Compaq ProLiant 1000 I/O Performance Tuning of Compaq Servers - Page 3

Executive Summary

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I/O Performance Tuning of Compaq Servers 3 Executive Summary In order to maximize your investment, it is crucial that you get the highest consistent performance from your server. As the demands placed on your server grow, the hardware performance and configuration efficiency must keep pace. However, poorly implemented expansion and upgrades, such as, unbalanced busses and memory bottlenecks, can seriously degrade performance. For example, simply adding or rearranging drives or adapters can, in some cases, increase the throughput of your entire disk system by as much as 96%. While not all servers will realize gains of this magnitude so easily, every server can be optimized to increase its functionality and longevity. Performance tuning may not only save money now, but may also prevent premature replacement of viable equipment. Since technology budgets are limited, it is important to get the most out of every investment, in terms of both performance and, especially, longevity. Less than optimal server configuration can shorten server life cycles as network demands outpaces server performance. In the meantime, your network clients will work less efficiently and become frustrated as they deal with a slower network. You can prevent the adverse effects of a slow network by making sure that your server is delivering maximum performance. Compaq performs extensive tests to determine the optimal configuration for different environments. The results of these tests can be invaluable tools in configuring and tuning your server. Many of the recommendations can be implemented immediately, some without any cost. All of these guidelines, however, prevent the maintenance and frustrations caused by poor server performance. By implementing the recommendations found in this paper, your server can immediately become more responsive. The amount of maintenance and total cost of ownership required by your server can also drop dramatically. In the long run, you will have earned a greater return on your investment from both your server and clients. ECG044.0399

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I/O Performance Tuning of Compaq Servers
3
ECG044.0399
Executive Summary
In order to maximize your investment, it is crucial that you get the highest consistent performance
from your server. As the demands placed on your server grow, the hardware performance and
configuration efficiency must keep pace. However, poorly implemented expansion and upgrades,
such as, unbalanced busses and memory bottlenecks, can seriously degrade performance. For
example, simply adding or rearranging drives or adapters can, in some cases, increase the
throughput of your entire disk system by as much as 96%. While not all servers will realize gains
of this magnitude so easily, every server can be optimized to increase its functionality and
longevity.
Performance tuning may not only save money now, but may also prevent premature replacement
of viable equipment. Since technology budgets are limited, it is important to get the most out of
every investment, in terms of both performance and, especially, longevity. Less than optimal
server configuration can shorten server life cycles as network demands outpaces server
performance. In the meantime, your network clients will work less efficiently and become
frustrated as they deal with a slower network.
You can prevent the adverse effects of a slow network by making sure that your server is
delivering maximum performance. Compaq performs extensive tests to determine the optimal
configuration for different environments. The results of these tests can be invaluable tools in
configuring and tuning your server. Many of the recommendations can be implemented
immediately, some without any cost. All of these guidelines, however, prevent the maintenance
and frustrations caused by poor server performance.
By implementing the recommendations found in this paper, your server can immediately become
more responsive. The amount of maintenance and total cost of ownership required by your server
can also drop dramatically. In the long run, you will have earned a greater return on your
investment from both your server and clients.