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cluster:139 [2015/04/10 17:56]
hmeij [Warewulf LBL] 		cluster:139 [2015/04/16 18:00]
hmeij
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 </code> </code>
  
-Next restart some warewulf services. I had to edit the /etc/warewulf/dhcpd-template.conf several times and hardcoded the values in for network, netmask and ipaddr becuase I realized this server is my virtualization KVM host and eth0 is bridged to br0 and warewulf is looking at the first ethernet and picks up eth1.+Next restart some warewulf services. I had to edit the /etc/warewulf/dhcpd-template.conf several times and hardcoded the values in for network, netmask and ipaddr because I realized this server is my virtualization KVM test host and eth0 is bridged to br0 and warewulf is looking at the first ethernet and picks up eth1.
  
 <code> <code>
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 </code> </code>
  
-Booting the node we observe the eth0 MAC address being picked up by DHCPd followed by the tftpboot process.  The node boots, et voila, CentOS 6.6 //stateless// compute node.+Booting the node we observe the eth0 MAC address being picked up by DHCPd followed by the tftpboot process.  The node boots, et voila, CentOS 6.6 //stateless// compute node. Next import files we want the same on all nodes and associate them with the nodes. 
 + 
 +<code> 
 + 
 +[root@petaltail ~]# wwsh file import /etc/passwd 
 + 
 +[root@petaltail ~]# wwsh file list 
 +dynamic_hosts           : -rw-r--r-- 0   root root            10174 /etc/hosts 
 +group                   : -rw-r--r-- 1   root root             6247 /etc/group 
 +passwd                  : -rw-r--r-- 1   root root            20094 /etc/passwd 
 +shadow                  : ---------- 1   root root            23663 /etc/shadow 
 + 
 +[root@petaltail ~]# wwsh provision set b[0-51] --fileadd passwd 
 + 
 +[root@petaltail ~]# wwsh provision print 
 +#### b51.cluster ############################################################## 
 +    b51.cluster: BOOTSTRAP        = 2.6.32-504.8.1.el6.x86_64 
 +    b51.cluster: VNFS             = centos-6 
 +    b51.cluster: FILES            = dynamic_hosts,group,passwd,shadow 
 +    b51.cluster: PRESHELL         = FALSE 
 +    b51.cluster: POSTSHELL        = FALSE 
 +    b51.cluster: CONSOLE          = UNDEF 
 +    b51.cluster: PXELINUX         = UNDEF 
 +    b51.cluster: SELINUX          = DISABLED 
 +    b51.cluster: KARGS            = "quiet" 
 +    b51.cluster: BOOTLOCAL        = FALSE 
 +... 
 + 
 +</code> 
 + 
 +Next build a hybrid VNFS, this is the way to add packages to the nodes.  For example NTP. 
 + 
 +<code> 
 + 
 +cd /var/chroots/centos-6/ 
 +mkdir vnfs 
 + 
 +vi etc/fstab (inside of chroot area, edit) 
 +192.168.1.217:/var/chroots/centos-6 /vnfs nfs defaults 0 0 
 + 
 +wwvnfs --chroot /var/chroots/centos-6 --hybridpath=/vnfs 
 +Overwrite original: y 
 + 
 +# reboot node, observe mount, then add NTP to chgroot 
 + 
 +yum --tolerant --installroot /var/chroots/centos-6 -y install ntp 
 + 
 +vi etc/init.d/ntpd (inside of chroot, edit) 
 +# chkconfig: 35 58 74 
 + 
 +# then make the following links in etc/rc[3|5].d/S58ntpd pointing to ../init.d/ntpd 
 + 
 +vi etc/ntp.conf (inside of chroot, sole contents are, IP is master on private network) 
 +restrict default ignore 
 +restrict 127.0.0.0 
 +server 192.168.1.217 
 +restrict 192.168.1.217 nomodify 
 + 
 +wwvnfs --chroot /var/chroots/centos-6 --hybridpath=/vnfs -y 
 +VNFS 'centos-6 has been imported 
 + 
 +# reboot node 
 + 
 +</code>
  
 Useful links Useful links
cluster/139.txt · Last modified: 2018/08/16 12:58 by hmeij07

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