NetBSD/sys/arch/vax/INSTALL

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$NetBSD: INSTALL,v 1.2 1997/03/15 20:08:33 ragge Exp $
How to install NetBSD/vax
-------------------------
1. Device conventions.
NetBSD standalone system addresses devices like
'devicename(adapter, controller, unit, partition)'
Known devicenames are:
mt - MSCP tape. (TK50, TU81, ...)
ts - TSV05/TS11 tape.
ra - RA??/RD?? disks/floppies.
hp - RP??/RM?? disks.
rd - RD?? disks on MicroVAX 2000.
sd - SCSI disks.
st - SCSI tapes.
le - LANCE ethernet controller.
You can omit parameters; ra(0,0) refers to disk 0 partition a
on default controller. On tapes partition refers to file #
on the tape.
Example: DUB1 (DEC syntax) swap partition will be referred as
ra(1,0,1), DRA2 root partition is hp(2,0).
2. Installation.
This document covers installation of a miniroot filesystem on
the swap partition of a disk from tape/floppy, or setting up
a netbooted environment.
Installation of the remaining system on a local disk is best
done over network or from tape, but this is your own decision.
The installation principle is to label the root disk,
copy a miniroot filesystem onto the swap partition,
boot up from that miniroot filesystem, then create
root and the other wanted partitions and put system
to it.
You will have to deal with 2 files, one is just a boot
filesystem containing 3 files: boot, copy and edlabel,
the other is an image of a miniroot filesystem and can
be split into several pieces depending of what you are
going to install from.
2.1 INSTALLATION
2.1.1 Installation from TK50. (MicroVAX II/III)
You will need a file called tk50-file1-???.fs and a
file called tk50-file2-???.fs, where ??? is the
revision og NetBSD. These files must be written on tape
in sequential order; file 1 first and then file2.
_Blocksize_must_be_512!_ Otherwise the tape will not be
bootable. Then type:
>>> B/3 MUA0
This means that you will bring upp boot for asking
from TK50. (MUA0 is DEC naming). It will come up
something like
2..1..0..
howto 0x3, bdev 0x12, booting...
9852+456+34916 start 0x0
Nboot
:
At the prompt you type edlabel to label the disk, see
README.edlabel about how to use it.
When labeling is finished, halt the computer, bring up
the Nboot prompt again and this time load copy, see
README.copy about how to use it. Remember that you are
copying from file 1 on the tape.
Now go to step 3.
2.2 Installation from RX33/RX50. (MicroVAX II/III)
The difference between RX33 and RX50 is its size. RX50
is 400k and RX33 is 1200k.
You will need a file called rxDD-bootdisk-???.fs and
a couple of files called rxDD-copy?-???.fs, where DD
is 33 or 50 and ??? is the revision of NetBSD.
The RX33 installation will be 3 floppies and RX50
installation will be 7 floppies.
To boot from floppy type:
>>> B/3 DUxy
where x is the controller number and y is device number.
You will now get up a prompt like
Nboot
:
At the prompt you type edlabel to label the disk, see
README.edlabel about how to use it.
When labeling is finished, halt the computer, bring up
the Nboot prompt again and this time load copy, see
README.copy about how to use it. Remember that you are
copying from partition 0 when using floppies.
Now go to step 3.
2.3 Installation from TU58. (VAX 11/750).
Not yet :-(
2.4 Setting up a net-booted environment (VS2000)
All VAXen that can boot over network uses MOP, a DEC protocol.
To be able to use MOP, a MOP daemon must be present on one of
the machines on the local network. The boot principle is:
* The VS2000 broadcast a wish to load an image.
* A mopd answers and send the boot program to the VAX.
* The boot program does rarp requests, mounts the root filesystem
and loads the kernel.
* The kernel is loaded and starts executing.
You must have a mop daemon available to be able to boot.
A mopd written by moj@stacken.kth.se can be found at
ftp.stacken.kth.se:/pub/OS/NetBSD/mopd, and can be compiled
on many different architectures.
The boot program uses bootparamd for the rest of the boot sequence
in exactly the same way as SUNs does.
To set up a netbooted environment, you need to do the following:
* Get a mop daemon, and read the docs for configuration. The boot
file that shall be loaded is snapshot/boot.mopformat
* Get the snapshot tar files, and unpack them in a exportable
directory somewhere. Do also put the netbsd.GENERIC kernel
in the root of your NetBSD/vax hierarchy. Be sure you
remember to populate the /dev directory.
* Put the VS2000 ethernet number in ethers, the path to mount
root and swap in bootparams and exports and be sure to
export it. See your diskless docs for this.
* Now it shall boot up diskless.
You can use the same flags when booting over the net as when
booting from local disks; like: ">>>B/3 ESA0" will load boot
in ask state. From here you can load any file you want, even
copy and edlabel if they are located in the exported root fs.
Note 1: Netbooting of MicroVAX II/III systems with DEQNA/DELUA
ethernet does not work does not work yet because lack of standalone
drivers. Mounting of root and swap over NFS works goos though.
Note 2: Mopd won't work on VAXen with de/qe ethernet, due to the
lack of bpf support for those interfaces.
3. Booting up miniroot.
When copying is ready, bring the boot program up a third
time, and this time bring up a real system by telling
boot where you put your miniroot _and_ also the generic
kernel name. Example: ra(0,1)gennetbsd, boots gennetbsd
from swap partition on ra0.
When kernel is loaded, you will after a while get a
question about Root device?. Respond to this with
xx?*, where xx is the device name, ? is the unit
number and * tells that the system shall use the swap
partition as root partition. Example:
Root device? ra0*
After that a second question:
Enter pathname of shell or RETURN for sh:
Just type return. Now you will be in a normal single-user
shell, and it's just to newfs your partitions, and start
installation.
A few things that you must remember to do from miniroot:
disklabel -B <diskname> to install boot blocks.
MAKEDEV devices in the newly created root filesystem.
Copy gennetbsd and boot from miniroot filesystem
to the newly created root filesystem.
Good luck! (You may need it)
Ragge