This book is intended for systems analysts, planners, installers, programmers, and administrators of SP systems who want to have the data on the disks shared by multiple nodes in the SP system. Use this book if you are considering using the IBM Virtual Shared Disk, Hashed Shared Disk, or Recoverable Virtual Shared Disk optional components of PSSP to help you manage the sharing of data on your disks.
You can use the information in this book to plan for, install, and use these shared disk components to manage the sharing of information on your disks and to write application programs that use virtual shared disks.
It assumes that you are, and it is particularly important that you be, experienced with and understand the AIX operating system, especially the Logical Volume Manager subsystem, as explained in the book IBM AIX Version 4 System Management Guide: Operating System and Devices or IBM AIX Version 4.3 System Management Guide: Operating System and Devices.
You need to be familiar with and might need the documentation for the following additional information: