Date: Sun, 01 Dec 2002 13:22:49 -0800 From: Tim Kientzle <kientzle@acm.org> To: lm <omestre@SDF.LONESTAR.ORG> Cc: freebsd-hackers@FreeBSD.ORG Subject: Re: file handle Message-ID: <3DEA7DA9.2050801@acm.org> References: <Pine.NEB.4.44.0211291740400.19875-100000@sdf.lonestar.org>
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lm wrote:
> I have some FreeBSD diskless machines, 4.7 ones, working fine.
> Now, because i know what variables to set, i do not want bootp anymore.
Why not?
DHCP (I prefer DHCP to bootp):
* Does not load the network very much
* Allows you to change boot information from
a single central server (if your NFS server
changes, you change one entry on your DHCP server;
you don't need to change something on every machine)
* Is stable and well-supported.
> I guess that freebsd do not think in this situation. Today, HD is not so
> expansive, and a misc solution is fine!
It is quite common to use a local HD together
with network booting:
* Local swap makes things much faster
* Local /tmp removes the need to have per-client
directories on the server for that purpose
* Many people even copy certain applications from
the server to the local HD at boot time.
For example, you might copy /usr/local and
/usr/lib from the server on every boot.
This makes boot much slower, but can dramatically
speed up regular operations, especially if
you have a very large number of machines.
(Some Beowulf-style systems do this.)
* Loading a kernel from local disk is
usually a bad idea; keeping the kernel on
the server simplifies future updates.
Remember: systems do not boot very often;
maintenance is more important than speed.
Most people find DHCP very helpful and
don't want to eliminate it. It keeps your
network information in a single place
which simplifies management of your
network.
Tim Kientzle
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