by Hal Stern, Mike Eisler and Ricardo Labiaga
This book is of interest to system administrators and network managers who are installing or planning new NFS and NIS networks, or debugging and tuning existing networks and servers. It is also aimed at the network user who is interested in the mechanics that hold the network together.
We'll assume that you are familiar with the basics of Unix system administration and TCP/IP networking. Terms that are commonly misused or particular to a discussion will be defined as needed. Where appropriate, an explanation of a low-level phenomenon, such as Ethernet congestion will be provided if it is important to a more general discussion such as NFS performance on a congested network. Models for these phenomena will be drawn from everyday examples rather than their more rigorous mathematical and statistical roots.
This book focuses on the way NFS and NIS work, and how to use them to solve common problems in a distributed computing environment. Because Sun Microsystems developed and continues to innovate NFS and NIS, this book uses Sun's Solaris operating system as the frame of reference. Thus if you are administering NFS on non-Solaris systems, you should use this book in conjunction with your vendor's documentation, since utilities and their options will vary by implementation and release. This book explains what the configuration files and utilities do, and how their options affect performance and system administration issues. By walking through the steps comprising a complex operation or by detailing each step in the debugging process, we hope to shed light on techniques for effective management of distributed computing environments. There are very few absolute constraints or thresholds that are universally applicable, so we refrain from stating them. This book should help you to determine the fair utilization and performance constraints for your network.
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