CobblerTest - Revision history

Kamran: /* Define Systems */

2010-02-27T12:15:33Z

Define Systems

← Older revision		Revision as of 12:15, 27 February 2010
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	Now define/ add compute nodes. Remember, that my compute nodes have an IPMI capable interface, which have an out-of-band IP (separate network IP), than the access / production network. Right now I am only adding systems with the most basic information:		Now define/ add compute nodes. Remember, that my compute nodes have an IPMI capable interface, which have an out-of-band IP (separate network IP), than the access / production network. Right now I am only adding systems with the most basic information:

		+	<pre>
	[root@headnode ~]# cobbler system add --name=compute1 --profile=ComputeNodes --mac=00:1D:09:6A:27:91		[root@headnode ~]# cobbler system add --name=compute1 --profile=ComputeNodes --mac=00:1D:09:6A:27:91
	[root@headnode ~]# cobbler system add --name=compute2 --profile=ComputeNodes --mac=00:1D:09:6B:06:81		[root@headnode ~]# cobbler system add --name=compute2 --profile=ComputeNodes --mac=00:1D:09:6B:06:81
-		+	</pre>

2010-02-27T12:08:38Z

Day 3. Few other issues.

← Older revision		Revision as of 12:08, 27 February 2010
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	This time it worked. I have lovely results after the nodes are installed and rebooted!		This time it worked. I have lovely results after the nodes are installed and rebooted!

		+	<pre>
	[root@compute1 ~]# ifconfig		[root@compute1 ~]# ifconfig
	eth0 Link encap:Ethernet HWaddr 00:1D:09:6A:27:8F		eth0 Link encap:Ethernet HWaddr 00:1D:09:6A:27:8F
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	NETMASK=255.255.255.0		NETMASK=255.255.255.0
	[root@compute1 ~]#		[root@compute1 ~]#
-		+	</pre>

	Notice that Cobbler set BOOTPROTO=none for eth0.		Notice that Cobbler set BOOTPROTO=none for eth0.
-	~~</pre>~~	+

	However the node WILL NOT ping any other node on IPMI interface. This is only controllable/ do-able in one direction, from headnode towards compute node. Remember that the headnode's management interface HAS an out of band IP configured in the OS.		However the node WILL NOT ping any other node on IPMI interface. This is only controllable/ do-able in one direction, from headnode towards compute node. Remember that the headnode's management interface HAS an out of band IP configured in the OS.

2010-02-27T12:06:55Z

Day 4. Console redirection.

← Older revision		Revision as of 12:06, 27 February 2010
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	<pre>		<pre>
-	[root@headnode ~]# cobbler system edit --name compute1 --netboot-enabled=1	+	[root@headnode ~]# cobbler system edit --name=compute1 --netboot-enabled=1

	[root@headnode ~]# cobbler sync		[root@headnode ~]# cobbler sync

2010-02-27T12:05:34Z

Day 3. Few other issues.

← Older revision		Revision as of 12:05, 27 February 2010
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	<pre>		<pre>
-	[root@headnode ~]# cobbler system edit --name compute1 --interface=eth0 --static=1	+	[root@headnode ~]# cobbler system edit --name=compute1 --interface=eth0 --static=1

	[root@headnode ~]# cobbler report system --name=compute1		[root@headnode ~]# cobbler report system --name=compute1

2010-02-27T12:04:55Z

Day 3. Few other issues.

← Older revision		Revision as of 12:04, 27 February 2010
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	Simply add a --static=1 to either the cobbler system add command, or modify an already defined system with this setting.		Simply add a --static=1 to either the cobbler system add command, or modify an already defined system with this setting.
	<pre>		<pre>
-	[root@headnode ~]# cobbler system edit --name compute1 --interface=eth1 --static=1	+	[root@headnode ~]# cobbler system edit --name=compute1 --interface=eth1 --static=1
	</pre>		</pre>

2010-02-27T12:03:50Z

Cobbler install on Dell 1950 Servers

← Older revision		Revision as of 12:03, 27 February 2010
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	Help from:-		Help from:-

-	http://www.openskill.info/blog.php?ID=16	+	* http://www.openskill.info/blog.php?ID=16
-	http://magazine.redhat.com/2007/08/10/cobbler-how-to-set-up-a-network-boot-server-in-10-minutes/	+	* http://magazine.redhat.com/2007/08/10/cobbler-how-to-set-up-a-network-boot-server-in-10-minutes/
-	http://www.enterprisenetworkingplanet.com/netsysm/article.php/3773596	+	* http://www.enterprisenetworkingplanet.com/netsysm/article.php/3773596
-	http://www.kanarip.com/courses/Deploying_Linux_Using_Cobbler/	+	* http://www.kanarip.com/courses/Deploying_Linux_Using_Cobbler/

2010-02-12T18:04:59Z

Define Systems

← Older revision		Revision as of 18:04, 12 February 2010
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	Looks good. You can check report of the nodes now. I am only interested in few parameters.		Looks good. You can check report of the nodes now. I am only interested in few parameters.

		+	<pre>
	[root@headnode ~]# cobbler system report \| egrep -i "system\|profile\|power type\|interface\|mac"		[root@headnode ~]# cobbler system report \| egrep -i "system\|profile\|power type\|interface\|mac"
	system : compute1		system : compute1
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	mac address : 00:1D:09:6B:06:7F		mac address : 00:1D:09:6B:06:7F
	[root@headnode ~]#		[root@headnode ~]#
		+	</pre>

	I need to change the interface from eth0 to eth1, because my nodes are connected to access network through eth1. Whereas eth1 is the management / IPMI / BMC network.		I need to change the interface from eth0 to eth1, because my nodes are connected to access network through eth1. Whereas eth1 is the management / IPMI / BMC network.

2010-02-10T22:34:37Z

Cobbler install on Dell 1950 Servers

← Older revision		Revision as of 22:34, 10 February 2010
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	* reposync (yum-utils provides reposync)		* reposync (yum-utils provides reposync)

		+	<pre>
	yum -y install httpd yum-utils tftp-server xinetd dhcp		yum -y install httpd yum-utils tftp-server xinetd dhcp
		+	</pre>

	Make sure you are not running kernel-xen on your base OS. (Although it does not matter, but I just want to keep things simple). My scenario requires me not to run kernel-xen. (We are not using virtualization features. These are pure compute nodes.)		Make sure you are not running kernel-xen on your base OS. (Although it does not matter, but I just want to keep things simple). My scenario requires me not to run kernel-xen. (We are not using virtualization features. These are pure compute nodes.)

2010-02-10T22:25:46Z

2010-02-10T22:24:47Z

← Older revision		Revision as of 22:24, 10 February 2010
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	How to get rid of garbage on console when using 115200 baud rate?		How to get rid of garbage on console when using 115200 baud rate?

-	~~==========================================================~~
-
-	~~Day 2:~~
-
-	~~Cobbler howto-2~~
	=============		=============