[Beowulf] IBM LCM16 capacity

Reuti reuti at staff.uni-marburg.de
Sun Sep 8 04:13:15 PDT 2013


Am 07.09.2013 um 19:55 schrieb John McCulloch:

> Can anyone relate experience with implementing the IBM LCM16 KVM switch in a tiered configuration?  We are spec’ing approximately 500 node x86 cluster.
>  
> Since you can daisy chain up to 16 servers per port, I would expect the supported maximum servers to be greater than 256 with two or three tiered LCM16 units.  Or does each port connect only one target system in a tiered configuration.
>  
> The specs state only up to 256 target systems are supported in a tiered configuration.

I don't use these devices, just two thoughts:

For their GCM they list different limits: http://www.redbooks.ibm.com/abstracts/tips0772.html

Do the machines you buy have onboard remote KVM which you could use instead of the LCM/GCM?

-- Reuti


> http://www.redbooks.ibm.com/abstracts/tips0788.html
>  
> Regards,
> John McCulloch
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