On 12.06.2012 [17:50:22 -0500], Greg Swift wrote:
> On Tue, Jun 12, 2012 at 5:43 PM, James Cammarata <j...@sngx.net> wrote:
> >> So this change on its own is insufficient in my environment. Here is the
> >> resulting bootlog:
> >>
> >> TFTP BOOT ---------------------------------------------------
> >> Server IP.....................9.3.191.134
> >> Client IP.....................9.3.192.209
> >> Gateway IP....................9.3.192.1
> >> Subnet Mask...................255.255.255.0
> >> ( 1 ) Filename................./yaboot
> >> TFTP Retries..................5
> >> Block Size....................512
> >> FINAL PACKET COUNT = 388
> >> FINAL FILE SIZE = 198376 BYTES
> >>
> >> Elapsed time since release of system processors: 18709 mins 13 secs
> >>
> >> ipv6 = <0>
> >> siaddr = <9.3.191.134>
> >> file = <>
> >> ciaddr = <9.3.192.209>
> >> giaddr = <9.3.192.1>
> >> bootp_retries = <5>
> >> tftp_retries = <5>
> >> addl_params = <512>
> >> dhcpv6 = <<NULL>>
> >> blksize = <<NULL>>
> >> Try to netboot
> >>
> >>
> >>
> >> TFTP BOOT ---------------------------------------------------
> >> Server IP.....................9.3.191.134
> >> Client IP.....................9.3.192.209
> >> Gateway IP....................9.3.192.1
> >> Subnet Mask...................255.255.255.0
> >> ( 1 ) Filename.................\etc\01-82-5c-60-4a-67-04
> >> TFTP Retries..................5
> >> Block Size....................512
> >> 1
> >> 2
> >> 3
> >> !BA017021 !
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >> Error, can't read config file
> >>
> >> ...
> >>
> >> It tries a few other config file locations, but then eventually drops to
> >> yaboot's prompt, with no kernels available, and if you hit enter there,
> >> it just tries to load the conf file again.
> >>
> >> FWIW, here was the generated stanza:
> >>
> >> host generic7 {
> >> hardware ethernet <AA:BB:CC:DD:EE:FF>;
> >> fixed-address <ip>;
> >> option host-name "<hostname>";
> >> option subnet-mask 255.255.255.0;
> >> option routers <gw>;
> >> filename "/yaboot";
> >> }
> >>
> >> If I change your commit slightly, I do get what I need:
> >>
> >>
> >>
> >> Do not generate either the next-server or filename sections of the DHCP
> >> stanza if a server is not setup to netboot. This allows DHCP
> >> environments to obtain IP addresses, but prevents netboot cycles on
> >> PowerPC.
> >>
> >> Signed-off-by: Nishanth Aravamudan <n...@us.ibm.com>
> >>
> >> diff --git a/templates/etc/dhcp.template b/templates/etc/dhcp.template
> >> index d7a28ef..58926ab 100644
> >> --- a/templates/etc/dhcp.template
> >> +++ b/templates/etc/dhcp.template
> >> @@ -50,6 +50,7 @@ group {
> >> #if $iface.gateway:
> >> option routers $iface.gateway;
> >> #end if
> >> + #if $iface.netboot_enabled:
> >> #if $iface.enable_gpxe:
> >> if exists user-class and option user-class = "gPXE" {
> >> filename
> >> "http://$cobbler_server/cblr/svc/op/gpxe/system/$iface.owner";;
> >> @@ -61,7 +62,6 @@ group {
> >> #end if
> >> ## Cobbler defaults to $next_server, but some users
> >> ## may like to use $iface.system.server for proxied setups
> >> - #if $iface.netboot_enabled:
> >> next-server $next_server;
> >> #end if
> >> ## next-server $iface.next_server;
> >>
> >> --
> >> Nishanth Aravamudan <n...@us.ibm.com>
> >> IBM Linux Technology Center
> >>
> >
> > It sounds like you need a new system (per-interface maybe?) setting to
> > prevent entries from being entered into the dhcpd.conf:
> >
> > if not netboot_enabled and disable_dhcp_entry:
> > continue
> >
> > disable_dhcp_entry would default to false.
>
> Isn't that just duplicating the function of checking the 'static' box?
That's a fair point, and I had tested Greg's version, which just
appended a 'and interface["static"]' to the line I added, and it did
work for my environment, as all of my IPs are statically determined.
Thanks,
Nish
--
Nishanth Aravamudan <n...@us.ibm.com>
IBM Linux Technology Center
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