Chapter 1. Understanding the IBM Power Systems 775 Cluster 65
1.9.1 Integrated Switch Network Manager
The ISNM subsystem package is installed on the executive management server of a
high-performance computing cluster that consists of IBM Power 775 Supercomputers and
contains the network management commands. The local network management controller
runs on the server service processor as part of the system of the drawers and is shipped with
the Power 775.
Network management services
As shown in Figure 1-51 on page 66, the ISNM provides the following services:
ISR network configuration and installation:
–Topology validation
–Miswire detection
–Works with cluster configuration as defined in the cluster database
–Hardware global counter configu
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