On 13.08.2014 [13:34:45 -0400], Russell Roy wrote:
> Yeah.   If I'm not mistaken the Cobbler pxe_just_once scheme relies upon
> pulling mac addrs into and out of the tftpboot files (ie netboot disabled
> means "I have no tftpboot boot entry for your mac addr.")

Yep, it's purely a configuration of hte Cobbler server thing. If the
client still tries to netboot, it should just timeout/failover (but
requires client configuration on the ordering, etc.).

> This scheme breaks down if one chooses to hand out ip addrs (dhcp) and
> boot info (tftp) anonymously ie to *any* requesting mac.   When the
> ipmi pxe just once option is available, it gives us a means to
> decouple the boot preference from the mgmt of dhcp/tftp config files.

Yes, that does seem like a good option. As I mentioned, I think to test
it, it  should be straightforward to use a trigger, and then someone
could open an issue/work on a code-fix (probably needs a configuration
entry, etc.).

-Nish

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