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I am trying to set up a part of our network as a linux cluster. Since its a little educational for me, I choose using MAAS with JuJu. However there are some questions that boggle my mind and I was hoping that someone could clarify that for me.

The linux cluster I'm about to set up consists of 10 machines. Half of it Dell and the other HP. Both types of machines have a lights-out module (HP=>iLO2, Dell=>DRAC) that support IPMI on a seperate 100Mb NIC. They both support PXE on the first onboard gigabit NIC. I configured the lights out module with a static IP matching the physical layout of the racks and position height. Installing MAAS however didn't ask me on what subnet and vlan the IPMI protocol should be configured. How do I do this?

Also I want only the region controller to be able to contact the internet for package management. The other provisioned nodes should only be allowed to connect to the internet via a proxy on the region controller. So the region controller in my case should be configured with 3 subnets; 1 for internet, 1 for client protocol connectivity and 1 for cluster traffic. The region controller itself should also be a node for JuJu.

Then at last there is the node configuration that should have a sort of basic layout that can be used within JuJu. As far as I could see there is no possibility to set up cluster subnet configuration. Each machine has at least 4 NIC's that I like to assign the different subnets to; 1 for the IPMI traffic, 1 for the PXE boot traffic, 1 for the cluster traffic and 1 for the storage/client network. What I like to do is to bond all these interfaces together as one big trunk and then use VLAN's to separate the traffic before provisioning. Then when provisioning a node, MAAS should automagically configure the network interfaces as the layout suggests above.

Maybe what I'm looking for is a advanced configuration tutorial/guide for MAAS and JuJu.

Regards, Joham

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@user229840 This is fascinating and I too will be looking forward to seeing the eventual answer. Is this helpful? linux.dell.com/files/whitepapers/… –  Elder Geek May 6 '14 at 14:19
    
@user229840 Could this be related to your problem? bugs.launchpad.net/juju-core/+bug/1246556 –  Elder Geek May 6 '14 at 14:40
    
@user229840 Just a suggestion but your question may be to specific. Maybe try to set up similar functionality with something more traditional (or ask how to do so on this website) and afterwards, when it works, try to ask how to do the same with MASS and JuJu? –  Cyprian Guerra May 23 '14 at 8:44
    
I forgot about this question. I have multiple responsibilities within the company I work for and one is doing the system administration for our servers. The other one is programming, and then I have to help the other employees as well... so... By now, I decided to leave the Ubuntu MAAS track and went for SmartOS. However, I'm still able to use juju on provisioned virtual machines. The document Elder Geek Provided is still great though so thanks :) –  user229480 7 hours ago
    
@cyprian: I'm not sure what you mean with to specific. PXE boot seems to me a logical solution for uploading a hypervisor image to the bare metal machine. But you need IPMI to start the machine up to begin with. Then ofcourse, one needs to configure the NIC cards within the hypervisor and preferably have a sort of configuration file floating around that you can use when reinstalling the same machine over PXE. –  user229480 7 hours ago

1 Answer 1

Maybe if you let install of Juju GUI to provide adequately more what type of network balancing you need then you could find your answer faster.

Using Juju with GUI

This advanced guides very close to your problem:
MAAS: Cluster Configuration
Additional Manual Configuration

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Its already some time ago, but thanks for your input anyway. I'm not sure why, but I can't recall reading the cluster configuration manual you provided here. Will look into it. –  user229480 7 hours ago

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