[Lustre-discuss] Problems with lustre router setup IB <-> TCP

[Markus Kirsch]

Hello, 


I have a big problem finding an example how to setup a lustre-router. 

Maybe someone can direct me to the right direction.



Inside the server room we have a lustre storage system with 1 combined MDS/OSS node and 3 OSS nodes. 

Around 100 compute nodes connect to this lustre storage over IB. So right now all lnet communication is done 

over IB. We have to connect now a small number of workstations outside the server room to the lustre storage system. 

I would prefer to do this with a lustre router, instead of enabling communication for the whole system over IB and TCP.




##################################################
#                server room                     #   
# +---------+                                    #
# | MDS/OSS |                                    #
# +---------+                                    #
# |   OSS   |\                                   #                   +-------------+
# +---------+ \                                  #                   | workstation |
# |   OSS   |  \                                 #                  /+-------------+
# +---------+   \+-----------+      +--------+   #   +------------+/
# |   OSS   |    | IB-switch |--IB--| router |--TCP--| TCP-switch | 
# +---------+   /+-----------+      +--------+   #   +------------+\
#              /                                 #                  \+-------------+
# +---------+ /                                  #                   | workstation |
# | clients |/                                   #                   +-------------+
# +---------+                                    #
#                                                #
##################################################

Markus Kirsch
Consulting

ict ag - Aachen
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a Fujitsu Company
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Tel: +49 241 88949 156
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Mail: mak at ictag.net
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