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Each p5-590 or p5-595 server can be connected to two HMCs for redundancy, if
desired. The p5-590 or p5-595 is connected to the HMC through Ethernet
connections.
One HMC is capable of controlling multiple Sserver p5 servers. The number of
servers each console can control varies by server size and complexity. For
details on the number of servers and LPARs supported, visit:
https://techsupport.services.ibm.com/server/hmc/
Note: It is not possible to connect POWER4 and POWER5 processor-based
systems to the same HMC simultaneously.
5.2.12 Cluster 1600 considerations
The p5-590 and p5-595 support the IBM eServer Cluster 1600 running Cluster
Systems Management V1.4 for AIX 5L Version 5.2, Version 5.3 (
SUSE LINUX Enterprise Server 9 (5765-G16).
5.3 Capacity planning considerations
Capacity planning is a predictive process to determine future computing
hardware resources required to support estimated changes in workload. The
increased workload on computing resources can be a result of growth in
business volumes or the introduction of new applications and functions to
enhance the current suite of applications.
The objective of the capacity planning process is to develop an estimate of the
system resource required to deliver performance objectives that meet a forecast
level of business activity at some specified date in the future. As a result of its
predictive nature, capacity planning can only be an approximation at best.
5.3.1 p5-590 and p5-595 general considerations
The p5-590 and p5-595 are at the leading-edge of technology, both in processor
power and speed, and in I/O capabilities. To get maximum performance for a
client's system, use the following general recommendations for capacity
planning:
Processor configuration
The processor configuration and sizing are critical. After the configuration and
sizing, the other components are relatively simple to determine.
Chapter 5. Configuration tools and rules
, and
5765-F67)
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