hostname resolving Re: FAI and partitions

[Geert Stappers]

At 19:30 +0100 11/27/01, Patrick Dreker wrote:
>Hello...
>
>Am Die, 2001-11-27 um 17.20 schrieb Antonio Beamud Montero:
>> El mar, 27-11-2001 a las 14:34, Thomas Lange escribió:
>> > >>>>> On Tue, 27 Nov 2001 13:57:49 +0100, Geert Stappers
>><Geert.Stappers at xs4all.nl> said:
>> >
>> >     > Are sure the hostname is the problem?
>> >
>> > I also think that the partition problem can't be an IP-address
>> > problem. FAI creates some very usefull log files. Why not using them ?
>> > I can not give any help without the log files. Please send the log
>> > files to fai at informatik.uni-koeln.de, and I will look for the error. It
>> > makes no sense to discuss an error without the log files !
>>
>> The problem is de ip-address, without a doubt. If I define the class
>> hostname like 192.168.0.87 the partition system works because fai
>> recognizes the ip-address and declares all it contents like new classes
>> i.e. 6GB and COPY. This way all works fine.
>> If I declare felino, nothing works, because fai can't resolve the
>> ip-address and can't get the hostname... (DNS works fine).
>
>I just had ther exact same problem, and the cause was the following (fix
>follows!):
>
>I am booting a beowolf off the net using the on board PXE capable
>Networkcards to do the setup in combination with DHCP (using ISC DHCP2).
>The Kernel which is used to boot the nodes from the NFSroot has IP Level
>Autoconfiguration enabled, and gets a commandline from PXElinux (a
>syslinux derivative) which tells it all IP Parameters. These parameters
>in turn are derived from the DHCP answer of the server, and as it turns
>out, DHCP does NOT set the hostname on the client, and if the Kernel
>finds no hostname it sets its hostname to the numeric IP Address it got
>from DHCP, and this is why the FAI scripts fail in that situation.
>
>I fixed this problem by adding
>option host-name "gridXX"
>to every host declaration in the DHCPd configuration file, so
>effectively one entry for an FAI client in my DHCP config looks like
>this:
>
>host grid15 {
>    option host-name "grid15";
>    option option-171 "install";
>    hardware ethernet 01:23:34:45:56:67;
>    fixed-address grid15.my.domain.com;
>}
>
>Note that all hosts have a valid DNS entry, otherwise the last line
>would need to be the numeric address, instead of the hostname.
>
>> The log doesn't say me nothing...
>> Continue playing... :-)
>Maybe your setup is not the same, but then again maybe it's a related or
>similar problem...


As a "BOOTP" user I didn't encounter such problems.

Is it a DHCP / FAI combination problem?


Geert