At the appropriate places, mention which servers should be running for
particular services (on the server). We're not providing fstab.nfs (on all platforms), so don't assume it exists. Some formatting improvements. Sort SEE ALSO according to mdoc.samples(7). filesystem -> file system
This commit is contained in:
wiz
parent
94b9258fc0
commit
d22f9e6c6d
@ -1,4 +1,4 @@
|
||||
.\" $NetBSD: diskless.8,v 1.20 2001/04/04 11:22:27 wiz Exp $
|
||||
.\" $NetBSD: diskless.8,v 1.21 2001/06/24 01:04:49 wiz Exp $
|
||||
.\"
|
||||
.\" Copyright (c) 1994 Gordon W. Ross, Theo de Raadt
|
||||
.\" All rights reserved.
|
||||
@ -37,23 +37,24 @@ The ability to boot a machine over the network is useful for
|
||||
or
|
||||
.Em dataless
|
||||
machines, or as a temporary measure while repairing or
|
||||
re-installing filesystems on a local disk.
|
||||
re-installing file systems on a local disk.
|
||||
This file provides a general description of the interactions between
|
||||
a client and its server when a client is booting over the network.
|
||||
The general description is followed by specific instructions for
|
||||
configuring a server for diskless Sun clients.
|
||||
.Pp
|
||||
.Sh OPERATION
|
||||
When booting a system over the network, there are three
|
||||
phases of interaction between client and server:
|
||||
.Pp
|
||||
.Bl -tag -width 1.2 -compact
|
||||
.It 1.
|
||||
.It 1 .
|
||||
The PROM (or stage-1 bootstrap) loads a boot program.
|
||||
.It 2.
|
||||
.It 2 .
|
||||
The boot program loads a kernel.
|
||||
.It 3.
|
||||
The kernel does NFS mounts for root.
|
||||
.It 3 .
|
||||
The kernel does
|
||||
.Tn NFS
|
||||
mounts for root.
|
||||
.El
|
||||
.Pp
|
||||
Each of these phases are described in further detail below.
|
||||
@ -78,7 +79,7 @@ using a special PROM on the network card.
|
||||
In phase 2, the boot program loads a kernel. Operation in
|
||||
this phase depends on the design of the boot program.
|
||||
(The design described here is the one used by Sun and
|
||||
.Nx Ns Tn /hp300 Ns .)
|
||||
.Nx Ns Tn /hp300 Ns . )
|
||||
The boot program:
|
||||
.Pp
|
||||
.Bl -tag -width 2.2 -compact
|
||||
@ -112,7 +113,9 @@ read calls on the kernel file handle.
|
||||
transfers control to the kernel entry point.
|
||||
.El
|
||||
.Pp
|
||||
In phase 3, the kernel does NFS mounts for root.
|
||||
In phase 3, the kernel does
|
||||
.Tn NFS
|
||||
mounts for root.
|
||||
The kernel repeats much of the work done by the boot program
|
||||
because there is no standard way for the boot program to pass
|
||||
the information it gathered on to the kernel.
|
||||
@ -149,10 +152,10 @@ This example will demonstrate how a Sun client
|
||||
might be configured -- other clients should be similar.
|
||||
.Pp
|
||||
Assuming the client's hostname is to be
|
||||
"myclient",
|
||||
.Dq myclient ,
|
||||
.Pp
|
||||
.Bl -tag -width 2.1 -compact
|
||||
.It 1.
|
||||
.It 1 .
|
||||
Add an entry to
|
||||
.Pa /etc/ethers
|
||||
corresponding to the client's ethernet address:
|
||||
@ -162,7 +165,7 @@ corresponding to the client's ethernet address:
|
||||
This will be used by
|
||||
.Xr rarpd 8 .
|
||||
.Pp
|
||||
.It 2.
|
||||
.It 2 .
|
||||
Assign an IP address for myclient in your
|
||||
.Pa /etc/hosts
|
||||
or DNS database:
|
||||
@ -170,7 +173,7 @@ or DNS database:
|
||||
192.197.96.12 myclient
|
||||
.Ed
|
||||
.Pp
|
||||
.It 3.
|
||||
.It 3 .
|
||||
If booting a Sun machine, ensure that
|
||||
.Pa /etc/inetd.conf
|
||||
is configured to run
|
||||
@ -190,10 +193,12 @@ See the
|
||||
.Xr rbootd 8
|
||||
manual page for more information.
|
||||
.Pp
|
||||
.It 4.
|
||||
.It 4 .
|
||||
If booting a SPARC machine, install a copy of the appropriate diskless boot
|
||||
loader (such as
|
||||
.Pa /usr/mdec/boot )
|
||||
.Pa /usr/mdec/boot
|
||||
or
|
||||
.Pa ofwboot.net )
|
||||
in the
|
||||
.Pa /tftpboot
|
||||
directory.
|
||||
@ -206,8 +211,8 @@ For example:
|
||||
# ln -s boot C0C5600C.SUN4
|
||||
.Ed
|
||||
.Pp
|
||||
For a Sun3 machine, the name would be just C0C5600C
|
||||
(the sun3 PROM does not append the architecture name). The name
|
||||
For a Sun3 or Ultra Sparc machine, the name would be just C0C5600C
|
||||
(there the PROM does not append the architecture name). The name
|
||||
used is architecture dependent, it simply has to match what the
|
||||
booting client's PROM wishes to it to be.
|
||||
If the client's PROM fails to fetch the expected file,
|
||||
@ -221,16 +226,19 @@ If booting an HP 300-series machine, ensure that the network boot program
|
||||
before installation)
|
||||
is installed in the directory
|
||||
.Pa /usr/mdec/rbootd .
|
||||
|
||||
.It 5.
|
||||
.Pp
|
||||
.It 5 .
|
||||
Add myclient to the bootparams database
|
||||
.Pa /etc/bootparams :
|
||||
.Bd -literal -offset indent -compact
|
||||
myclient root=server:/export/myclient/root \\
|
||||
gateway=mygw:255.255.255.0
|
||||
.Ed
|
||||
and ensure that
|
||||
.Xr rpc.bootparamd 8
|
||||
is running.
|
||||
.Pp
|
||||
.It 6.
|
||||
.It 6 .
|
||||
Build the swap file for myclient:
|
||||
.Bd -literal -offset indent -compact
|
||||
# cd /export/myclient/root
|
||||
@ -238,19 +246,19 @@ Build the swap file for myclient:
|
||||
.Ed
|
||||
This creates a 16 Megabyte swap file.
|
||||
.Pp
|
||||
.It 7.
|
||||
.It 7 .
|
||||
Populate myclient's
|
||||
.Pa /
|
||||
filesystem on the server. How this is done depends on the
|
||||
file system on the server. How this is done depends on the
|
||||
client architecture and the version of the
|
||||
.Nx
|
||||
distribution.
|
||||
It can be as simple as copying and modifying the server's root
|
||||
filesystem, or perhaps you need to get those files out of the
|
||||
file system, or perhaps you need to get those files out of the
|
||||
standard binary distribution.
|
||||
.Pp
|
||||
.It 8.
|
||||
Export the required filesystems in
|
||||
.It 8 .
|
||||
Export the required file systems in
|
||||
.Pa /etc/exports :
|
||||
.Bd -literal -offset indent -compact
|
||||
/usr -ro myclient
|
||||
@ -263,7 +271,7 @@ Export the required filesystems in
|
||||
If the server and client are of the same architecture, then the client
|
||||
can share the server's
|
||||
.Pa /usr
|
||||
filesystem (as is done above).
|
||||
file system (as is done above).
|
||||
If not, you must build a properly fleshed out
|
||||
.Pa /usr
|
||||
partition for the client in some other place.
|
||||
@ -279,26 +287,30 @@ lines:
|
||||
/export/myclient -rw=myclient,root=myclient
|
||||
.Ed
|
||||
.Pp
|
||||
.It 9.
|
||||
Of course, in either case you will have to have an
|
||||
.Tn NFS
|
||||
server running on the server side.
|
||||
.Pp
|
||||
.It 9 .
|
||||
Copy and customize at least the following files in
|
||||
.Pa /export/myclient/root :
|
||||
.Bd -literal -offset indent -compact
|
||||
# cd /export/myclient/root/etc
|
||||
# cp fstab.nfs fstab
|
||||
# vi fstab
|
||||
# cp /etc/hosts hosts
|
||||
# echo myclient > myname
|
||||
# echo 'hostname="myclient"' >> rc.conf
|
||||
# echo "inet 192.197.96.12" > ifconfig.le0
|
||||
.Ed
|
||||
.Pp
|
||||
Note that "le0" above should be replaced with the name of
|
||||
the network interface that the client will use for booting.
|
||||
.Pp
|
||||
.It 10.
|
||||
.It 10 .
|
||||
Correct the critical mount points and the swap file in the client's
|
||||
.Pa /etc/fstab
|
||||
(which will be
|
||||
.Pa /export/myclient/root/etc/fstab )
|
||||
ie.
|
||||
i.e.
|
||||
.Bd -literal -offset indent -compact
|
||||
myserver:/export/myclient/root / nfs rw 0 0
|
||||
myserver:/usr /usr nfs rw 0 0
|
||||
@ -316,7 +328,9 @@ Ethernet addresses of known clients
|
||||
.It Pa /etc/bootparams
|
||||
client root pathname
|
||||
.It Pa /etc/exports
|
||||
exported NFS mount points
|
||||
exported
|
||||
.Tn NFS
|
||||
mount points
|
||||
.It Pa /etc/rbootd.conf
|
||||
configuration file for HP Remote Boot Daemon
|
||||
.It Pa /tftpboot
|
||||
@ -325,13 +339,13 @@ location of boot programs loaded by the Sun PROM
|
||||
location of boot programs loaded by the HP Boot ROM
|
||||
.El
|
||||
.Sh SEE ALSO
|
||||
.Xr rarpd 8 ,
|
||||
.Xr ethers 5 ,
|
||||
.Xr tftpd 8 ,
|
||||
.Xr rpc.bootparamd 8 ,
|
||||
.Xr bootparams 5 ,
|
||||
.Xr mountd 8 ,
|
||||
.Xr ethers 5 ,
|
||||
.Xr exports 5 ,
|
||||
.Xr mountd 8 ,
|
||||
.Xr nfsd 8 ,
|
||||
.Xr rarpd 8 ,
|
||||
.Xr rbootd 8 ,
|
||||
.Xr reboot 8
|
||||
.Xr reboot 8 ,
|
||||
.Xr rpc.bootparamd 8 ,
|
||||
.Xr tftpd 8
|
||||
|
||||
Loading…
Reference in New Issue
Block a user