Matt Baker wrote:
After successfully building a couple of machines using cobbler, I was
after some suggestions on the best way to go about rolling it out on a
larger scale.
Our machines all have two ethernet interfaces setup as follows:
eth0 - public interface, will be configured with a static IP
eth1 - build network, will be configured using DHCP managed by
cobbler, with PXE booting across this network.
After a bit of playing around, I have managed to get PXE booting from
eth1 okay, and the first steps of the process occur okay. The OS
though (CentOS) keeps still prompting for the IP address to assign eth0
Basically this deals with not having the extra network line in the
kickstart file, not with what you have configured in Cobbler.
The system was added to cobbler using the following command:
cobbler system add --profile=CentOS-5.1-x86_64 --interface=0
--ip=x..x.x.1 --mac=00:x:x:x:9A:F8 --gateway=x.x.x.254 --interface=1
--name=00:x:x:x:9A:F9
This is fine, in fact, interface=0 is the default, so you don't need to
specify it. You can have any number of interfaces listed here (well,
up to 8 currently), and you do not need to enter all of them into
Cobbler, just the ones that you need to show up in the PXE Linux tree
and possibly for DHCP reservations.
I assume the "x's" are just to not share the full details here and
aren't literal.
where the IP x.x.x.1 is on the public interface (ethernet addr
00:x:x:x:9A:F8)
and ethernet 00:x:x:x:9A:F9 is on the build network interface
Is this the "right" way to go about this, or should I instead be
modifying profiles/ks files?
You need to do both. If you have two network interfaces, your
kickstart needs two network lines.
Basically you can use variables like $ip_address_intf0 and so forth in
there to automate filling those in if you like, or just putting in two
lines to tell both interfaces to dhcp. You might also be able to
indicate the other interface should not be used there also.
I'd also recommend looking into ksdevice=link for kernel options.
Thanks for any suggestions,
Matt
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