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Chapter 5. Performance Tuning
To get the optimal performance from your NetWare server, you need to consider
the performance of both the hardware and the software. In this chapter, we
examine the general performance characteristics of file server hardware. We
also discuss several performance monitoring tools. We then discuss the
NetWare operating system and its relevant performance parameters.
5.1 Hardware Tuning
A server is comprised of several key subsystems which must be balanced in
order to optimize performance. Any one element which is undersized or
over-utilized can create a bottleneck and affect the entire system performance.
The key subsystems are:
•
Central Processing Unit (CPU)
•
System memory
•
I/O bus
•
Disk subsystem
•
LAN subsystem
•
Controlling software
Figure 139 depicts this interaction among the subsystems in a server.
Figure 139. LAN Server Controlled Subsystems
Overall system performance is a function of each individual subsystem and can
vary based on the application of the server. For example, file servers need fast
Copyright IBM Corp. 1995 167