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cluster:139 [2015/04/08 17:45]
hmeij 		cluster:139 [2015/04/08 18:11]
hmeij
Line 5: Line 5:
  
   * [[http://warewulf.lbl.gov/trac]] Warewulf is a scalable systems management suite originally developed to manage large high-performance Linux clusters.  My Project Kusu replacement since IBM bought up Platform LSF and dished the hpccommunnity.org web site, grrrh. (old info at https://dokuwiki.wesleyan.edu/doku.php?id=cluster:88)   * [[http://warewulf.lbl.gov/trac]] Warewulf is a scalable systems management suite originally developed to manage large high-performance Linux clusters.  My Project Kusu replacement since IBM bought up Platform LSF and dished the hpccommunnity.org web site, grrrh. (old info at https://dokuwiki.wesleyan.edu/doku.php?id=cluster:88)
 +
 +Get RPMs and install.
 +
 +<code>
 +
 +[root@petaltail ~]# wget -O /etc/yum.repos.d/warewulf-rhel6.repo http://warewulf.lbl.gov/downloads/repo/warewulf-rhel6.repo
 +--2015-04-07 08:45:56--  http://warewulf.lbl.gov/downloads/repo/warewulf-rhel6.repo                                        
 +Resolving warewulf.lbl.gov... 128.3.7.27                                                                                   
 +Connecting to warewulf.lbl.gov|128.3.7.27|:80... connected.                                                                
 +HTTP request sent, awaiting response... 200 OK                                                                             
 +Length: 126 [text/plain]                                                                                                   
 +Saving to: â/etc/yum.repos.d/warewulf-rhel6.repoâ                                                                         
 +
 +100%[======================================================================================>] 126         --.-K/s   in 0s      
 +
 +2015-04-07 08:45:56 (22.9 MB/s) - â/etc/yum.repos.d/warewulf-rhel6.repoâsaved [126/126]
 +
 +[root@petaltail ~]# yum install warewulf-common warewulf-cluster warewulf-provision 
 +
 +Installed:
 +  warewulf-cluster.x86_64 0:3.6-1.el6          warewulf-common.noarch 0:3.6-1.el6        warewulf-icr.x86_64 0:3.6-1.el6
 +  warewulf-provision.x86_64 0:3.6-1.el6
 +
 +Dependency Installed:
 +  dhcp.x86_64 12:4.1.1-43.P1.el6.centos.1    tftp-server.x86_64 0:0.49-7.el6    warewulf-provision-server.x86_64 0:3.6-1.el6
 +  warewulf-vnfs.noarch 0:3.6-1.el6
 +
 +Complete!
 +
 +</code>
 +
 +Get and install MySQL and set mysql user root's password.
 +
 +<code>
 +                                              
 +[root@petaltail warewulf]# vi /etc/warewulf/database-root.conf 
 +[root@petaltail warewulf]# service mysqld status
 +
 +mysql> set password for 'root'@'localhost' = PASSWORD('some_string');
 +Query OK, 0 rows affected (0.00 sec)                                
 +
 +[root@petaltail warewulf]# chmod o-r /etc/warewulf/database-root.conf                                  
 +     
 +</code>
 +
 +In the provision config file I turned dynamic_hosts, hostfile and localdomain off (I'll manage those manually) and my private network is run over eth0 (192.168.0.0/255.255.0.0).
 +
 +<code>
 +
 +[root@petaltail warewulf]# vi /etc/warewulf/provision.conf 
 +[root@petaltail warewulf]# vi /etc/warewulf/provision.conf 
 +
 +</code>
 +
 +Next comes a piece of mystery. When executing  ''wwinit ALL'' I ran into a lether, no less, error. After much digging found the answer here and surprisingly found little in the documentation on this.
 +
 +  * Lethal error thrown by module: /usr/libexec/warewulf/wwinit/91-vnfs.init
 +  * answer is here https://groups.google.com/a/lbl.gov/forum/#!topic/warewulf/5OhfZCf_eqE
 +
 +So we start by making the chroot directories, first we'll build a generic centos-6. Then we initialize the warewulf environment.
 +
 +<code>
 +
 +[root@petaltail ~]# wwmkchroot centos-6 /var/chroots/centos-6
 +
 +[root@petaltail ~]# CHROOTDIR=/var/chroots/centos-6  wwinit ALL
 +database:     Checking /etc/rc.d/init.d/mysqld is installed                  OK
 +database:     Confirming mysqld is configured to start at boot:
 +database:      + chkconfig mysqld on                                         OK
 +database:     Checking to see if MySQL needs to be started:
 +database:      + service mysqld start                                        OK
 +wwsh:         Confirming that wwsh accepts some basic commands
 +wwsh:          + wwsh quit                                                   OK
 +wwsh:          + wwsh help                                                   OK
 +wwsh:          + wwsh node new testnode0000                                  OK
 +wwsh:          + wwsh node list                                              OK
 +wwsh:          + wwsh node delete testnode0000                               OK
 +domain:       Setting default node domain to: "cluster"                      OK
 +authfiles:    Checking to see if /etc/passwd is in the WW Datastore          OK
 +authfiles:    Checking if /etc/passwd is part of default node configuration
 +authfiles:    Checking to see if /etc/group is in the WW Datastore           OK
 +authfiles:    Checking if /etc/group is part of default node configuration
 +nfsd:         Setting domain "cluster" for IDMAPD/NFSv4                      OK
 +nfsd:          + chkconfig nfs on                                            OK
 +nfsd:          + service nfs restart                                         OK
 +nfsd:          + exportfs -a                                                 OK
 +ntpd:         Configured NTP services
 +ntpd:          + chkconfig ntpd on                                           OK
 +ntpd:          + service ntpd restart                                        OK
 +ssh_keys:     Checking ssh keys for root                                     OK
 +ssh_keys:     Checking root's ssh config                                     OK
 +ssh_keys:     Checking for default RSA1 host key for nodes                   OK
 +ssh_keys:     Checking for default RSA host key for nodes                    OK
 +ssh_keys:     Checking for default DSA host key for nodes                    OK
 +tftp:          + /sbin/chkconfig xinetd on                                   OK
 +tftp:          + /sbin/chkconfig tftp on                                     OK
 +tftp:          + /sbin/service xinetd restart                                OK
 +bootstrap:    Creating bootstrap for 2.6.32-504.8.1.el6.x86_64:
 +bootstrap:     + wwbootstrap 2.6.32-504.8.1.el6.x86_64                       OK
 +vnfs:         Building the VNFS image and importing into Warewulf:
 +vnfs:          + wwvnfs -y --hybridpath=/var/chroots/centos-6 --chroot /var/ OK
 +
 +
 +</code>
 +
 +Next restart MySQL, httpd and xinetd. Open your firewall on the private network.
 +
 +  * edit /etc/sysconfig/iptables and restart iptables
 +
 +<code>
 +
 +# local allow
 +-A INPUT -i eth0 -d 192.168.0.0/16 -p tcp --dport 0:65535 -j ACCEPT
 +-A INPUT -i eth0 -d 192.168.0.0/16 -p udp --dport 0:65535 -j ACCEPT
 +
 +</code>
 +
 +
 +
 +
  
 \\ \\
 **[[cluster:0|Back]]** **[[cluster:0|Back]]**
cluster/139.txt · Last modified: 2018/08/16 12:58 by hmeij07

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