[Beowulf] recommendation on crash cart for a cluster room: full cluster KVM is not an option I suppose?

Skylar Thompson skylar at cs.earlham.edu
Fri Oct 2 20:13:49 PDT 2009


Rahul Nabar wrote:
> On Wed, Sep 30, 2009 at 9:09 AM, Joe Landman
> <landman at scalableinformatics.com> wrote:
>   
>> Of course I could also talk about the SOL (serial over lan) which didn't
>>     
>
> THanks Joe! I've been reading about IPMI and also talking to my vendor
> about it. Sure, our machines also have IPMI support!
>
> Question: What's the difference between SOL and IPMI. Is one a subset
> of the other?
>   

SOL is provided by IPMI v1.5+, so it's a part of IPMI itself.

> Frankly, based on my past experience the only part of IPMI that I
> foresee being most useful to us is the console (keyboard + monitor)
> redirection. Right from the BIOS stage of the bootup cycle.  All the
> other IPMI capabilities are of course cool and nice but that is icing
> on the cake for me.
>   

In addition to the console, the other really useful feature of IPMI is
remote power cycling. That's useful when the console itself is totally
wedged.

-- 
-- Skylar Thompson (skylar at cs.earlham.edu)
-- http://www.cs.earlham.edu/~skylar/


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