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Old 09-14-2009, 09:53 AM   #1
Registered: Aug 2009
Distribution: Gentoo Xenserver (x/k)ubuntu CentOS
Posts: 36

Rep: Reputation: 15
debian cluster

hi everyone!!

i've tried to build a cluster:

i use 3 IPB lenovo ThinkCentre (4GB Ram, Intelcore DUO, 160GB HD, Intel Ethernetcard with PXE)

on one ive installed debian
and made the guide from

everything worked fine but the only 2 lines i wasnt able to do were
make patch
make defconfig
maybe this has something to do with this...

i tried to boot up the nodes but get only something like this
GNU GRUB 0.97...

Server 10.60.660.121

Minimal bashlike....

address and server are correct but netmask and gateway are incorrect...

ive done everything like the howto told me but i replaced the address ( with; and with
as a nameserver i use the one of the local school

thanks for any help
Old 09-14-2009, 03:00 PM   #2
Registered: Feb 2002
Location: Grenoble
Distribution: Debian
Posts: 9,570

Rep: Reputation: 171Reputation: 171
There's probably something wring with the dhcpd configuration (when editing /etc/dhcp3/dhcpd.conf).

My suggestion for part3:
subnet netmask {
option routers;
option broadcast-address;
Note that if you use netmask then subnet and broadcast in the section above will be different ( and, respectively).
Old 09-14-2009, 05:57 PM   #3
Registered: Aug 2009
Distribution: Gentoo Xenserver (x/k)ubuntu CentOS
Posts: 36

Original Poster
Rep: Reputation: 15
Well i know About your suggestion meaning of subnetmasking.
Still want to use a c-Class Network (don't own so many noses) ;D

apretiate help
Old 09-15-2009, 03:20 AM   #4
Registered: Aug 2009
Distribution: Gentoo Xenserver (x/k)ubuntu CentOS
Posts: 36

Original Poster
Rep: Reputation: 15
well ive doublechecked the config files

rebooted the system and still get no gateway and netmask

pxegrub is also not loading
I just get a minimal bash

when i try to enter
grub> root (nd)

i get filesystemtype is tftp, using the hole disk
to boot the kernel i tried to
grub> kernel /vmlinuz-2.6.20-krg

UNDI API call 0x0025 failed with status 0x0001
and more lines like this one...

Last edited by strubbldesign; 09-15-2009 at 03:27 AM. Reason: aditional info
Old 09-15-2009, 07:26 AM   #5
Registered: Aug 2009
Distribution: Gentoo Xenserver (x/k)ubuntu CentOS
Posts: 36

Original Poster
Rep: Reputation: 15
step 2

i've done the trick...

ive changed tftpd-hpa to atftpd and made changes like:

all nodes get the correct ip nm gw and broadcastaddress

but i get the error while booting the nodes, that i they cant find the files

PXE-T01: file not found
PXE-E3B-TFTP Error file not found
PXE-M0F exiting Intel boot agent
so here are my config files...

please help me...

OPTIONS="--tftpd-timeout 300 --retry-timeout 5 --mcast-port 1758 --mcast-addr --mcast-ttl 2 --maxthread 100 --daemon --verbose=5 path=/srv/tftp/"
is this correct to set default tftp dir to /srv/tftp ??

timeout 5
default vmlinuz-2.6.20-krg
label DebianCluster by Andi
kernel /vmlinuz-2.6.20-krg
append console=tty1 root=/dev/nfs nfsroot= ro ip=dhcp pci=nommconf
# Defaults for dhcp initscript
# sourced by /etc/init.d/dhcp
# installed at /etc/default/dhcp3-server by the maintainer scripts

# This is a POSIX shell fragment

# On what interfaces should the DHCP server (dhcpd) serve DHCP requests?
# Separate multiple interfaces with spaces, e.g. "eth0 eth1".

#GRUB magic
option grub-menu code 150=string;

#general options
option dhcp-max-message-size 2048;
use-host-decl-names on;
deny unknown-clients;
deny bootp;

option domain-name "mycluster.home";
option domain-name-servers;
option ntp-servers;

subnet netmask {
option routers;
option broadcast-address;

group {
filename "pxelinux.0";
option grub-menu = concat("(nd)/grub/", host-decl-name);
option dhcp-parameter-request-list = concat(option dhcp-parameter-request-list,96);
option root-path "";
host ssi1 {fixed-address; hardware ethernet 00:09:6B:1D:B2:56;}
host ssi2 {fixed-address; hardware ethernet 00:21:86:ED:E9:6B;}
# /etc/exports: the access control list for filesystems which may be exported
# to NFS clients. See exports(5).
# Example for NFSv2 and NFSv3:
# /srv/homes hostname1(rw,sync,no_subtree_check) hostname2(ro,sync,no_subtree_check)
# Example for NFSv4:
# /srv/nfs4 gss/krb5i(rw,sync,fsid=0,crossmnt,no_subtree_check)
# /srv/nfs4/homes gss/krb5i(rw,sync,no_subtree_check)
/NFSROOT/kerrighed *(ro,async,no_root_squash,no_subtree_check)
/NFSROOT/kerrighed/tmp *(rw,sync,no_root_squash,no_subtree_check)
/NFSROOT/kerrighed/var *(rw,sync,no_root_squash,no_subtree_check)
/NFSROOT/kerrighed/dev *(rw,sync,no_root_squash,no_subtree_check)
/NFSROOT/kerrighed/root *(rw,sync,no_root_squash,no_subtree_check)
# /etc/fstab: static file system information.
# Use 'vol_id --uuid' to print the universally unique identifier for a
# device; this may be used with UUID= as a more robust way to name devices
# that works even if disks are added and removed. See fstab(5).
# <file system> <mount point> <type> <options> <dump> <pass>
proc /proc proc defaults 0 0
# / was on /dev/sda1 during installation
UUID=0287639f-863d-4b55-a158-6ae2ae9dcead / ext3 errors=remount-ro 0 1
# swap was on /dev/sda5 during installation
UUID=503f4ef1-d527-46fe-84ad-76761d03e06d none swap sw 0 0
/dev/scd0 /media/cdrom0 udf,iso9660 user,noauto 0 0
Quote: localhost server.mycluser.home server

# The following lines are desirable for IPv6 capable hosts
::1 localhost ip6-localhost ip6-loopback
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters
/srv/tftp/grub/ssi1 (und 2)
timeout 5

title Kerrighed Cluster by Andi
root (nd)
kernel /vmlinuz-2.6.20-krg root=/dev/nfs ip=dhcp nfsroot= session_id=121
and from my chrooted environment the /etc/fstab
# a swap partition
#/dev/sda none swap sw 0 0
none /proc proc defaults 0 0
none /sys sysfs defaults 0 0
none /var/run tmpfs defaults 0 0
#NFSROOT /dev nfs rw,hard,nolock 0 0 /var nfs rw,hard,nolock 0 0 /tmp nfs rw,hard,nolock 0 0 /root nfs rw,hard,nolock 0 0 /etc nfs rw,hard,nolock 0 0

none /var/run tmpfs defaults 0 0


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