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The Dell cluster consists of 240 Dell C6100 nodes (12 cores, two sockets, Intel Xeon 2.93 GHz, 36GB RAM, QDR ConnectX2 Infiniband) which are linked into the pre-existing cluster ethernet network and infiniband fabric.
These nodes are:
and run a single operating system image, which at the time of installation is based on the Centos 5.7 distribution of Linux (which is a rebuild of RedHat Enterprise 5.7). Features of this OS distribution include:
These differences lead to methods of code development which are distinct from the rest of Tsessebe system as it currently operates.
However all the Dell nodes see the same
/opt/gridware NFS and
scratch Lustre filesystems as the older nodes.