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HP Cluster

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In November 2005, we received the last item of our initial setup for Grid'5000: A hundred node HP cluster. As of this date, we have 530 active processors in our server room. The reference description of the configuration of our hardware can be found on Rennes's page on the Grid'5000 website

HARDWARE
This cluster is made of three racks, with 33 nodes in each rack as well as a service node and a extra node for maintenance in one of the racks. Nodes are HP DL 145 G2 servers, with dual 2.0Ghz AMD 246 Opterons, 2GB Ram and a 80GB Sata harddrive. The cluster is online 24/7.

LAN
The nodes are connected with gigabit ethernet. Two racks are interconnected using Infiniband 10G.

WAN
This cluster is connected to Grid5000 with a 10 Gigabit connection provided by Renater .

SOFTWARE
The nodes run on Linux Ubuntu (testing). The cluster is used for interactive sessions (no batch scheduler). Load balancing is carried out using a shared calendar software developped in-house (GridPrems), that helps user to spread out on all available nodes. It can also be used throught OAR, the Grid'5000 reservation and batch scheduling system.

INSTALLATION