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Getting started...

* How to start a NetBSD domain
- prepare and export an nfs root filesystem for the domain using the i386
- build a NetBSD/xen kernel
- boot Xen with Xenolinux in DOM0
- start the NetBSD domain from the Xenolinux domain with the
xc_dom_create.py utility and the netbsd config file included with Xen:
xc_dom_create.py -f netbsd -D
'vmid=VM_ID;ip=DOMAIN_IP;nfsserv=SERVER_IP;nfsroot=/path/to/nfsroot' -m
MEM_MB -k /path/to/netbsd
e.g.: xc_dom_create.py -f netbsd -D
'vmid=1;ip=;nfsserv=;nfsroot=/netboot/qube' -m 32 -k
- alternatively modify the config file to match your environment

* How to get Xen in the first place:
1st option:
- use the Xen 1.2 DemoCD
2nd option:
- have already a Linux installation
- get the Xen 1.2 sources
- build the Xen kernel (run make in the xen subdir)
- get the linux-2.4.24 kernel source
- mangle the linux kernel source into a xenolinux source (run mkbuildtree
/path/to/linux-2.4.24 in the xenolinux-2.4.24-sparse subdir)
- build xenolinux: (run the following in the xenolinux source tree)
  ARCH=xeno make oldconfig
  ARCH=xeno make dep
  ARCH=xeno make bzImage
  => the kernel will be at arch/xeno/boot/xenolinux.gz
- install Grub and use an entry like this to boot Xen
title Xen / XenoLinux 2.4.24
  kernel /boot/image.gz dom0_mem=65536
  module /boot/xenolinux.gz root=/dev/hda1 console=tty0 console=xencons0

The 1st option needs an NFS server on a 2nd machine to hold the nfs root
the NetBSD domain(s).  With the 2nd option you can use the Linux running in
domain0 as NFS server.

Good Luck...
Christian Limpach <chris%pin.lu@localhost>

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