Kickstart + DHCP booting from CDROM/Memory Stick
dbrett at tcn.net
dbrett at tcn.net
Fri Jul 25 15:21:51 UTC 2008
"...the build DHCP server NAKs that address and forces a specific
address."
I would check how this process works. Booting from USB is
usually slower. I suspect it is a timing issue of all the processes
happening and the NAK is too fast. (Personally I didn't think it was
possible)
On Fri, 25 Jul 2008, Ryan Golhar wrote:
> Hopefully, this is the last of my weird problems...
>
> I have a bunch of systems on a subnet where IP addresses are given out by two
> DHCP servers. The primary DHCP server hands out addresses to every machines
> on this subnet. The build DHCP server hands out specific IP addresses to
> specific machines based on MAC address. If the primary DHCP server tries to
> hand out an address to one of a group of machines, the build DHCP server NAKs
> that address and forces a specific address.
>
> Don't ask why we do it this way, we just do and don't have a choice.
>
> In any case, if I boot RHEL5 for kickstarting a machine, from DVD, the
> correct IP address is obtained. If I boot from a USB Memory stick, the wrong
> IP address is obtained. I can consistently reproduce this.
>
> I highly doubt its the DHCP servers since this has been functioning for more
> than 5 yrs now. I suspect there is a difference in the boot process from
> memory stick to CD, but I'm not sure and am hoping someone here has more
> information?
>
> I don't want to have to burn a DVD each time there is a new RHEL release when
> creating a bootdisk image on a memory stick is much easier.
>
> Ryan
>
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