Managing Systems and Workgroups: A Guide for HP-UX System Administrators

Setting Up and Administering an HP-UX NFS Diskless Cluster
What Is an NFS Diskless Cluster?
Chapter 10 901
private root A directory on the cluster server that serves as a client
system’s root directory (/). This directory contains all
the client’s private files and directories and mount
points for shared files and directories from a shared
root.
SAM establishes private roots in the
/export/private_roots directory in the form
/export/private_roots/ clientname .
The client has no access to files and directories above or
outside its root directory tree on the cluster server
unless they are mounted below its root directory.
shared root A directory tree on the cluster server that serves as a
source of operating system software and system files
for installation in clients’ private root directories.
SAM establishes shared roots in the
/export/shared_roots directory in the form
/export/shared_roots/ opsysid . On Series 700
servers, /export/shared_roots/OS_700 is
automatically created as a symbolic link to / and is
registered as a shared root.
Executables and other normally unchanging
directories and files are mounted read-only on
corresponding mount points in the client’s private
root file system. Copies of system configuration files
and other modifiable files and directories are copied
from the shared root and installed directly in the
corresponding locations in the client’s private root file
system.
system root The root directory (/) of the client or server’s file
system.