[Beowulf] PXE boot with X7DWT-INF IB onboard card

Duke Nguyen duke.lists at gmx.com
Mon Nov 12 19:40:47 PST 2012


On 11/12/12 6:53 PM, Hearns, John wrote:
> Hi folks,
>
> We are still on the way of building our first small-cluster. Right now
> we have 16 diskless nodes 8GB RAM on X7DWT-INF and a master also on
>
>
> Also, if you are rolling your own cluster, learn how to configure the IPMI
> cards on the motherboards (referred to as BMCs also)
> You use IPMI/BMC cards to provide remote serial consoles via the head node,
> and to remotely power up/power down the nodes.
>
> You do NOT want to go down to the server room and plug in a monitor/keyboard to these systems
> Every time one goes down and you want to run some diagnostics on it, or figure out why it is not booting.
>
> Similarly you want to remotely control the power to the nodes, simply by ssh into the cluster head node
> and powering them up and down from the comfort of your swivel chair.

Thanks John. This is also new to me. I know that I can remotely access 
to nodes/servers (currently with ssh and nomachine), and that I can 
reboot these systems, but not to turn them on (power up?). More works 
for me now :).

D.



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