v40z 's and booting from usb cdrom 2006-02-15 - By Sean Bruno
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On Wed, 2006-02-15 at 14:52 +0000, Illtud Daniel wrote:
> Hi,
>
> We've got four Sun v40z's fully populated with disks
> (thus taking the slot normally taken by the floppy & DVD
> drive). The BIOS supports booting from usb floppy, but not
> other usb devices, including usb cds or pendrives.
>
> So, how would we go about booting an arbitrary boot CD
> (say Sun v40z diagnostics boot cd) with this setup?
> Is there any way to initialize a USB CD boot from a
> floppy? Could I bootstrap booting an NFS exported ISO?
> From what I've read, I can't PXE boot a CD image.
>
> I've asked this question on the Sun Managers list, I've
> asked Sun, now I'm asking this list on the tenuous ground
> that the server's actually running RHEL3 when I'm not
> trying to boot arbitrary boot CDs on it.
>
> Failing an arbitrary CD, what's the best way to boot a
> RHEL rescue CD? Can I do that through PXE?
>
I haven't tried this, but it should be possible to 'dd' the boot floppy
image to a USB stick and then do a net boot.
But your best bet is to setup DHCP/PXE booting.
This looks fairly promising:
http://www.stanford.edu/~alfw/PXE-Kickstart/PXE-Kickstart.html
Sean
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