© Copyright IBM Corp. 2002. All rights reserved. 1
Chapter 1. IBM eServer Cluster 1600
This chapter contains a high-level overview of the IBM ^ Cluster 1600
and a quick guide to what is new in the Cluster 1600 at the time of this
publication.
The focus on this chapter is the Cluster 1600, the cluster components, and the
new features of the Cluster 1600. This chapter is primarily conceptual in nature.
This chapter discussed the following topics:
IBM eServer Cluster 1600 defined
Components of IBM eServer Cluster 1600
What’s new in Cluster 1600
PSSP 3.5: Should I upgrade
1
2 IBM ^ Cluster 1600 Managed by PSSP 3.5: What’s New
Figure 1-1 Example of an IBM eServer Cluster 1600 managed by PSSP
Figure 1-1 is a fairly elaborate example of a pSeries Cluster 1600. It consists of
an RS/6000 SP rack-mounted servers and several large SMP servers, including
the IBM ^ pSeries p690 Model 681 (p690). In this case, all the systems
are attached to a high-speed SP switch network. Also depicted are the Hardware
Management Console (HMC), used to control POWER4 hardware, and a central
management console. In this example, we are using PSSP as the cluster
management software. PSSP calls the central management console a control
workstation (CWS). The CWS is serially attached to most of the servers to
provide hardware control. The exception is the p690, where the console has an
Ethernet connection to the HMC, which in turn, uses a serial connection to
control the p690 hardware.
RS/6000 SP rack-mounted servers
pSeries 690
HMC
RS/6000 or pSeries
control workstation
running PSSP cluster
management
software
pSeries 680
pSeries 660
Trusted Administrative Ethernet
SP switch network
RS-232
RS-232
RS-232
IBM
IBM
RS-232
RS-232
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