive for it, and anyway hard drives
>make a noise and use power.
>Also i just feel like it :)
O.K.
>> "Buy it Now" at $39.00 (Plus $19 S&H fee -- you have to look out for
>> those).
>
>Thats about £30, the ultra was £12.
That puts it into perspective.
BTW Check the CPU fan in the Ultra-1. I don't know which speed you
have, but my 1/140 got through an install, and almost
immediately started to shut down because the CPU was
overheating. a bit of examination showed that the fan was
stalled -- jammed with housedust, cat hair, and other things. I
was able to make it run for a while, but eventually wound up
ordering a replacement from Mouser (or was it Digi-Key?) and
installing it.
> I suppose I might have to buy a
>disk, but it seems the config i suggested _is_ possible in a sane OS as
>proven by the Diskless NetBSD HOWTO -
>http://www.netbsd.org/Documentation/network/netboot/
>Root over NFS HOWTO -
>http://fsug.org.usyd.edu.au/documentation/HOWTO/Diskless-root-NFS-HOWTO.html
How much RAM does the system have? You need enough to provide
the root filesystem (as downloaded from the server) I believe.
Normally, the local disk is used for swap space, if nothing else,
because swapping over the net can be deadly slow.
>Back to the origonal questions, what am i doing wrong so that I don't
>see a Solaris installer? is it just that those instructions (
>http://www.znark.com/tech/solarisinstall.html ) assume i have a HDD?
>Should I create the Solaris file system by hand and then serve it over
>NFS?
I don't think that is necessary -- though there has to be an
install of the root filesytem tree in an export filesystem.
>Does everyone really think this is bad idea?
Probably -- but if you are in a protected area, play with it and
see what you can do. The more elaborate the OS, the lesser your chance
of success. Look at something like OpenBSDs network install process to
see how to do the network booted system. (Actually, even Solaris has
that possibility -- but in both cases, the kernel is rather stripped to
minimal stuff necessary to accomplish the install. OpenBSD has three
floppy images for Intel hardwares, each with a different list of
supported hardware. And I have done installs of OpenBSD to Intel boxen
in which OpenBSD could not see the CD-ROM drive -- such as an old IBM
ThinkPad 760XD. I had to boot from floppy, and install over the net.
Good Luck,
DoN.
-- Email: <dnichols@d-and-d.com> | Voice (all times): (703) 938-4564 (too) near Washington D.C. | http://www.d-and-d.com/dnichols/DoN.html --- Black Holes are where God is dividing by zero ---
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