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xen-devel
RE: [Xen-devel] boot loaders for domain != 0
> I know that one doesn't need a bootloader for domains != 0.
> However, I
> have a desire to configure a system this way (to make it a
> good facimily
> of a bare metal system) and am wondering what if any support for boot
> loaders there might be? I presume that there is no BIOS
> available when
> running on 'xen virtualised hardware'. Is there anything
> even similar
> available or planned. How hard might it be?
I think you could get most of this functionality by allowing the
location of the kernel to be specified as a file within one of the
guests virtual disks (assuming dom0 knows how to mount the root file
system).
We could also access a config file within the guest's virtual disk that
could be used to override a subset of the config parameters (e.g.
command line, kernel image name etc).
E.g.:
kernel = phy:vg01/myvm//boot/vmlinuz.gz
This would mount mount /dev/vg01/myvm, copy out the kernel file to /tmp,
unmount the partition, then use the kernel in /tmp as the image.
Volunteers? :-)
Thanks,
Ian
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