This IBM Redbooks publication discusses techniques available for building a large farm of Linux servers running under zVM (a "penguin colony"). It has been developed for system administrators and I/T architects who are responsible for developing optimized solutions for large Linux systems installed on IBM eServer zSeries and S/390 machines.
The book is divided into three parts. We first discuss basic VM concepts and commands, and examine tools available on z/VM that can help you create and monitor a server farm.
We then cover networking features and options, and discuss network high availability issues and solutions. Finally, we demonstrate methods for optimizing virtual Linux server farms (including a novel approach to sharing Linux filesystems among members), and examine central LDAP management. The sample code we discuss is available online.
We also recommend when to use the z/VM IP stack as a router, when to use a virtual Linux IP router, and when to dedicate logical OSA ports to virtual Linux Servers. Linux cloning techniques are also covered.
Table of contents
Part 1 Running Linux under z/VM
Chapter 1 z/VM for beginners
Chapter 2 Directory Maintenance Facility for z/VM
Chapter 3 FCON/ESA for monitoring a penguin colony
Part 2 Networking for Linux on zSeries
Chapter 4 HiperSockets and z/VM Guest LAN
Chapter 5 TCP/IP direct connection
Chapter 6 TCP/IP routing
Chapter 7 Network high availability
Part 3 Creating and managing a penguin colony
Chapter 8 Shared Linux filesystems
Chapter 9 Building a basevol/guestvol penguin colony
Chapter 10 Centralized management using LDAP
Appendix A The Unit Record device driver and utility
Appendix B Installing Red Hat 7.1 with OCO modules
Appendix C Scripts and configuration files
Appendix D Additional material
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