HP-UX System Administrator's Guide: Overview HP-UX 11i v3 (B3921-90011, September 2010)

Storage and Data Redundancy........................................................................................................49
Establishing Multiple Paths to a Device (for redundancy)........................................................50
RAIDs and other Disk Arrays....................................................................................................50
Disk Mirroring............................................................................................................................50
Data Backups..............................................................................................................................51
Backup Utilities.....................................................................................................................51
How Storage is Addressed..............................................................................................................51
Device Special Files....................................................................................................................52
The Anatomy of a Device Special File..................................................................................53
Legacy versus Agile Device Addressing..............................................................................54
Device Special File Directories (and Name Formats)...........................................................55
Mass Storage Hardware Paths (three formats).....................................................................56
Commands Associated with Device Special Files................................................................58
For More Information on the Next Generation Mass Storage Stack....................................59
Superdome 2 Resource Paths.....................................................................................................59
Managing HP-UX Swap Space........................................................................................................59
Types of Swap Space..................................................................................................................60
Device Swap..........................................................................................................................60
File System Swap..................................................................................................................60
Pseudo Swap.........................................................................................................................60
Lazy Swap.............................................................................................................................61
Primary and Secondary Swap Space..........................................................................................61
Estimating Your Swap Space Needs..........................................................................................61
Enabling Swap Space.................................................................................................................62
Disabling Swap Space................................................................................................................62
Guidelines for Setting Up Swap Areas......................................................................................62
Device Swap Guidelines.......................................................................................................62
File System Swap Guidelines................................................................................................63
Guidelines for Assigning Swap Priority...............................................................................63
For More Information on Configuring and Managing Swap Space..........................................64
HP-UX Input and Output.....................................................................................................................64
Printing.................................................................................................................................................64
Overview of the HP-UX Line Printer Spooling System..................................................................64
Remote Spooling........................................................................................................................67
Network Printing.......................................................................................................................67
Printer Model Files and Interface Files............................................................................................67
Printer Types ...................................................................................................................................68
Printer Name...................................................................................................................................68
Printer Class.....................................................................................................................................68
Print Destination..............................................................................................................................69
Priorities of Printers and Print Requests ........................................................................................69
Printer Logging................................................................................................................................70
Summary of Line Printer Spooling System Commands.................................................................70
LP Spooler Integration with LDAP-UX...........................................................................................71
For More Information on Printer-Related Tasks ............................................................................71
Security and Access Control.................................................................................................................71
Controlling Access to Data Using Legacy Unix File Ownership and Privileges............................71
Controlling Access to Data Using Security Containment Technologies.........................................72
Technologies for Greater Access Control...................................................................................72
Further Information...................................................................................................................73
Start-up and Shutdown.........................................................................................................................73
Run Levels.......................................................................................................................................73
Startup and Kill Scripts (Run Level Transitions).......................................................................74
Commands for Manipulating System Run Levels.....................................................................76
Starting (Booting) HP-UX................................................................................................................77
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