Re: Xen bootloader (was: Re: [Xen-devel] Xen Roadmap proposal)

[John Levon <levon@xxxxxxxxxxxxxxxxx>]

On Fri, Jul 14, 2006 at 05:13:37PM +0100, Mark Williamson wrote:

> > It means every OS with a file system that's not a Linux one will
> > typically have to write it two times more: for grub, and for Linux
> > (along with making Linux actually work well enough). And of course this
> > doubles the support/maintenance matrix as well.
> 
> Which OSes are you thinking of here?  Linux currently supports (assuming it 
> works well enough for read access) the boot filesystems of everything that 
> runs on Xen, plus more.

Presuming they all work well enough. Stuff like UFS is the sort of
corner code that doesn't get much love, because so few people use it.
Making boot rely on it not breaking seems worrying. To some degree, the
same goes for FAT.

> It's a fair point that it increases effort for OS maintainers if they have a 
> grub driver for a filesystem that Linux doesn't already support - I'm not 
> clear what this could be though.  Are you thinking about ZFS, perhaps?

Yes.

regards,
john

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