Re: Sanity check of deploying Ceph very unconventionally (on top of RAID6, with very few nodes and OSDs)

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Hello,

On Sun, 22 Dec 2013 12:27:46 +0100 Gandalf Corvotempesta wrote:

> 2013/12/17 Christian Balzer <chibi@xxxxxxx>:
> > Network:
> > Infiniband QDR, 2x 18port switches (interconnected of course),
> > redundant paths everywhere, including to the clients (compute nodes).
> 
> Are you using IPoIB ? How do you interconnect both switches without
> making loops ? AFAIK, IB switches doesn't support STP. Will you
> interconnect IB switches with just one cable ?
> 
It is my understanding that OpenSM will deal with this (potential loops)
nicely. 
Also for redundancy, I don't really need any switch interconnection at
all, but I plan on using it anyway.

Regards,

Christian
-- 
Christian Balzer        Network/Systems Engineer                
chibi@xxxxxxx   	Global OnLine Japan/Fusion Communications
http://www.gol.com/
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