Installing OpenBSD is a relatively complex process, but if you have this document in hand it shouldn't be too much trouble. There are several ways to install OpenBSD onto a disk. The easiest way in terms of preliminary setup is to use the OpenBSD miniroot that can be booted off your local disk's swap partition. Alternatively, if your Sparcstation is hooked up in a network you can find a server and arrange for a diskless setup which is a convenient way to install on a machine whose disk does not currently hold a usable operating system (see the section `Installing using a diskless setup' below). Installing using the OpenBSD miniroot. The miniroot is a self-contained OpenBSD filesystem holding all utilities necessary to install OpenBSD on a local disk. It is distributed as a plain file designed to be transferred to a raw disk partition from which it can be booted using the appropriate PROM command. Usually, the miniroot will be loaded into the swap partition of a disk. If needed, you can use any other unused partition, but remember that the partition will then not available during the installation process. This will cause the kernel contained in the miniroot to be booted. After the initial probe messages you'll asked to start the install or upgrade procedure. Proceed to the section `Running the installation scripts' below. Installing using a diskless setup. First, you must setup a diskless client configuration on a server. If you are using a OpenBSD system as the boot-server, have a look at the diskless(8) manual page for guidelines on how to proceed with this. If the server runs another operating system, you'll have to consult documentation that came with it (on SunOS systems, add_client(8) is a good start). Your Sparcstation expects to be able to download a second stage bootstrap program via TFTP after having acquired its IP address through RevARP when instructed to boot "over the net". It will look for a filename composed of the machine's IP address followed by the machine's architecture, separated by a period. For example, a sun4c machine which has been assigned IP address 130.115.144.11, will make an TFTP request for `8273900B.SUN4C'. Normally, this file is a symbolic link to an appropriate second-stage boot program, which should be located in a place where the TFTP daemon can find it (remember, many TFTP daemons run in a chroot'ed environment). You can find the boot program in `/usr/mdec/boot' in the OpenBSD/sparc distribution. Unfortunately, it is necessary to install this file differently for sun4 and sun4c clients: the sun4 version needs to have its `a.out' header stripped off (otherwise the machine will crash), while the sun4c version must retain it (otherwise the PROM will complain). Here's an example to illustrate this whole mess: server# cd //usr/mdec if client is a sun4: server# set SKIP=1 server# set KARCH=SUN4 else server# set SKIP=0 server# set KARCH=SUN4C server# dd if=boot of=/tftpboot/boot.sparc.OpenBSD.$KARCH skip=$SKIP bs=32 server# cd /tftpboot server# ln -s boot.sparc.OpenBSD.$KARCH 8273900B.$KARCH Note: some versions of Openboot ROMs (sun4c/sun4m) seem to require that the boot program size is nicely rounded. Therefore it may be necessary to strip(8) off the symbol table. After the boot program has been loaded into memory and given control by the PROM, it starts locating the machine's remote root directory through the BOOTPARAM protocol. First a BOOTPARAM WHOAMI request is broadcast on the local net. The answer to this request (if it comes in) contains the client's name. This name is used in next step, a BOOTPARAM GETFILE request -- sent to the server that responded to the WHOAMI request -- requesting the name and address of the machine that will serve the client's root directory, as well as the path of the client's root on that server. Finally, this information (if it comes in) is used to issue a REMOTE MOUNT request to the client's root filesystem server, asking for an NFS file handle corresponding to the root filesystem. If successful, the boot program starts reading from the remote root filesystem in search of the kernel which is then read into memory. As noted above in the section `Preparing your System for OpenBSD Installation', you have several options when choosing a location to store the installation filesets. However, the easiest way is to put the *.tar.gz files you want to install into the root directory for your client on the server. Next, unpack `base.tar.gz' and `etc.tar.gz' on the server in the root directory for your machine. If you elect to use a separately NFS-mounted filesystem for `/usr' with your diskless setup, make sure the "./usr" base files in base.tar.gz end up in the correct location. One way to do this is to temporarily use a loopback mount on the server, re-routing /usr to your server's exported OpenBSD "/usr" directory. Also put the kernel and the install/upgrade scripts into the root directory. A few configuration files need to be edited: /etc/hosts Add the IP addresses of both server and client. /etc/myname This files contains the client's hostname; use the same name as in /etc/hosts. /etc/fstab Enter the entries for the remotely mounted filesystems. For example: server:/export/root/client / nfs rw 0 0 server:/export/exec/sun4.OpenBSD /usr nfs rw 0 0 Now you must populate the the `/dev' directory for your client. If you server runs SunOS 4.x, you can simply change your working directory to `/dev' and run the MAKEDEV script: `sh MAKEDEV all'. On SunOS 5.x systems, MAKEDEV can also be used, but there'll be error messages about unknown user and groups. These errors are inconsequential for the purpose of installing OpenBSD. However, you may want to correct them if you plan to the diskless setup regularly. In that case, you may re-run MAKEDEV on your OpenBSD machine once it has booted. Boot your workstation from the server by entering the appropriate `boot' command at the monitor prompt. Depending on the PROM version in your machine, this command takes one of the following forms: > b le()bsd -s # for sun4 monitors ok boot le()bsd -s # for version 1 OpenBOOT ROMs ok boot net bsd -s # for version 2 OpenBOOT ROMs This will boot the OpenBSD kernel in single-user mode. [[ NOTE: the latter two examples assume you operate the OpenBOOT ROM in "new command mode". If your machine comes up and gives you a `>' prompt instead of `ok', type: >n # enter native OpenBOOT mode ok setenv sunmon-compat? false # make it permanent ok ]] If you use a diskless setup with a separately NFS-mounted /usr filesystem, mount /usr by hand now: OpenBSD# mount /usr At this point, it's worth checking the disk label and partition sizes on the disk you want to install OpenBSD onto. OpenBSD understands SunOS-style disklabels, so if your disk was previously used by SunOS there will be a usable label on it. Use `disklabel -e ' (where is the device name assigned by the OpenBSD kernel, e.g. `sd0') to view and modify the partition sizes. See the section `Preparing your System for OpenBSD Installation' above for suggestions about disk partition sizes. Make sure all your partitions start and end on cylinder boundaries. NOTE: if you are installing on a SCSI disk that does *not* have a SunOS or OpenBSD label on it, you may still be able to use disklabel(8) but you'll have to create all partitions from scratch. If your disk is listed in `/etc/disktab', you may use the entry (which in most cases only defines a `c' partition to describe the whole disk) to put an initial label on the disk. DO NOT USE `disklabel -r ...' TO INITIALIZE YOUR DISK LABEL; THIS WILL LEAD TO UNPREDICTABLE RESULTS. This deficiency will be fixed in a next release. Here follows an example of what you'll see while in the disklabel editor. Do not touch any of the parameters except for the `label: ' entry and the actual partition size information at the bottom (the lines starting with `a:', `b:', ...). The size and offset fields are given in sector units. Be sure to make these numbers multiples of the of the number of sectors per cylinder: the kernel might be picky about these things, but aside from this you'll have the least chance of wasting disk space. Partitions on which you intend to have a mountable filesystem, should be given fstype `4.2BSD'. Remember, the `c' partition should describe the whole disk. The `(Cyl. x - y)' info that appears after the hash (`#') character is treated as a comment and need not be filled in when altering partitions. Special note: the line containing `8 partitions:' is best left alone, even if you {:-define-:} less then eight partitions. If this line displays a different number and the program complains about it (after you leave the editor), then try setting it to `8 partitions:'. OpenBSD# disklabel sd2 # /dev/rsd2c: type: SCSI disk: SCSI disk label: Hold Your Breath flags: bytes/sector: 512 sectors/track: 64 tracks/cylinder: 7 sectors/cylinder: 448 cylinders: 1429 rpm: 3600 interleave: 1 trackskew: 0 cylinderskew: 0 headswitch: 0 # milliseconds track-to-track seek: 0 # milliseconds drivedata: 0 8 partitions: # size offset fstype [fsize bsize cpg] a: 50176 0 4.2BSD 0 0 0 # (Cyl. 0 - 111) b: 64512 50176 swap # (Cyl. 112 - 255) c: 640192 0 unknown # (Cyl. 0 - 1428) d: 525504 114688 4.2BSD 0 0 0 # (Cyl. 256 - 1428) If you are upgrading a OpenBSD installation, start the upgrade script: OpenBSD# sh upgrade.sh else, start the installation script: OpenBSD# sh install.sh These scripts will do most of the work of transferring the system from the tar files onto your disk. You will frequently be asked for confirmation before the script proceeds with each phase of the installation process. Occasionally, you'll have to provide a piece of information such as the name of the disk you want to install on or IP addresses and domain names you want to assign. If your system has more than one disk, you may want to look at the output of the dmesg(8) command to see how your disks have been identified by the kernel. The installation script goes through the following phases: - determination of the disk to install OpenBSD on - checking of the partition information on the disk - creating and mounting the OpenBSD filesystems - setup of IP configuration - extraction of the distribution tar files - installation of boot programs Now try a reboot. (If needed, swap your scsi id's first). Initially I'd suggest you "boot sd()bsd -bs", then try multiuser after that. if you boot single-user the OpenBSD incantation to make the root filesystem writable is OpenBSD# mount -u /dev/sd0a / The Sun monitor normally tries to load a file called "vmunix". On OpenBOOT ROM systems you can change it to load OpenBSD instead using the following commands: On version 1 OpenBOOT ROMs: >n ok setenv boot-from sd(0,0,0)bsd ok On version 2 OpenBOOT ROMs: ok setenv boot-file bsd ok setenv boot-device /sbus/esp/sd@0,0 Congratulations, you have successfully installed OpenBSD OSREV. When you reboot into OpenBSD, you should log in as "root" at the login prompt. There is no initial password, but if you're using the machine in a networked environment, you should create yourself an account and protect it and the "root" account with good passwords. Some of the files in the OpenBSD OSREV distribution might need to be tailored for your site. In particular, the /etc/sendmail.cf file will almost definitely need to be adjusted, and other files in /etc will probably need to be modified. If you are unfamiliar with UN*X-like system administration, it's recommended that you buy a book that discusses it. Installing from SunOS. You need a SunOS machine to install OpenBSD. You also need at least the following pieces: the *.tar.gz files you want to install (as a minimum, base.tar.gz) gzip (GNU gzip) SunOS binary gtar (GNU tar) SunOS binary the "install.sh" script a "/boot" file from a SunOS machine that matches your machine type (e.g. sun or sun4c) a kernel, most likely "/bsd" All these pieces, except "/boot", are supplied in the OpenBSD/sparc distribution. You need to format and partition the disk using SunOS (since OpenBSD/sparc uses SunOS disk labels.) Give yourself adequate partition sizes. Here is an example layout: partition size offset will be.. sd2a 28140 0 / sd2b 16170 28140 swap sd2c 204540 0 `whole disk' sd2g 160230 44310 /usr BTW, These are not recommended sizes. They simply match the first (tiny) disk that OpenBSD/sparc ran on. Use SunOS to newfs the partitions which will have filesystems on them. (OpenBSD's filesystem format is identical to SunOS). sunos# newfs /dev/rsd2a [... lots of output] sunos# newfs /dev/rsd2g [... lots of output] NOTE: If you are able to, there is a performance benefit from newfs'ing using OpenBSD. If you newfs using the OpenBSD newfs command, be sure to use the -O flag for your / partition, so that newfs will use the 4.3BSD filesystem format, rather than the new 4.4BSD filesystem format. If you forget, you will not be able to boot -- the SunOS boot blocks do not understand the extended 4.4BSD filesystem format. Mount those partitions in a tree formation, under /mnt; ie: sunos# df Filesystem kbytes used avail capacity Mounted on [...] /dev/sd2a 11501 0 11501 0% /mnt /dev/sd2g 179529 0 179529 0% /mnt/usr Place a standard SunOS "/boot" program in /mnt (your new root partition), and use the SunOS command "installboot" to make it work. The installboot man page says to do something like this: sunos# cp /boot /mnt/boot sunos# /usr/mdec/installboot -vlt /mnt/boot /usr/mdec/bootsd /dev/rsd2a You can now extract the provided "*.tar.gz files onto your disk. The provided script, "install_from_sunos.sh" will help you: sunos# ls -FC base.tar.gz etc.tar.gz man.tar.gz secr.tar.gz comp.tar.gz games.tar.gz misc.tar.gz install.sh bsd.id3_scsi sunos# ./install_from_sunos.sh [...] This script NEEDS gzip and gtar (GNU gzip and GNU tar) on your execution path! The tar files are in a "new format" that includes directory information, and SunOS tar will not read them. Statically linked versions of these programs for SunOS are supplied in the distribution. After the files have been extracted, repair /mnt/etc/fstab to match your actual disk layout. (Minus the "/mnt" component of each path, of course :-) Now proceed to reboot the machine as described above in "Installing using a diskless setup".