On 11/20/12 11:07 PM, Lux, Jim (337C) wrote: > On the other hand, there is some value in thrashing your way through it > manually the first time, especially with a small cluster like Duke is putting > together. > I'm a huge fan of automation and tools, in general, but... when it breaks, > you have no clue what's wrong. > > You can think of it as a week's worth of lab classes in cluster admin. > > (I went through a similar set of hassles trying to PXEboot a 4 node cluster > over a wireless LAN.. It took me two weeks to figure it all out, but, boy, > did I know a LOT more about Debian, NFS mounts, and how the boot process > worked after that. )
Agreed! I recall the first time I tried with a small wifi cluster (one desktop and two laptops), it took me like days to set up just the DHCP server, and now it took me only a few seconds. I like automation too, but I also want all to be in my control :). D. > > Jim Lux > > -----Original Message----- > From: beowulf-boun...@beowulf.org [mailto:beowulf-boun...@beowulf.org] On > Behalf Of Tru Huynh > Sent: Monday, November 19, 2012 5:05 AM > To: Duke Nguyen > Cc: Beowulf Mailing List > Subject: Re: [Beowulf] PXEBoot struggling > > On Mon, Nov 19, 2012 at 03:43:48PM +0700, Duke Nguyen wrote: >> Hi folks, >> > ... >> After few days struggling with the system, here are what I have done: >> * install SL6.3 on master node >> * install DHCP server (using dhcpd) on master node >> * install xinetd and enable tftp >> * open firewall for tftp and dhcpd using iptables > You could ease your way and try warewulf: > http://hpc.admin-magazine.com/Articles/Warewulf-Cluster-Manager-Master-and-Compute-Nodes > >> So to summarize: >> * boot using liveCD -> OK, logging in fine >> * boot using rsync of master node's system -> OK, cant log in > SElinux is probably on the way, did you relabel? >> * boot using rsync of client node's sytem -> cant boot > you need to build/setup the boot from nfs on yur diskless clients. > - do you have dracut-network installed (required for nfs booting) > - pass the nfsroot flags to your client > something like root=nfs:master:/nfsroot/c6 rw > - fix /etc/fstab for / > - fix /etc/sysconfig/network-scripts/ifcfg-eth0 > ONBOOT=no # since you already have network > > Cheers, > > Tru _______________________________________________ Beowulf mailing list, Beowulf@beowulf.org sponsored by Penguin Computing To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf
